NAICS 33341N - Ventilation Equipment Manufacturing

*Equivalent to Federal Government NAICS 333411, 333412.

GENERAL STATISTICS
Year	Companies	Establishments		Employment			Compensation		Production ($ million)
		Total	with 20 or more employees	Total (000)	Production		Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
		Total	with 20 or more employees	Total (000)	Workers (000)	Hours (Mil)	Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
Sources: 1997 and 2002 Economic Census; other years, up to 2006, are from Annual Survey of Manufactures. Establishment counts for non-Census years are from County Business Patterns; 1997 and 2002 values are from the 1997 and 2002 censuses, respectively. ‘P's show projections by the editors.
1997	505	573	277	30.0	20.9	42.3	908.3	12.00	1,902.9	2,185.5	4,100.9	125.1
1998		589	276	30.8	22.5	43.9	940.4	12.70	1,910.4	2,283.1	4,203.8	143.8
1999		557	275	31.6	22.4	45.4	958.6	12.05	1,803.4	2,348.7	4,151.6	116.3
2000		549	284	30.9	22.3	44.1	993.6	13.10	1,942.8	2,284.1	4,214.3	125.8
2001		547	275	29.1	20.7	41.3	955.9	13.18	1,899.3	2,084.5	3,999.3	112.0
2002	456	537	281	28.8	19.4	40.6	948.2	12.89	1,883.5	2,258.4	4,155.1	100.2
2003		549	278	26.0	18.7	38.0	904.0	13.33	1,753.9	2,356.2	4,080.4	60.6
2004		531	269	24.8	17.6	36.1	860.2	13.40	1,852.8	2,044.8	3,877.0	75.8
2005		524	265	23.9	17.2	35.6	874.4	13.61	2,078.0	2,161.8	4,207.1	56.3
2006		518P	270P	24.8	17.9	37.2	908.0	13.85	2,248.2	2,379.9	4,597.9	69.7
2007		511P	269P	23.3P	16.6P	34.8P	884.1P	14.02P	2,080.4P	2,202.2P	4,254.6P	47.9P
2008		504P	268P	22.4P	16.0P	33.8P	876.6P	14.20P	2,088.9P	2,211.3P	4,272.1P	38.6P
2009		498P	267P	21.5P	15.4P	32.7P	869.1P	14.38P	2,097.4P	2,220.3P	4,289.5P	29.4P
2010		491P	266P	20.6P	14.8P	31.7P	861.6P	14.57P	2,105.9P	2,229.3P	4,307.0P	20.2P

INDICES OF CHANGE
Year	Companies	Establishments		Employment			Compensation		Production ($ million)
		Total	with 20 or more employees	Total (000)	Production		Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
		Total	with 20 or more employees	Total (000)	Workers (000)	Hours (Mil)	Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
Sources: Same as General Statistics. Values reflect change from the base year, 2002. Values above 100 mean greater than 2002, values below 100 mean less than 2002, and the values of 100 in other years means the same as 2002. ‘P's show projections by the editors
1997	111	107	99	104	108	104	96	93	101	97	99	125
1998		110	98	107	116	108	99	99	101	101	101	144
1999		104	98	110	115	112	101	93	96	104	100	116
2000		102	101	107	115	109	105	102	103	101	101	126
2001		102	98	101	107	102	101	102	101	92	96	112
2002	100	100	100	100	100	100	100	100	100	100	100	100
2003		102	99	90	96	94	95	103	93	104	98	60
2004		99	96	86	91	89	91	104	98	91	93	76
2005		98	94	83	89	88	92	106	110	96	101	56
2006		96P	96P	86	92	92	96	107	119	105	111	70
2007		95P	96P	81P	86P	86P	93P	109P	110P	98P	102P	48P
2008		94P	95P	78P	82P	83P	92P	110P	111P	98P	103P	39P
2009		93P	95P	75P	79P	81P	92P	112P	111P	98P	103P	29P
2010		91P	95P	72P	76P	78P	91P	113P	112P	99P	104P	20P

SELECTED RATIOS
For 2002	Avg. of All Manufact.	Analyzed Industry	Index	For 2002	Avg. of All Manufact.	Analyzed Industry	Index
Sources: Same as General Statistics. The ‘Average of All Manufacturing’ column represents the average of all manufacturing industries reported for the most recent complete year available. The Index shows the relationship between the Average and the Analyzed Industry. For example, 100 means that they are equal; 500 that the Analyzed Industry is five times the average; 50 means that the Analyzed Industry is half the national average. The abbreviation ‘na’ is used to show that data are ‘not available’. Ratios shown for 2002, the last complete census year
Employees per Establishment	42	54	128	Value Added per Production Worker	182,367	116,412	64
Payroll per Establishment	1,639,184	1,765,736	108	Cost per Establishment	5,769,015	3,507,449	61
Payroll per Employee	39,053	32,924	84	Cost per Employee	137,446	65,399	48
Production Workers per Establishment	30	36	122	Cost per Production Worker	195,506	97,088	50
Wages per Establishment	694,845	974,551	140	Shipments per Establishment	11,158,348	7,737,616	69
Wages per Production Worker	23,548	26,976	115	Shipments per Employee	265,847	144,274	54
Hours per Production Worker	1,980	2,093	106	Shipments per Production Worker	378,144	214,180	57
Wages per Hour	11.89	12.89	108	Investment per Establishment	361,338	186,592	52
Value Added per Establishment	5,381,325	4,205,587	78	Investment per Employee	8,609	3,479	40
Value Added per Employee	128,210	78,417	61	Investment per Production Worker	12,245	5,165	42

LEADING COMPANIES Number shown: 75 Total sales ($ mil): 27,771 Total employment (000): 111.5
Company Name	Address				CEO Name	Phone	Co. Type	Sales ($ mil)	Empl. (000)
Source: Ward's Business Directory of U.S. Private and Public Companies, Volumes 1 and 2, 2008. The company type code used is as follows: P - Public, R - Private, S - Subsidiary, D - Division, J - Joint Venture, A - Affiliate, G - Group. Sales are in millions of dollars, employees are in thousands. An asterisk (*) indicates an estimated sales volume. The symbol < stands for ‘less than’. Company names and addresses are truncated, in some cases, to fit into the available space.
Tosoh SMD Inc.	3600 Gantz Rd.	Grove City	OH	43123	Mark Gore	614-875-7912	R	3,680*	<0.1
Pall Corp.	2200 Northern Blvd.	East Hills	NY	11548	Eric Krasnoff	516-484-5400	P	2,250	10.8
NTK Holdings Inc.	50 Kennedy Plz.	Providence	RI	02903	Richard L. Bready	401-751-1600	S	2,218	9.8
AMETEK Inc.	PO Box 1764	Paoli	PA	19301	Frank S. Hermance	610-647-2121	P	2,137	10.4
Johns Manville Corp.	PO Box 5108	Denver	CO	80217	Steve Hochhauser	303-978-2000	S	2,125*	8.5
Donaldson Company Inc.	PO Box 1299	Minneapolis	MN	55440	William M. Cook	952-887-3131	P	1,919	12.0
Gardner Denver Inc.	PO Box 528	Quincy	IL	62306	Ross J. Centanni	217-222-5400	P	1,869	6.2
Babcock and Wilcox Co.	PO Box 351	Barberton	OH	44203	John A. Fees	330-753-4511	S	1,080*	10.8
Purolator Air Filtration	PO Box 32578	Louisville	KY	40232		502-969-2304	S	886*	6.7
Fleetguard Inc.	1200 Fleetguard Rd.	Cookeville	TN	38506	Rick Mills	931-526-9551	S	828*	6.0
Alpine Industries Inc.	310 T. Elmer Cox Dr	Greeneville	TN	37745	William Converse	423-638-7246	R	749*	1.0
Riley Power Inc.	PO Box 15040	Worcester	MA	01615		508-852-7100	R	612*	0.4
EBM-Papst Inc.	PO Box 4009	Farmington	CT	06034	Robert Sobolewski	860-674-1515	R	465*	0.4
Luwa Inc.	3901 Westpoint Blvd	Winston-Salem	NC	27103		336-760-3111	R	448*	0.1
Mestek Inc.	260 N Elm St.	Westfield	MA	01085	R. Bruce Dewey	413-568-9571	R	372*	2.6
Kaman Aerospace Corp.	PO Box 2	Bloomfield	CT	06002	Sal Bordanelero	860-242-4461	S	349*	1.4
Cme L.L.C.	2945 Three Leaves	Mount Pleasant	MI	48858		989-773-0377	R	317*	0.4
Continental Conveyor & Equip.	PO Box 400	Winfield	AL	35594		205-487-6492	R	286*	0.3
Kirk and Blum Manufacturing	3120 Forrer St.	Cincinnati	OH	45209	Richard J. Blum	513-458-2600	S	265*	0.4
Flanders Corp.	PO Box 7568	St. Petersburg	FL	33734	Robert R. Amerson	727-822-4411	P	245	2.8
CECO Environmental Corp.	3120 Forrer St.	Cincinnati	OH	45209	Phillip DeZwirek	513-458-2600	P	236	0.7
MFRI Inc.	7720 N Lehigh Ave.	Niles	IL	60714		847-966-1000	P	213	1.1
Baldwin Filters	PO Box 6010	Kearney	NE	68848	Sam Ferrise	308-234-1951	S	213*	1.1
Avox Systems Inc.	225 Erie Street	Lancaster	NY	14086		716-683-5100	S	201*	1.0
Hayward Industrial Products	PO Box 18	Elizabeth	NJ	07207	Oscar Davis	908-351-5400	R	200*	0.3
BHA Group Holdings Inc.	8800 E 63rd St.	Raytown	MO	64133	James E. Lund	816-356-8400	S	179	1.0
Precisionaire Inc.	PO Box 7568	St Petersburg	FL	33734	Robert R. Amerson		S	170*	<0.1
Venturedyne Ltd.	600 College Ave.	Pewaukee	WI	53072		262-691-9900	R	147*	1.3
Air Vent Inc.	4117 Pinnacle Pnt.	Dallas	TX	75211	Cliff Tucker	214-630-7377	S	141*	0.1
TBDN Tennessee Co.	PO Box 1887	Jackson	TN	38302	Tokuja Yamauchi	731-421-4800	S	126*	0.5
Sundyne Corp.	14845 W 64th Ave.	Arvada	CO	80007	Phil Ruffner	303-425-0800	S	118*	0.7
General Resource Corp.	5909 Baker Rd.	Minnetonka	MN	55345	Tim Masterman	952-933-7474	R	112*	0.2
Delfield Co.	980 S Isabella Rd.	Mt. Pleasant	MI	48858	Kevin Clark	989-773-7981	S	108*	0.7
Psp Industries Inc.	9885 Doerr Ln.	Schertz	TX	78154	Andrew Easton	210-651-9595	R	105*	<0.1
Besser Co.	801 Johnson St.	Alpena	MI	49707	Kevin Curtis	989-354-4111	R	99*	0.4
Parker Hannifin Racor Div.	PO Box 3208	Modesto	CA	95353		209-521-7860	S	98*	0.8
Nidec America Corp.	318 Industrial Ln.	Torrington	CT	06790	Thomas Keenan	860-482-4422	R	97*	0.1
Lau Industries Inc.	4509 Springfield St	Dayton	OH	45431	Tom Edwards	937-476-6500	S	95*	1.1
Met-Pro Corp.	PO Box 144	Harleysville	PA	19438	Raymond J. De Hont	215-723-6751	P	91	0.4
Environmental Air Systems Inc.	PO Box 13006	Greensboro	NC	27415	James Bullock	336-273-1975	R	87*	0.4
USUI International Corp.	1045 Reed Dr.	Monroe	OH	45050	Takanobu Ihara	513-539-4591	R	86*	0.1
TPI Corp.	PO Box 4973	Johnson City	TN	37602	Robert Henry	423-477-4131	R	84*	<0.1
Fuel-Tech Inc.	512 Kingsland Dr.	Batavia	IL	60510	Ralph E. Bailey	630-845-4500	P	80	0.2
Loren Cook Co.	PO Box 4047	Springfield	MO	65808	Gerald Cook	417-869-6474	R	75*	0.9
Lasko Products Inc.	820 Lincoln Ave.	West Chester	PA	19380	Oscar Lasko	610-692-7400	R	74*	0.2
Twin City Fan Co's Ltd.	5959 Trenton Ln. N	Minneapolis	MN	55442	Charles Barry	763-551-7600	R	72*	0.1
Buffalo Air Handling Co.	467 Zane Snead Dr.	Amherst	VA	24521	William Phelps	434-946-7455	S	68*	0.5
Peerless-Winsmith Inc.	172 Eaton St.	Springville	NY	14141	David McCann	716-592-9310	S	64*	0.8
Henry Technologies Inc.	1 ABC Pkwy.	Beloit	WI	53511	Charlie Graham	608-361-4400	R	62*	<0.1
Dantherm Filtration Inc.	PO Box 429	Thomasville	NC	27361	Niels Petersen	336-889-5599	R	59*	0.1
Acme Engineering & Mfg.	PO Box 978	Muskogee	OK	74402	Lee Buddrus	918-682-7791	R	59*	0.5
Robinson Industries Inc.	PO Box 100	Zelienople	PA	16063	H Gutzwiller	724-452-6121	R	57*	0.2
Aerotech Inc.	4215 Legion Dr.	Mason	MI	48854	Robert Mitchell	517-676-7070	S	56*	<0.1
Revcor Inc.	251 Edwards Ave.	Carpentersville	IL	60110	John Reichwein	847-428-4411	R	55*	0.3
Eclipse Inc.	1665 Elmwood Rd.	Rockford	IL	61103	Campbell Perks	815-877-3031	R	53*	<0.1
Super Vacuum Manufacturing Co.	PO Box 87	Loveland	CO	80539	Roger Weinmeister	970-667-5146	R	51*	0.1
Horton Fan Sysems Inc.	201 W Carmel Dr.	Carmel	IN	46032		317-249-4001	R	51*	0.1
Hilliard Corp.	PO Box 866	Elmira	NY	14902	N. Mooers Den Blin	607-733-7121	R	50*	0.4
BHA Technologies Inc.	8800 East 63rd St.	Kansas City	MO	64133	James E. Lund	816-356-5515	S	49*	<0.1
Metal-Fab Inc.	3025 May St.	Wichita	KS	67213	Kenneth Shannon	316-943-2351	R	45*	0.4
Filtertek Inc.	PO Box 310	Hebron	IL	60034	Stephen Soltwedel	815-648-2416	S	44*	0.9
Nor-Lake Inc.	727 2nd Street	Hudson	WI	54016	Charles Dullea	715-386-2323	R	43*	0.3
Altair Corp.	350 Barclay Blvd.	Lincolnshire	IL	60069	Garry Brainin	847-634-9540	R	43*	<0.1
Ecoquest Manufacturing Inc.	310 T Elmer Cox	Greeneville	TN	37743	Michael Jackson	423-798-6488	R	41*	0.2
Hurst Boiler and Welding Co.	PO Box 530	Coolidge	GA	31738	Clifton Hurst	229-346-3545	R	41*	0.3
Precipitator Services Group	1625 Broad St.	Elizabethton	TN	37643	Carl Nidiffer	423-543-7331	R	40*	0.3
Dynasteel Corp.	PO Box 27640	Memphis	TN	38167	James Russell	901-358-6231	R	40*	0.1
Loranger International Corp.	817 4th Ave.	Warren	PA	16365	Albert Loranger	814-723-2250	R	39*	0.1
Airtex Manufacturing Inc.	PO Box 650	De Soto	KS	66018	Richard Rambacher	913-583-3181	R	38*	0.2
Ellis and Watts International	4400 Glen Willow	Batavia	OH	45103	Andrew Pike	513-752-9000	R	38*	0.2
Warren Technology Inc.	PO Box 5347	Hialeah	FL	33014	Winfield Kelley	305-556-6933	R	38*	0.2
Wayne Wire Cloth Products Inc.	PO Box 550	Kalkaska	MI	49646	Michael Brown	231-258-9187	R	37*	0.2
Parker Hannifin Pneumatic Div.	8676 M 89	Richland	MI	49083		269-629-5000	S	36*	0.3
Semco Duct & Acoustical Prods	1800 E Pointe Dr.	Columbia	MO	65201		573-443-1481	R	35*	0.1
Microdyne Products Co.	PO Box 910	Ballwin	MO	63011	Lee Witengier	314-291-5600	R	34*	<0.1

MATERIALS CONSUMED FOR AIR PURIFICATION EQUIPMENT MANUFACTURING
Material	Quantity	Delivered Cost ($ million)
Source: 2002 Economic Census. Explanation of symbols used: (D): Withheld to avoid disclosure of competitive data; na: Not available; (S): Withheld because statistical norms were not met; (X): Not applicable; (Z): Less than half the unit shown; nec: Not elsewhere classified; nsk: Not specified by kind; - : zero; p : 10-19 percent estimated; q : 20-29 percent estimated
Metal bolts, nuts, screws, and other screw machine products	(X)	2.7
Metal pipe, valves, and pipe fittings (excluding forgings)	(X)	15.2
Other fabricated metal products (exc. fluid power products and forgings)	(X)	20.3
Fabricated structural metal products (excluding forgings)	(X)	30.9
Fluid power products	(X)	3.3
Iron and steel castings (rough and semifinished)	(X)	3.0
Nonferrous (aluminum, copper, etc.) castings (rough and semifinished)	(X)	1.4
Steel bars, bar shapes, and plates (exc. castings, forgings, fabr. metal products)	(X)	9.3
Steel sheet and strip (including tinplate)	(X)	37.0
All other steel shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	7.1
Other nonferrous shapes and forms (exc. castings, forgings, fabricated metal products)	(X)	6.1
Aluminum and aluminum-base alloy shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	8.3
Electric motors and generators	(X)	6.5
Ball and roller bearings (mounted or unmounted)	(X)	0.8
Flexible packaging materials, paperboard containers and boxes, and corrugated paperboard	(X)	12.9
All other materials, components, parts, containers, and supplies	(X)	483.4
Materials, ingredients, containers, and supplies, nsk	(X)	300.2

MATERIALS CONSUMED FOR INDUSTRIAL AND COMMERCIAL FAN AND BLOWER MANUFACTURING
Material	Quantity	Delivered Cost ($ million)
Source: 2002 Economic Census. Explanation of symbols used: (D): Withheld to avoid disclosure of competitive data; na: Not available; (S): Withheld because statistical norms were not met; (X): Not applicable; (Z): Less than half the unit shown; nec: Not elsewhere classified; nsk: Not specified by kind; - : zero; p : 10-19 percent estimated; q : 20-29 percent estimated
Metal bolts, nuts, screws, and other screw machine products	(X)	11.2
Metal pipe, valves, and pipe fittings (excluding forgings)	(X)	0.8
Other fabricated metal products (exc. fluid power products and forgings)	(X)	11.5
Fabricated structural metal products (excluding forgings)	(X)	47.6
Fluid power products	(X)	2.1
Forgings	(X)	5.5
Iron and steel castings (rough and semifinished)	(X)	17.1
Nonferrous (aluminum, copper, etc.) castings (rough and semifinished)	(X)	16.2
Steel bars, bar shapes, and plates (exc. castings, forgings, fabr. metal products)	(X)	16.3
Steel sheet and strip (including tinplate)	(X)	59.7
All other steel shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	7.6
Other nonferrous shapes and forms (exc. castings, forgings, fabricated metal products)	(X)	4.6
Aluminum and aluminum-base alloy shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	16.5
Electric motors and generators	(X)	103.8
Ball and roller bearings (mounted or unmounted)	(X)	14.9
Flexible packaging materials, paperboard containers and boxes, and corrugated paperboard	(X)	10.8
All other materials, components, parts, containers, and supplies	(X)	361.6
Materials, ingredients, containers, and supplies, nsk	(X)	13.2

PRODUCT SHARE DETAILS FOR AIR PURIFICATION EQUIPMENT MANUFACTURING
Product or Product Class Shipments	Mil. $	Product or Product Class Shipments	Mil. $
Source: 2002 Economic Census. The values are product shipments in millions of dollars for 2002. Total product shipments may be lower or higher than industry shipments. See Introduction for a full discussion. Values of indented subcategories are summed in the main heading(s). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. The abbreviation nsk stands for ‘not specified by kind’ and nec for ‘not elsewhere classified’. A dash (-) means zero
AIR PURIFICATION EQUIPMENT	2,149.2	CFM or less, except parts	707.7
Dust collection and other air purification equipment for industrial gas cleaning systems	721.7	Other dust collection and other air purification equipment, except parts	559.1
Dust collection and other air purification equipment for industrial gas cleaning systems (for cleaning outgoing air)	663.0	Air washers (purification equipment for cleaning incoming air), except parts	85.1
Dust collection and other air purification equipment for industrial gas cleaning systems (for cleaning outgoing air), except parts	594.3	Electrostatic precipitation dust collection and air purification equipment, except parts	99.5
Parts for industrial air purification equipment	68.7	Other dust collection and other air purification equipment (including air filters for air-conditioners and furnaces), except parts	374.4
Dust collection and other air purification equipment for industrial gas cleaning systems, nsk	58.7	Parts for dust collection and air purification equipment	59.4
Dust collection and other air purification equipment and parts for cleaning incoming air	1,375.5	Dust collection and other air purification equipment for cleaning incoming air, nsk	49.2
Air filters for air-conditioners and furnaces, etc., of 2400		Air purification equipment, nsk, total	52.1

PRODUCT SHARE DETAILS FOR INDUSTRIAL AND COMMERCIAL FAN AND BLOWER MANUFACTURING
Product or Product Class Shipments	Mil. $	Product or Product Class Shipments	Mil. $
Source: 2002 Economic Census. The values are product shipments in millions of dollars for 2002. Total product shipments may be lower or higher than industry shipments. See Introduction for a full discussion. Values of indented subcategories are summed in the main heading(s). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. The abbreviation nsk stands for ‘not specified by kind’ and nec for ‘not elsewhere classified’. A dash (-) means zero
INDUSTRIAL AND COMMERCIAL FANS AND BLOWERS	1,669.7	Positive displacement centrifugal blowers, excluding turboblowers	24.5
Power roof ventilators and parts	103.3	Multistage centrifugal blowers.	93.3
Axial and propeller type power roof ventilators, except parts	25.9	Industrial and commercial fans and blowers, and attic fans	354.6
Centrifugal type power roof ventilators, except parts	71.4	Axial fans, except parts	224.0
Parts for power roof ventilators	5.9	Axial fans directly connected to driver	164.5
Centrifugal blower-filter units, and classes I-IV centrifugal fans, except parts	507.7	Belt-driven axial fans	59.5
Centrifugal blower-filter units	315.5	Industrial propeller fans, except parts	58.8
Centrifugal classes I and II fans (more than 1 one-half in. to 6 three-fourth in. maximum total pressure)	106.5	Industrial propeller fans directly connected to driver	33.5
Centrifugal classes III and IV fans (more than 6 three- fourth in. maximum total pressure)	85.7	Industrial belt-driven propeller fans	25.3
Other centrifugal fans and blowers, except parts	653.5	Penthouses, shutters, guards, and other parts and accessories for industrial centrifugal, axial, and propeller fans and blowers (except power roof ventilators).	55.3
Industrial centrifugal fans, excluding blowers, turboblowers, and multistage blowers	181.1	Industrial and commercial fans and blowers, nsk, total	67.1

INPUTS AND OUTPUTS FOR AIR PURIFICATION AND VENTILATION EQUIPMENT
Economic Sector or Industry Providing Inputs	%	Sector	Economic Sector or Industry Buying Outputs	%	Sector
Compensation of employees	30.0		Private fixed investment	44.8
Management of companies & enterprises	5.9	Services	Exports of goods & services	9.0	Cap Inv
Wholesale trade	4.9	Trade	Commercial & health care structures	5.6	Construct.
Iron & steel mills & ferroalloys	4.5	Manufg.	Nonresidential structures, nec	5.2	Construct.
Motors & generators	3.8	Manufg.	Computer system design services	4.8	Services
Copper rolling, drawing, extruding, & alloying	3.5	Manufg.	AC, refrigeration, and warm air heating equipment	4.5	Manufg.
Nonwoven fabric mills	3.0	Manufg.	Waste management & remediation services	3.7	Services
Valve & fittings other than plumbing	2.5	Manufg.	Basic organic chemicals, nec	3.6	Manufg.
Air purification & ventilation equipment	1.8	Manufg.	Other S/L govt. enterprises	2.7	S/L Govt
Paints & coatings	1.8	Manufg.	Services to buildings & dwellings	1.7	Services
Metal cans, boxes, & other containers (light gauge)	1.2	Manufg.	Air purification & ventilation equipment	1.5	Manufg.
Plate work & fabricated structural products	1.1	Manufg.	Manufacturing structures	1.3	Construct.
Machine shops	1.1	Manufg.	Wholesale trade	1.3	Trade
Real estate	1.0	Fin/R.E.	Commercial & service industry machinery, nec	1.2	Manufg.
Truck transportation	0.9	Util.	Architectural, engineering, & related services	1.2	Services
Securities, commodity contracts, investments	0.8	Fin/R.E.	General S/L govt. services	1.0	S/L Govt
Cutting tools & machine tool accessories	0.8	Manufg.	Residential permanent site structures	0.8	Construct.
Alumina refining & primary aluminum production	0.8	Manufg.	Real estate	0.7	Fin/R.E.
AC, refrigeration, and warm air heating equipment	0.7	Manufg.	Plastics products, nec	0.6	Manufg.
Wiring devices	0.7	Manufg.	Plastics materials & resins	0.5	Manufg.
Advertising & related services	0.7	Services	Motor vehicle parts	0.5	Manufg.
Semiconductors & related devices	0.7	Manufg.	Scientific research & development services	0.5	Services
Power generation & supply	0.7	Util.	Chemical products & preparations, nec	0.4	Manufg.
Lessors of nonfinancial assets	0.6	Fin/R.E.	S/L govt. electric utilities	0.4	S/L Govt
Printed circuit assemblies (electronic assembiles)	0.6	Manufg.	Rail transportation	0.4	Util.
Plastics products, nec	0.6	Manufg.	Ferrous metal foundries	0.4	Manufg.
Ferrous metal foundries	0.5	Manufg.	Commercial & industrial equipment repair/maintenance	0.3	Services
Nonferrous metal foundries	0.5	Manufg.	Apparel knitting mills	0.3	Manufg.
Ball & roller bearings	0.5	Manufg.	Industrial gases	0.3	Manufg.
Gaskets, packing, & sealing devices	0.5	Manufg.	Elementary & secondary schools	0.2	Services
Electronic connectors	0.5	Manufg.	Warehousing & storage	0.2	Util.
Aluminum products from purchased aluminum	0.5	Manufg.	Scenic & sightseeing transport & related services	0.2	Util.
Turned products & screws, nuts, & bolts	0.5	Manufg.
Monetary authorities/depository credit intermediation	0.5	Fin/R.E.
Wood containers & pallets	0.5	Manufg.
Ornamental & architectural metal products	0.4	Manufg.
Professional, scientific, technical services, nec	0.4	Services
Relay & industrial controls	0.4	Manufg.
Data processing, hosting, & related services	0.3	Services
Telecommunications	0.3	Services
Legal services	0.3	Services
Scientific research & development services	0.3	Services
Taxes on production & imports, less subsidies	0.3
Warehousing & storage	0.3	Util.
Noncomparable imports	0.3	Foreign
Accounting, tax preparation, bookkeeping, & payroll	0.3	Services
Automotive equipment rental & leasing	0.3	Fin/R.E.
Coating, engraving, heat treating & allied activities	0.3	Manufg.
Plastics packaging materials, film & sheet	0.3	Manufg.
Rubber & plastics hose & belting	0.3	Manufg.
Abrasive products	0.2	Manufg.

INPUTS AND OUTPUTS FOR AIR PURIFICATION AND VENTILATION EQUIPMENT - Continued
Economic Sector or Industry Providing Inputs	%	Sector	Economic Sector or Industry Buying Outputs	%	Sector
Source: Benchmark Input-Output Accounts for the U.S. Economy, 2002, U.S. Department of Commerce, Washington, D.C., January 2008. The abbreviation nec stands for ‘not elsewhere classified’
Food services & drinking places	0.2	Services
Natural gas distribution	0.2	Util.
Forging, stamping, & sintering, nec	0.2	Manufg.
Communication & energy wires & cables	0.2	Manufg.
Primary nonferrous metal, ex. copper & aluminum	0.2	Manufg.
Industrial gases	0.2	Manufg.
Nonferrous metal (ex. copper & aluminum) processing	0.2	Manufg.
Services to buildings & dwellings	0.2	Services
Maintenance/repair of nonresidential structures	0.2	Construct.
Paperboard containers	0.2	Manufg.
Architectural, engineering, & related services	0.2	Services
Rubber products, nec	0.2	Manufg.
Other computer related services, including facilities	0.2	Services
Paper mills	0.2	Manufg.
Commercial & industrial machinery rental & leasing	0.1	Fin/R.E.
Hotels & motels, including casino hotels	0.1	Services
Unlaminated plastics profile shapes	0.1	Manufg.
Air transportation	0.1	Util.
Management, scientific, & technical consulting	0.1	Services
Paper bag & coated paper, nec	0.1	Manufg.
Fabricated metals, nec	0.1	Manufg.
Rail transportation	0.1	Util.
Automotive repair & maintenance, ex. car washes	0.1	Services
Custom roll forming	0.1	Manufg.
Paperboard mills	0.1	Manufg.

OCCUPATIONS EMPLOYED BY VENTILATION, HEATING, AC, & COMMERCIAL REFRIGERATION
Occupation	% of Total 2006	Change to 2016	Occupation	% of Total 2006	Change to 2016
Source: Industry-Occupation Matrix, Bureau of Labor Statistics, December 4, 2007. These data are reported based on 4-digit NAICS categories but have been matched to corresponding 6-digit NAICS industry codes. The change reported for each occupation to the year 2016 is a percent of growth or decline as estimated by the Bureau of Labor Statistics. The abbreviation nec stands for ‘not elsewhere classified’
Team assemblers	19.2	-8.0	Machinists	1.6	-3.4
Welders, cutters, solderers, & brazers	6.1	-2.1	Shipping, receiving, & traffic clerks	1.5	-11.5
Cutting, punching, & press machine operators	5.0	-17.2	Heating, AC, & refrigeration mechanics & installers	1.4	-8.0
Sheet metal workers	3.4	-9.8	Mechanical engineers	1.4	-8.0
First-line supervisors/managers of production workers	3.1	-8.0	Maintenance & repair workers, general	1.3	-8.0
Helpers--Production workers	2.9	-8.0	Sales reps, wholesale & manufacturing, exc tech	1.3	-8.0
Assemblers & fabricators, nec	2.7	-17.2	Welding, soldering, & brazing machine operators	1.3	3.4
Inspectors, testers, sorters, samplers, & weighers	2.3	-13.3	Electrical & electronic equipment assemblers	1.2	-26.4
Laborers & freight, stock, & material movers, hand	2.2	-17.2	Production, planning, & expediting clerks	1.1	-8.0
Industrial truck & tractor operators	2.1	-17.2	Coating, painting, & spraying machine operators	1.1	-12.6
Structural metal fabricators & fitters	2.0	-8.0	Customer service representatives	1.1	1.2
Multiple machine tool operators & tenders	1.9	1.2	General & operations managers	1.1	-17.2

INDUSTRY DATA BY STATE
State	Establishments	Shipments			Employment				Cost as % of Shipments	Investment per Employee ($)
State	Establishments	Total ($ mil)	% of U.S.	Per Establ.	Total Number	% of U.S.	Per Establ.	Wages ($/hour)	Cost as % of Shipments	Investment per Employee ($)
Source: 2002 Economic Census. The states are in descending order of shipments or establishments (if shipment data are missing for the majority). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. States marked with (D) are sorted by number of establishments. A dash (-) indicates that the data element cannot be calculated. Data may not show all states active in the NAICS category. All data available at the time of publication are shown
Illinois	39	325.3	7.8	8,340.5	2,389	8.3	61	14.46	44.1	2,864
Ohio	32	292.9	7.0	9,153.3	1,942	6.7	61	10.10	42.3	9,508
North Carolina	35	277.3	6.7	7,923.7	2,331	8.1	67	10.97	50.9	1,654
Wisconsin	18	270.7	6.5	15,040.8	1,484	5.2	82	16.78	39.2	1,253
Missouri	12	254.8	6.1	21,236.6	1,812	6.3	151	14.09	43.7	7,588
Texas	40	245.0	5.9	6,126.1	1,892	6.6	47	11.12	42.7	2,561
California	54	181.9	4.4	3,369.3	1,387	4.8	26	13.97	42.4	3,107
Michigan	27	145.1	3.5	5,374.4	947	3.3	35	14.28	52.1	1,668
Pennsylvania	19	95.1	2.3	5,007.4	519	1.8	27	14.05	41.7	1,746
Georgia	9	92.1	2.2	10,231.9	357	1.2	40	13.23	43.6	3,616
Kentucky	11	85.5	2.1	7,770.8	702	2.4	64	10.47	47.4	3,548
New York	17	84.9	2.0	4,993.1	642	2.2	38	17.51	36.5	992
Minnesota	16	62.5	1.5	3,903.8	450	1.6	28	14.27	42.9	1,622
Oregon	4	61.3	1.5	15,336.0	387	1.3	97	13.93	50.3	1,328
Massachusetts	7	50.4	1.2	7,197.4	334	1.2	48	13.06	43.7	2,769
Colorado	9	19.9	0.5	2,213.6	127	0.4	14	15.87	53.6	1,583
South Carolina	8	18.4	0.4	2,298.4	193	0.7	24	9.61	48.5	1,606
Alabama	6	17.1	0.4	2,852.8	181	0.6	30	11.19	48.1	939
Nevada	5	14.0	0.3	2,797.4	127	0.4	25	10.21	37.7	858

NAICS 33341N - Ventilation Equipment Manufacturing

*Equivalent to Federal Government NAICS 333411, 333412.

GENERAL STATISTICS
Year	Companies	Establishments		Employment			Compensation		Production ($ million)
		Total	with 20 or more employees	Total (000)	Production		Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
		Total	with 20 or more employees	Total (000)	Workers (000)	Hours (Mil)	Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
Sources: 1997 and 2002 Economic Census; other years, up to 2006, are from Annual Survey of Manufactures. Establishment counts for non-Census years are from County Business Patterns; 1997 and 2002 values are from the 1997 and 2002 censuses, respectively. ‘P's show projections by the editors.
1997	505	573	277	30.0	20.9	42.3	908.3	12.00	1,902.9	2,185.5	4,100.9	125.1
1998		589	276	30.8	22.5	43.9	940.4	12.70	1,910.4	2,283.1	4,203.8	143.8
1999		557	275	31.6	22.4	45.4	958.6	12.05	1,803.4	2,348.7	4,151.6	116.3
2000		549	284	30.9	22.3	44.1	993.6	13.10	1,942.8	2,284.1	4,214.3	125.8
2001		547	275	29.1	20.7	41.3	955.9	13.18	1,899.3	2,084.5	3,999.3	112.0
2002	456	537	281	28.8	19.4	40.6	948.2	12.89	1,883.5	2,258.4	4,155.1	100.2
2003		549	278	26.0	18.7	38.0	904.0	13.33	1,753.9	2,356.2	4,080.4	60.6
2004		531	269	24.8	17.6	36.1	860.2	13.40	1,852.8	2,044.8	3,877.0	75.8
2005		524	265	23.9	17.2	35.6	874.4	13.61	2,078.0	2,161.8	4,207.1	56.3
2006		518P	270P	24.8	17.9	37.2	908.0	13.85	2,248.2	2,379.9	4,597.9	69.7
2007		511P	269P	23.3P	16.6P	34.8P	884.1P	14.02P	2,080.4P	2,202.2P	4,254.6P	47.9P
2008		504P	268P	22.4P	16.0P	33.8P	876.6P	14.20P	2,088.9P	2,211.3P	4,272.1P	38.6P
2009		498P	267P	21.5P	15.4P	32.7P	869.1P	14.38P	2,097.4P	2,220.3P	4,289.5P	29.4P
2010		491P	266P	20.6P	14.8P	31.7P	861.6P	14.57P	2,105.9P	2,229.3P	4,307.0P	20.2P

INDICES OF CHANGE
Year	Companies	Establishments		Employment			Compensation		Production ($ million)
		Total	with 20 or more employees	Total (000)	Production		Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
		Total	with 20 or more employees	Total (000)	Workers (000)	Hours (Mil)	Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
Sources: Same as General Statistics. Values reflect change from the base year, 2002. Values above 100 mean greater than 2002, values below 100 mean less than 2002, and the values of 100 in other years means the same as 2002. ‘P's show projections by the editors
1997	111	107	99	104	108	104	96	93	101	97	99	125
1998		110	98	107	116	108	99	99	101	101	101	144
1999		104	98	110	115	112	101	93	96	104	100	116
2000		102	101	107	115	109	105	102	103	101	101	126
2001		102	98	101	107	102	101	102	101	92	96	112
2002	100	100	100	100	100	100	100	100	100	100	100	100
2003		102	99	90	96	94	95	103	93	104	98	60
2004		99	96	86	91	89	91	104	98	91	93	76
2005		98	94	83	89	88	92	106	110	96	101	56
2006		96P	96P	86	92	92	96	107	119	105	111	70
2007		95P	96P	81P	86P	86P	93P	109P	110P	98P	102P	48P
2008		94P	95P	78P	82P	83P	92P	110P	111P	98P	103P	39P
2009		93P	95P	75P	79P	81P	92P	112P	111P	98P	103P	29P
2010		91P	95P	72P	76P	78P	91P	113P	112P	99P	104P	20P

SELECTED RATIOS
For 2002	Avg. of All Manufact.	Analyzed Industry	Index	For 2002	Avg. of All Manufact.	Analyzed Industry	Index
Sources: Same as General Statistics. The ‘Average of All Manufacturing’ column represents the average of all manufacturing industries reported for the most recent complete year available. The Index shows the relationship between the Average and the Analyzed Industry. For example, 100 means that they are equal; 500 that the Analyzed Industry is five times the average; 50 means that the Analyzed Industry is half the national average. The abbreviation ‘na’ is used to show that data are ‘not available’. Ratios shown for 2002, the last complete census year
Employees per Establishment	42	54	128	Value Added per Production Worker	182,367	116,412	64
Payroll per Establishment	1,639,184	1,765,736	108	Cost per Establishment	5,769,015	3,507,449	61
Payroll per Employee	39,053	32,924	84	Cost per Employee	137,446	65,399	48
Production Workers per Establishment	30	36	122	Cost per Production Worker	195,506	97,088	50
Wages per Establishment	694,845	974,551	140	Shipments per Establishment	11,158,348	7,737,616	69
Wages per Production Worker	23,548	26,976	115	Shipments per Employee	265,847	144,274	54
Hours per Production Worker	1,980	2,093	106	Shipments per Production Worker	378,144	214,180	57
Wages per Hour	11.89	12.89	108	Investment per Establishment	361,338	186,592	52
Value Added per Establishment	5,381,325	4,205,587	78	Investment per Employee	8,609	3,479	40
Value Added per Employee	128,210	78,417	61	Investment per Production Worker	12,245	5,165	42

LEADING COMPANIES Number shown: 75 Total sales ($ mil): 27,771 Total employment (000): 111.5
Company Name	Address				CEO Name	Phone	Co. Type	Sales ($ mil)	Empl. (000)
Source: Ward's Business Directory of U.S. Private and Public Companies, Volumes 1 and 2, 2008. The company type code used is as follows: P - Public, R - Private, S - Subsidiary, D - Division, J - Joint Venture, A - Affiliate, G - Group. Sales are in millions of dollars, employees are in thousands. An asterisk (*) indicates an estimated sales volume. The symbol < stands for ‘less than’. Company names and addresses are truncated, in some cases, to fit into the available space.
Tosoh SMD Inc.	3600 Gantz Rd.	Grove City	OH	43123	Mark Gore	614-875-7912	R	3,680*	<0.1
Pall Corp.	2200 Northern Blvd.	East Hills	NY	11548	Eric Krasnoff	516-484-5400	P	2,250	10.8
NTK Holdings Inc.	50 Kennedy Plz.	Providence	RI	02903	Richard L. Bready	401-751-1600	S	2,218	9.8
AMETEK Inc.	PO Box 1764	Paoli	PA	19301	Frank S. Hermance	610-647-2121	P	2,137	10.4
Johns Manville Corp.	PO Box 5108	Denver	CO	80217	Steve Hochhauser	303-978-2000	S	2,125*	8.5
Donaldson Company Inc.	PO Box 1299	Minneapolis	MN	55440	William M. Cook	952-887-3131	P	1,919	12.0
Gardner Denver Inc.	PO Box 528	Quincy	IL	62306	Ross J. Centanni	217-222-5400	P	1,869	6.2
Babcock and Wilcox Co.	PO Box 351	Barberton	OH	44203	John A. Fees	330-753-4511	S	1,080*	10.8
Purolator Air Filtration	PO Box 32578	Louisville	KY	40232		502-969-2304	S	886*	6.7
Fleetguard Inc.	1200 Fleetguard Rd.	Cookeville	TN	38506	Rick Mills	931-526-9551	S	828*	6.0
Alpine Industries Inc.	310 T. Elmer Cox Dr	Greeneville	TN	37745	William Converse	423-638-7246	R	749*	1.0
Riley Power Inc.	PO Box 15040	Worcester	MA	01615		508-852-7100	R	612*	0.4
EBM-Papst Inc.	PO Box 4009	Farmington	CT	06034	Robert Sobolewski	860-674-1515	R	465*	0.4
Luwa Inc.	3901 Westpoint Blvd	Winston-Salem	NC	27103		336-760-3111	R	448*	0.1
Mestek Inc.	260 N Elm St.	Westfield	MA	01085	R. Bruce Dewey	413-568-9571	R	372*	2.6
Kaman Aerospace Corp.	PO Box 2	Bloomfield	CT	06002	Sal Bordanelero	860-242-4461	S	349*	1.4
Cme L.L.C.	2945 Three Leaves	Mount Pleasant	MI	48858		989-773-0377	R	317*	0.4
Continental Conveyor & Equip.	PO Box 400	Winfield	AL	35594		205-487-6492	R	286*	0.3
Kirk and Blum Manufacturing	3120 Forrer St.	Cincinnati	OH	45209	Richard J. Blum	513-458-2600	S	265*	0.4
Flanders Corp.	PO Box 7568	St. Petersburg	FL	33734	Robert R. Amerson	727-822-4411	P	245	2.8
CECO Environmental Corp.	3120 Forrer St.	Cincinnati	OH	45209	Phillip DeZwirek	513-458-2600	P	236	0.7
MFRI Inc.	7720 N Lehigh Ave.	Niles	IL	60714		847-966-1000	P	213	1.1
Baldwin Filters	PO Box 6010	Kearney	NE	68848	Sam Ferrise	308-234-1951	S	213*	1.1
Avox Systems Inc.	225 Erie Street	Lancaster	NY	14086		716-683-5100	S	201*	1.0
Hayward Industrial Products	PO Box 18	Elizabeth	NJ	07207	Oscar Davis	908-351-5400	R	200*	0.3
BHA Group Holdings Inc.	8800 E 63rd St.	Raytown	MO	64133	James E. Lund	816-356-8400	S	179	1.0
Precisionaire Inc.	PO Box 7568	St Petersburg	FL	33734	Robert R. Amerson		S	170*	<0.1
Venturedyne Ltd.	600 College Ave.	Pewaukee	WI	53072		262-691-9900	R	147*	1.3
Air Vent Inc.	4117 Pinnacle Pnt.	Dallas	TX	75211	Cliff Tucker	214-630-7377	S	141*	0.1
TBDN Tennessee Co.	PO Box 1887	Jackson	TN	38302	Tokuja Yamauchi	731-421-4800	S	126*	0.5
Sundyne Corp.	14845 W 64th Ave.	Arvada	CO	80007	Phil Ruffner	303-425-0800	S	118*	0.7
General Resource Corp.	5909 Baker Rd.	Minnetonka	MN	55345	Tim Masterman	952-933-7474	R	112*	0.2
Delfield Co.	980 S Isabella Rd.	Mt. Pleasant	MI	48858	Kevin Clark	989-773-7981	S	108*	0.7
Psp Industries Inc.	9885 Doerr Ln.	Schertz	TX	78154	Andrew Easton	210-651-9595	R	105*	<0.1
Besser Co.	801 Johnson St.	Alpena	MI	49707	Kevin Curtis	989-354-4111	R	99*	0.4
Parker Hannifin Racor Div.	PO Box 3208	Modesto	CA	95353		209-521-7860	S	98*	0.8
Nidec America Corp.	318 Industrial Ln.	Torrington	CT	06790	Thomas Keenan	860-482-4422	R	97*	0.1
Lau Industries Inc.	4509 Springfield St	Dayton	OH	45431	Tom Edwards	937-476-6500	S	95*	1.1
Met-Pro Corp.	PO Box 144	Harleysville	PA	19438	Raymond J. De Hont	215-723-6751	P	91	0.4
Environmental Air Systems Inc.	PO Box 13006	Greensboro	NC	27415	James Bullock	336-273-1975	R	87*	0.4
USUI International Corp.	1045 Reed Dr.	Monroe	OH	45050	Takanobu Ihara	513-539-4591	R	86*	0.1
TPI Corp.	PO Box 4973	Johnson City	TN	37602	Robert Henry	423-477-4131	R	84*	<0.1
Fuel-Tech Inc.	512 Kingsland Dr.	Batavia	IL	60510	Ralph E. Bailey	630-845-4500	P	80	0.2
Loren Cook Co.	PO Box 4047	Springfield	MO	65808	Gerald Cook	417-869-6474	R	75*	0.9
Lasko Products Inc.	820 Lincoln Ave.	West Chester	PA	19380	Oscar Lasko	610-692-7400	R	74*	0.2
Twin City Fan Co's Ltd.	5959 Trenton Ln. N	Minneapolis	MN	55442	Charles Barry	763-551-7600	R	72*	0.1
Buffalo Air Handling Co.	467 Zane Snead Dr.	Amherst	VA	24521	William Phelps	434-946-7455	S	68*	0.5
Peerless-Winsmith Inc.	172 Eaton St.	Springville	NY	14141	David McCann	716-592-9310	S	64*	0.8
Henry Technologies Inc.	1 ABC Pkwy.	Beloit	WI	53511	Charlie Graham	608-361-4400	R	62*	<0.1
Dantherm Filtration Inc.	PO Box 429	Thomasville	NC	27361	Niels Petersen	336-889-5599	R	59*	0.1
Acme Engineering & Mfg.	PO Box 978	Muskogee	OK	74402	Lee Buddrus	918-682-7791	R	59*	0.5
Robinson Industries Inc.	PO Box 100	Zelienople	PA	16063	H Gutzwiller	724-452-6121	R	57*	0.2
Aerotech Inc.	4215 Legion Dr.	Mason	MI	48854	Robert Mitchell	517-676-7070	S	56*	<0.1
Revcor Inc.	251 Edwards Ave.	Carpentersville	IL	60110	John Reichwein	847-428-4411	R	55*	0.3
Eclipse Inc.	1665 Elmwood Rd.	Rockford	IL	61103	Campbell Perks	815-877-3031	R	53*	<0.1
Super Vacuum Manufacturing Co.	PO Box 87	Loveland	CO	80539	Roger Weinmeister	970-667-5146	R	51*	0.1
Horton Fan Sysems Inc.	201 W Carmel Dr.	Carmel	IN	46032		317-249-4001	R	51*	0.1
Hilliard Corp.	PO Box 866	Elmira	NY	14902	N. Mooers Den Blin	607-733-7121	R	50*	0.4
BHA Technologies Inc.	8800 East 63rd St.	Kansas City	MO	64133	James E. Lund	816-356-5515	S	49*	<0.1
Metal-Fab Inc.	3025 May St.	Wichita	KS	67213	Kenneth Shannon	316-943-2351	R	45*	0.4
Filtertek Inc.	PO Box 310	Hebron	IL	60034	Stephen Soltwedel	815-648-2416	S	44*	0.9
Nor-Lake Inc.	727 2nd Street	Hudson	WI	54016	Charles Dullea	715-386-2323	R	43*	0.3
Altair Corp.	350 Barclay Blvd.	Lincolnshire	IL	60069	Garry Brainin	847-634-9540	R	43*	<0.1
Ecoquest Manufacturing Inc.	310 T Elmer Cox	Greeneville	TN	37743	Michael Jackson	423-798-6488	R	41*	0.2
Hurst Boiler and Welding Co.	PO Box 530	Coolidge	GA	31738	Clifton Hurst	229-346-3545	R	41*	0.3
Precipitator Services Group	1625 Broad St.	Elizabethton	TN	37643	Carl Nidiffer	423-543-7331	R	40*	0.3
Dynasteel Corp.	PO Box 27640	Memphis	TN	38167	James Russell	901-358-6231	R	40*	0.1
Loranger International Corp.	817 4th Ave.	Warren	PA	16365	Albert Loranger	814-723-2250	R	39*	0.1
Airtex Manufacturing Inc.	PO Box 650	De Soto	KS	66018	Richard Rambacher	913-583-3181	R	38*	0.2
Ellis and Watts International	4400 Glen Willow	Batavia	OH	45103	Andrew Pike	513-752-9000	R	38*	0.2
Warren Technology Inc.	PO Box 5347	Hialeah	FL	33014	Winfield Kelley	305-556-6933	R	38*	0.2
Wayne Wire Cloth Products Inc.	PO Box 550	Kalkaska	MI	49646	Michael Brown	231-258-9187	R	37*	0.2
Parker Hannifin Pneumatic Div.	8676 M 89	Richland	MI	49083		269-629-5000	S	36*	0.3
Semco Duct & Acoustical Prods	1800 E Pointe Dr.	Columbia	MO	65201		573-443-1481	R	35*	0.1
Microdyne Products Co.	PO Box 910	Ballwin	MO	63011	Lee Witengier	314-291-5600	R	34*	<0.1

MATERIALS CONSUMED FOR AIR PURIFICATION EQUIPMENT MANUFACTURING
Material	Quantity	Delivered Cost ($ million)
Source: 2002 Economic Census. Explanation of symbols used: (D): Withheld to avoid disclosure of competitive data; na: Not available; (S): Withheld because statistical norms were not met; (X): Not applicable; (Z): Less than half the unit shown; nec: Not elsewhere classified; nsk: Not specified by kind; - : zero; p : 10-19 percent estimated; q : 20-29 percent estimated
Metal bolts, nuts, screws, and other screw machine products	(X)	2.7
Metal pipe, valves, and pipe fittings (excluding forgings)	(X)	15.2
Other fabricated metal products (exc. fluid power products and forgings)	(X)	20.3
Fabricated structural metal products (excluding forgings)	(X)	30.9
Fluid power products	(X)	3.3
Iron and steel castings (rough and semifinished)	(X)	3.0
Nonferrous (aluminum, copper, etc.) castings (rough and semifinished)	(X)	1.4
Steel bars, bar shapes, and plates (exc. castings, forgings, fabr. metal products)	(X)	9.3
Steel sheet and strip (including tinplate)	(X)	37.0
All other steel shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	7.1
Other nonferrous shapes and forms (exc. castings, forgings, fabricated metal products)	(X)	6.1
Aluminum and aluminum-base alloy shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	8.3
Electric motors and generators	(X)	6.5
Ball and roller bearings (mounted or unmounted)	(X)	0.8
Flexible packaging materials, paperboard containers and boxes, and corrugated paperboard	(X)	12.9
All other materials, components, parts, containers, and supplies	(X)	483.4
Materials, ingredients, containers, and supplies, nsk	(X)	300.2

MATERIALS CONSUMED FOR INDUSTRIAL AND COMMERCIAL FAN AND BLOWER MANUFACTURING
Material	Quantity	Delivered Cost ($ million)
Source: 2002 Economic Census. Explanation of symbols used: (D): Withheld to avoid disclosure of competitive data; na: Not available; (S): Withheld because statistical norms were not met; (X): Not applicable; (Z): Less than half the unit shown; nec: Not elsewhere classified; nsk: Not specified by kind; - : zero; p : 10-19 percent estimated; q : 20-29 percent estimated
Metal bolts, nuts, screws, and other screw machine products	(X)	11.2
Metal pipe, valves, and pipe fittings (excluding forgings)	(X)	0.8
Other fabricated metal products (exc. fluid power products and forgings)	(X)	11.5
Fabricated structural metal products (excluding forgings)	(X)	47.6
Fluid power products	(X)	2.1
Forgings	(X)	5.5
Iron and steel castings (rough and semifinished)	(X)	17.1
Nonferrous (aluminum, copper, etc.) castings (rough and semifinished)	(X)	16.2
Steel bars, bar shapes, and plates (exc. castings, forgings, fabr. metal products)	(X)	16.3
Steel sheet and strip (including tinplate)	(X)	59.7
All other steel shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	7.6
Other nonferrous shapes and forms (exc. castings, forgings, fabricated metal products)	(X)	4.6
Aluminum and aluminum-base alloy shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	16.5
Electric motors and generators	(X)	103.8
Ball and roller bearings (mounted or unmounted)	(X)	14.9
Flexible packaging materials, paperboard containers and boxes, and corrugated paperboard	(X)	10.8
All other materials, components, parts, containers, and supplies	(X)	361.6
Materials, ingredients, containers, and supplies, nsk	(X)	13.2

PRODUCT SHARE DETAILS FOR AIR PURIFICATION EQUIPMENT MANUFACTURING
Product or Product Class Shipments	Mil. $	Product or Product Class Shipments	Mil. $
Source: 2002 Economic Census. The values are product shipments in millions of dollars for 2002. Total product shipments may be lower or higher than industry shipments. See Introduction for a full discussion. Values of indented subcategories are summed in the main heading(s). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. The abbreviation nsk stands for ‘not specified by kind’ and nec for ‘not elsewhere classified’. A dash (-) means zero
AIR PURIFICATION EQUIPMENT	2,149.2	CFM or less, except parts	707.7
Dust collection and other air purification equipment for industrial gas cleaning systems	721.7	Other dust collection and other air purification equipment, except parts	559.1
Dust collection and other air purification equipment for industrial gas cleaning systems (for cleaning outgoing air)	663.0	Air washers (purification equipment for cleaning incoming air), except parts	85.1
Dust collection and other air purification equipment for industrial gas cleaning systems (for cleaning outgoing air), except parts	594.3	Electrostatic precipitation dust collection and air purification equipment, except parts	99.5
Parts for industrial air purification equipment	68.7	Other dust collection and other air purification equipment (including air filters for air-conditioners and furnaces), except parts	374.4
Dust collection and other air purification equipment for industrial gas cleaning systems, nsk	58.7	Parts for dust collection and air purification equipment	59.4
Dust collection and other air purification equipment and parts for cleaning incoming air	1,375.5	Dust collection and other air purification equipment for cleaning incoming air, nsk	49.2
Air filters for air-conditioners and furnaces, etc., of 2400		Air purification equipment, nsk, total	52.1

PRODUCT SHARE DETAILS FOR INDUSTRIAL AND COMMERCIAL FAN AND BLOWER MANUFACTURING
Product or Product Class Shipments	Mil. $	Product or Product Class Shipments	Mil. $
Source: 2002 Economic Census. The values are product shipments in millions of dollars for 2002. Total product shipments may be lower or higher than industry shipments. See Introduction for a full discussion. Values of indented subcategories are summed in the main heading(s). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. The abbreviation nsk stands for ‘not specified by kind’ and nec for ‘not elsewhere classified’. A dash (-) means zero
INDUSTRIAL AND COMMERCIAL FANS AND BLOWERS	1,669.7	Positive displacement centrifugal blowers, excluding turboblowers	24.5
Power roof ventilators and parts	103.3	Multistage centrifugal blowers.	93.3
Axial and propeller type power roof ventilators, except parts	25.9	Industrial and commercial fans and blowers, and attic fans	354.6
Centrifugal type power roof ventilators, except parts	71.4	Axial fans, except parts	224.0
Parts for power roof ventilators	5.9	Axial fans directly connected to driver	164.5
Centrifugal blower-filter units, and classes I-IV centrifugal fans, except parts	507.7	Belt-driven axial fans	59.5
Centrifugal blower-filter units	315.5	Industrial propeller fans, except parts	58.8
Centrifugal classes I and II fans (more than 1 one-half in. to 6 three-fourth in. maximum total pressure)	106.5	Industrial propeller fans directly connected to driver	33.5
Centrifugal classes III and IV fans (more than 6 three- fourth in. maximum total pressure)	85.7	Industrial belt-driven propeller fans	25.3
Other centrifugal fans and blowers, except parts	653.5	Penthouses, shutters, guards, and other parts and accessories for industrial centrifugal, axial, and propeller fans and blowers (except power roof ventilators).	55.3
Industrial centrifugal fans, excluding blowers, turboblowers, and multistage blowers	181.1	Industrial and commercial fans and blowers, nsk, total	67.1

INPUTS AND OUTPUTS FOR AIR PURIFICATION AND VENTILATION EQUIPMENT
Economic Sector or Industry Providing Inputs	%	Sector	Economic Sector or Industry Buying Outputs	%	Sector
Compensation of employees	30.0		Private fixed investment	44.8
Management of companies & enterprises	5.9	Services	Exports of goods & services	9.0	Cap Inv
Wholesale trade	4.9	Trade	Commercial & health care structures	5.6	Construct.
Iron & steel mills & ferroalloys	4.5	Manufg.	Nonresidential structures, nec	5.2	Construct.
Motors & generators	3.8	Manufg.	Computer system design services	4.8	Services
Copper rolling, drawing, extruding, & alloying	3.5	Manufg.	AC, refrigeration, and warm air heating equipment	4.5	Manufg.
Nonwoven fabric mills	3.0	Manufg.	Waste management & remediation services	3.7	Services
Valve & fittings other than plumbing	2.5	Manufg.	Basic organic chemicals, nec	3.6	Manufg.
Air purification & ventilation equipment	1.8	Manufg.	Other S/L govt. enterprises	2.7	S/L Govt
Paints & coatings	1.8	Manufg.	Services to buildings & dwellings	1.7	Services
Metal cans, boxes, & other containers (light gauge)	1.2	Manufg.	Air purification & ventilation equipment	1.5	Manufg.
Plate work & fabricated structural products	1.1	Manufg.	Manufacturing structures	1.3	Construct.
Machine shops	1.1	Manufg.	Wholesale trade	1.3	Trade
Real estate	1.0	Fin/R.E.	Commercial & service industry machinery, nec	1.2	Manufg.
Truck transportation	0.9	Util.	Architectural, engineering, & related services	1.2	Services
Securities, commodity contracts, investments	0.8	Fin/R.E.	General S/L govt. services	1.0	S/L Govt
Cutting tools & machine tool accessories	0.8	Manufg.	Residential permanent site structures	0.8	Construct.
Alumina refining & primary aluminum production	0.8	Manufg.	Real estate	0.7	Fin/R.E.
AC, refrigeration, and warm air heating equipment	0.7	Manufg.	Plastics products, nec	0.6	Manufg.
Wiring devices	0.7	Manufg.	Plastics materials & resins	0.5	Manufg.
Advertising & related services	0.7	Services	Motor vehicle parts	0.5	Manufg.
Semiconductors & related devices	0.7	Manufg.	Scientific research & development services	0.5	Services
Power generation & supply	0.7	Util.	Chemical products & preparations, nec	0.4	Manufg.
Lessors of nonfinancial assets	0.6	Fin/R.E.	S/L govt. electric utilities	0.4	S/L Govt
Printed circuit assemblies (electronic assembiles)	0.6	Manufg.	Rail transportation	0.4	Util.
Plastics products, nec	0.6	Manufg.	Ferrous metal foundries	0.4	Manufg.
Ferrous metal foundries	0.5	Manufg.	Commercial & industrial equipment repair/maintenance	0.3	Services
Nonferrous metal foundries	0.5	Manufg.	Apparel knitting mills	0.3	Manufg.
Ball & roller bearings	0.5	Manufg.	Industrial gases	0.3	Manufg.
Gaskets, packing, & sealing devices	0.5	Manufg.	Elementary & secondary schools	0.2	Services
Electronic connectors	0.5	Manufg.	Warehousing & storage	0.2	Util.
Aluminum products from purchased aluminum	0.5	Manufg.	Scenic & sightseeing transport & related services	0.2	Util.
Turned products & screws, nuts, & bolts	0.5	Manufg.
Monetary authorities/depository credit intermediation	0.5	Fin/R.E.
Wood containers & pallets	0.5	Manufg.
Ornamental & architectural metal products	0.4	Manufg.
Professional, scientific, technical services, nec	0.4	Services
Relay & industrial controls	0.4	Manufg.
Data processing, hosting, & related services	0.3	Services
Telecommunications	0.3	Services
Legal services	0.3	Services
Scientific research & development services	0.3	Services
Taxes on production & imports, less subsidies	0.3
Warehousing & storage	0.3	Util.
Noncomparable imports	0.3	Foreign
Accounting, tax preparation, bookkeeping, & payroll	0.3	Services
Automotive equipment rental & leasing	0.3	Fin/R.E.
Coating, engraving, heat treating & allied activities	0.3	Manufg.
Plastics packaging materials, film & sheet	0.3	Manufg.
Rubber & plastics hose & belting	0.3	Manufg.
Abrasive products	0.2	Manufg.

INPUTS AND OUTPUTS FOR AIR PURIFICATION AND VENTILATION EQUIPMENT - Continued
Economic Sector or Industry Providing Inputs	%	Sector	Economic Sector or Industry Buying Outputs	%	Sector
Source: Benchmark Input-Output Accounts for the U.S. Economy, 2002, U.S. Department of Commerce, Washington, D.C., January 2008. The abbreviation nec stands for ‘not elsewhere classified’
Food services & drinking places	0.2	Services
Natural gas distribution	0.2	Util.
Forging, stamping, & sintering, nec	0.2	Manufg.
Communication & energy wires & cables	0.2	Manufg.
Primary nonferrous metal, ex. copper & aluminum	0.2	Manufg.
Industrial gases	0.2	Manufg.
Nonferrous metal (ex. copper & aluminum) processing	0.2	Manufg.
Services to buildings & dwellings	0.2	Services
Maintenance/repair of nonresidential structures	0.2	Construct.
Paperboard containers	0.2	Manufg.
Architectural, engineering, & related services	0.2	Services
Rubber products, nec	0.2	Manufg.
Other computer related services, including facilities	0.2	Services
Paper mills	0.2	Manufg.
Commercial & industrial machinery rental & leasing	0.1	Fin/R.E.
Hotels & motels, including casino hotels	0.1	Services
Unlaminated plastics profile shapes	0.1	Manufg.
Air transportation	0.1	Util.
Management, scientific, & technical consulting	0.1	Services
Paper bag & coated paper, nec	0.1	Manufg.
Fabricated metals, nec	0.1	Manufg.
Rail transportation	0.1	Util.
Automotive repair & maintenance, ex. car washes	0.1	Services
Custom roll forming	0.1	Manufg.
Paperboard mills	0.1	Manufg.

OCCUPATIONS EMPLOYED BY VENTILATION, HEATING, AC, & COMMERCIAL REFRIGERATION
Occupation	% of Total 2006	Change to 2016	Occupation	% of Total 2006	Change to 2016
Source: Industry-Occupation Matrix, Bureau of Labor Statistics, December 4, 2007. These data are reported based on 4-digit NAICS categories but have been matched to corresponding 6-digit NAICS industry codes. The change reported for each occupation to the year 2016 is a percent of growth or decline as estimated by the Bureau of Labor Statistics. The abbreviation nec stands for ‘not elsewhere classified’
Team assemblers	19.2	-8.0	Machinists	1.6	-3.4
Welders, cutters, solderers, & brazers	6.1	-2.1	Shipping, receiving, & traffic clerks	1.5	-11.5
Cutting, punching, & press machine operators	5.0	-17.2	Heating, AC, & refrigeration mechanics & installers	1.4	-8.0
Sheet metal workers	3.4	-9.8	Mechanical engineers	1.4	-8.0
First-line supervisors/managers of production workers	3.1	-8.0	Maintenance & repair workers, general	1.3	-8.0
Helpers--Production workers	2.9	-8.0	Sales reps, wholesale & manufacturing, exc tech	1.3	-8.0
Assemblers & fabricators, nec	2.7	-17.2	Welding, soldering, & brazing machine operators	1.3	3.4
Inspectors, testers, sorters, samplers, & weighers	2.3	-13.3	Electrical & electronic equipment assemblers	1.2	-26.4
Laborers & freight, stock, & material movers, hand	2.2	-17.2	Production, planning, & expediting clerks	1.1	-8.0
Industrial truck & tractor operators	2.1	-17.2	Coating, painting, & spraying machine operators	1.1	-12.6
Structural metal fabricators & fitters	2.0	-8.0	Customer service representatives	1.1	1.2
Multiple machine tool operators & tenders	1.9	1.2	General & operations managers	1.1	-17.2

INDUSTRY DATA BY STATE
State	Establishments	Shipments			Employment				Cost as % of Shipments	Investment per Employee ($)
State	Establishments	Total ($ mil)	% of U.S.	Per Establ.	Total Number	% of U.S.	Per Establ.	Wages ($/hour)	Cost as % of Shipments	Investment per Employee ($)
Source: 2002 Economic Census. The states are in descending order of shipments or establishments (if shipment data are missing for the majority). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. States marked with (D) are sorted by number of establishments. A dash (-) indicates that the data element cannot be calculated. Data may not show all states active in the NAICS category. All data available at the time of publication are shown
Illinois	39	325.3	7.8	8,340.5	2,389	8.3	61	14.46	44.1	2,864
Ohio	32	292.9	7.0	9,153.3	1,942	6.7	61	10.10	42.3	9,508
North Carolina	35	277.3	6.7	7,923.7	2,331	8.1	67	10.97	50.9	1,654
Wisconsin	18	270.7	6.5	15,040.8	1,484	5.2	82	16.78	39.2	1,253
Missouri	12	254.8	6.1	21,236.6	1,812	6.3	151	14.09	43.7	7,588
Texas	40	245.0	5.9	6,126.1	1,892	6.6	47	11.12	42.7	2,561
California	54	181.9	4.4	3,369.3	1,387	4.8	26	13.97	42.4	3,107
Michigan	27	145.1	3.5	5,374.4	947	3.3	35	14.28	52.1	1,668
Pennsylvania	19	95.1	2.3	5,007.4	519	1.8	27	14.05	41.7	1,746
Georgia	9	92.1	2.2	10,231.9	357	1.2	40	13.23	43.6	3,616
Kentucky	11	85.5	2.1	7,770.8	702	2.4	64	10.47	47.4	3,548
New York	17	84.9	2.0	4,993.1	642	2.2	38	17.51	36.5	992
Minnesota	16	62.5	1.5	3,903.8	450	1.6	28	14.27	42.9	1,622
Oregon	4	61.3	1.5	15,336.0	387	1.3	97	13.93	50.3	1,328
Massachusetts	7	50.4	1.2	7,197.4	334	1.2	48	13.06	43.7	2,769
Colorado	9	19.9	0.5	2,213.6	127	0.4	14	15.87	53.6	1,583
South Carolina	8	18.4	0.4	2,298.4	193	0.7	24	9.61	48.5	1,606
Alabama	6	17.1	0.4	2,852.8	181	0.6	30	11.19	48.1	939
Nevada	5	14.0	0.3	2,797.4	127	0.4	25	10.21	37.7	858

NAICS 33341N - Ventilation Equipment Manufacturing

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NAICS 33341N - Ventilation Equipment Manufacturing

*Equivalent to Federal Government NAICS 333411, 333412.

GENERAL STATISTICS
Year	Companies	Establishments		Employment			Compensation		Production ($ million)
		Total	with 20 or more employees	Total (000)	Production		Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
		Total	with 20 or more employees	Total (000)	Workers (000)	Hours (Mil)	Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
Sources: 1997 and 2002 Economic Census; other years, up to 2006, are from Annual Survey of Manufactures. Establishment counts for non-Census years are from County Business Patterns; 1997 and 2002 values are from the 1997 and 2002 censuses, respectively. ‘P's show projections by the editors.
1997	505	573	277	30.0	20.9	42.3	908.3	12.00	1,902.9	2,185.5	4,100.9	125.1
1998		589	276	30.8	22.5	43.9	940.4	12.70	1,910.4	2,283.1	4,203.8	143.8
1999		557	275	31.6	22.4	45.4	958.6	12.05	1,803.4	2,348.7	4,151.6	116.3
2000		549	284	30.9	22.3	44.1	993.6	13.10	1,942.8	2,284.1	4,214.3	125.8
2001		547	275	29.1	20.7	41.3	955.9	13.18	1,899.3	2,084.5	3,999.3	112.0
2002	456	537	281	28.8	19.4	40.6	948.2	12.89	1,883.5	2,258.4	4,155.1	100.2
2003		549	278	26.0	18.7	38.0	904.0	13.33	1,753.9	2,356.2	4,080.4	60.6
2004		531	269	24.8	17.6	36.1	860.2	13.40	1,852.8	2,044.8	3,877.0	75.8
2005		524	265	23.9	17.2	35.6	874.4	13.61	2,078.0	2,161.8	4,207.1	56.3
2006		518P	270P	24.8	17.9	37.2	908.0	13.85	2,248.2	2,379.9	4,597.9	69.7
2007		511P	269P	23.3P	16.6P	34.8P	884.1P	14.02P	2,080.4P	2,202.2P	4,254.6P	47.9P
2008		504P	268P	22.4P	16.0P	33.8P	876.6P	14.20P	2,088.9P	2,211.3P	4,272.1P	38.6P
2009		498P	267P	21.5P	15.4P	32.7P	869.1P	14.38P	2,097.4P	2,220.3P	4,289.5P	29.4P
2010		491P	266P	20.6P	14.8P	31.7P	861.6P	14.57P	2,105.9P	2,229.3P	4,307.0P	20.2P

INDICES OF CHANGE
Year	Companies	Establishments		Employment			Compensation		Production ($ million)
		Total	with 20 or more employees	Total (000)	Production		Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
		Total	with 20 or more employees	Total (000)	Workers (000)	Hours (Mil)	Payroll ($ mil)	Wages ($/hr)	Cost of Materials	Value Added by Manufacture	Value of Shipments	Capital Invest.
Sources: Same as General Statistics. Values reflect change from the base year, 2002. Values above 100 mean greater than 2002, values below 100 mean less than 2002, and the values of 100 in other years means the same as 2002. ‘P's show projections by the editors
1997	111	107	99	104	108	104	96	93	101	97	99	125
1998		110	98	107	116	108	99	99	101	101	101	144
1999		104	98	110	115	112	101	93	96	104	100	116
2000		102	101	107	115	109	105	102	103	101	101	126
2001		102	98	101	107	102	101	102	101	92	96	112
2002	100	100	100	100	100	100	100	100	100	100	100	100
2003		102	99	90	96	94	95	103	93	104	98	60
2004		99	96	86	91	89	91	104	98	91	93	76
2005		98	94	83	89	88	92	106	110	96	101	56
2006		96P	96P	86	92	92	96	107	119	105	111	70
2007		95P	96P	81P	86P	86P	93P	109P	110P	98P	102P	48P
2008		94P	95P	78P	82P	83P	92P	110P	111P	98P	103P	39P
2009		93P	95P	75P	79P	81P	92P	112P	111P	98P	103P	29P
2010		91P	95P	72P	76P	78P	91P	113P	112P	99P	104P	20P

SELECTED RATIOS
For 2002	Avg. of All Manufact.	Analyzed Industry	Index	For 2002	Avg. of All Manufact.	Analyzed Industry	Index
Sources: Same as General Statistics. The ‘Average of All Manufacturing’ column represents the average of all manufacturing industries reported for the most recent complete year available. The Index shows the relationship between the Average and the Analyzed Industry. For example, 100 means that they are equal; 500 that the Analyzed Industry is five times the average; 50 means that the Analyzed Industry is half the national average. The abbreviation ‘na’ is used to show that data are ‘not available’. Ratios shown for 2002, the last complete census year
Employees per Establishment	42	54	128	Value Added per Production Worker	182,367	116,412	64
Payroll per Establishment	1,639,184	1,765,736	108	Cost per Establishment	5,769,015	3,507,449	61
Payroll per Employee	39,053	32,924	84	Cost per Employee	137,446	65,399	48
Production Workers per Establishment	30	36	122	Cost per Production Worker	195,506	97,088	50
Wages per Establishment	694,845	974,551	140	Shipments per Establishment	11,158,348	7,737,616	69
Wages per Production Worker	23,548	26,976	115	Shipments per Employee	265,847	144,274	54
Hours per Production Worker	1,980	2,093	106	Shipments per Production Worker	378,144	214,180	57
Wages per Hour	11.89	12.89	108	Investment per Establishment	361,338	186,592	52
Value Added per Establishment	5,381,325	4,205,587	78	Investment per Employee	8,609	3,479	40
Value Added per Employee	128,210	78,417	61	Investment per Production Worker	12,245	5,165	42

LEADING COMPANIES Number shown: 75 Total sales ($ mil): 27,771 Total employment (000): 111.5
Company Name	Address				CEO Name	Phone	Co. Type	Sales ($ mil)	Empl. (000)
Source: Ward's Business Directory of U.S. Private and Public Companies, Volumes 1 and 2, 2008. The company type code used is as follows: P - Public, R - Private, S - Subsidiary, D - Division, J - Joint Venture, A - Affiliate, G - Group. Sales are in millions of dollars, employees are in thousands. An asterisk (*) indicates an estimated sales volume. The symbol < stands for ‘less than’. Company names and addresses are truncated, in some cases, to fit into the available space.
Tosoh SMD Inc.	3600 Gantz Rd.	Grove City	OH	43123	Mark Gore	614-875-7912	R	3,680*	<0.1
Pall Corp.	2200 Northern Blvd.	East Hills	NY	11548	Eric Krasnoff	516-484-5400	P	2,250	10.8
NTK Holdings Inc.	50 Kennedy Plz.	Providence	RI	02903	Richard L. Bready	401-751-1600	S	2,218	9.8
AMETEK Inc.	PO Box 1764	Paoli	PA	19301	Frank S. Hermance	610-647-2121	P	2,137	10.4
Johns Manville Corp.	PO Box 5108	Denver	CO	80217	Steve Hochhauser	303-978-2000	S	2,125*	8.5
Donaldson Company Inc.	PO Box 1299	Minneapolis	MN	55440	William M. Cook	952-887-3131	P	1,919	12.0
Gardner Denver Inc.	PO Box 528	Quincy	IL	62306	Ross J. Centanni	217-222-5400	P	1,869	6.2
Babcock and Wilcox Co.	PO Box 351	Barberton	OH	44203	John A. Fees	330-753-4511	S	1,080*	10.8
Purolator Air Filtration	PO Box 32578	Louisville	KY	40232		502-969-2304	S	886*	6.7
Fleetguard Inc.	1200 Fleetguard Rd.	Cookeville	TN	38506	Rick Mills	931-526-9551	S	828*	6.0
Alpine Industries Inc.	310 T. Elmer Cox Dr	Greeneville	TN	37745	William Converse	423-638-7246	R	749*	1.0
Riley Power Inc.	PO Box 15040	Worcester	MA	01615		508-852-7100	R	612*	0.4
EBM-Papst Inc.	PO Box 4009	Farmington	CT	06034	Robert Sobolewski	860-674-1515	R	465*	0.4
Luwa Inc.	3901 Westpoint Blvd	Winston-Salem	NC	27103		336-760-3111	R	448*	0.1
Mestek Inc.	260 N Elm St.	Westfield	MA	01085	R. Bruce Dewey	413-568-9571	R	372*	2.6
Kaman Aerospace Corp.	PO Box 2	Bloomfield	CT	06002	Sal Bordanelero	860-242-4461	S	349*	1.4
Cme L.L.C.	2945 Three Leaves	Mount Pleasant	MI	48858		989-773-0377	R	317*	0.4
Continental Conveyor & Equip.	PO Box 400	Winfield	AL	35594		205-487-6492	R	286*	0.3
Kirk and Blum Manufacturing	3120 Forrer St.	Cincinnati	OH	45209	Richard J. Blum	513-458-2600	S	265*	0.4
Flanders Corp.	PO Box 7568	St. Petersburg	FL	33734	Robert R. Amerson	727-822-4411	P	245	2.8
CECO Environmental Corp.	3120 Forrer St.	Cincinnati	OH	45209	Phillip DeZwirek	513-458-2600	P	236	0.7
MFRI Inc.	7720 N Lehigh Ave.	Niles	IL	60714		847-966-1000	P	213	1.1
Baldwin Filters	PO Box 6010	Kearney	NE	68848	Sam Ferrise	308-234-1951	S	213*	1.1
Avox Systems Inc.	225 Erie Street	Lancaster	NY	14086		716-683-5100	S	201*	1.0
Hayward Industrial Products	PO Box 18	Elizabeth	NJ	07207	Oscar Davis	908-351-5400	R	200*	0.3
BHA Group Holdings Inc.	8800 E 63rd St.	Raytown	MO	64133	James E. Lund	816-356-8400	S	179	1.0
Precisionaire Inc.	PO Box 7568	St Petersburg	FL	33734	Robert R. Amerson		S	170*	<0.1
Venturedyne Ltd.	600 College Ave.	Pewaukee	WI	53072		262-691-9900	R	147*	1.3
Air Vent Inc.	4117 Pinnacle Pnt.	Dallas	TX	75211	Cliff Tucker	214-630-7377	S	141*	0.1
TBDN Tennessee Co.	PO Box 1887	Jackson	TN	38302	Tokuja Yamauchi	731-421-4800	S	126*	0.5
Sundyne Corp.	14845 W 64th Ave.	Arvada	CO	80007	Phil Ruffner	303-425-0800	S	118*	0.7
General Resource Corp.	5909 Baker Rd.	Minnetonka	MN	55345	Tim Masterman	952-933-7474	R	112*	0.2
Delfield Co.	980 S Isabella Rd.	Mt. Pleasant	MI	48858	Kevin Clark	989-773-7981	S	108*	0.7
Psp Industries Inc.	9885 Doerr Ln.	Schertz	TX	78154	Andrew Easton	210-651-9595	R	105*	<0.1
Besser Co.	801 Johnson St.	Alpena	MI	49707	Kevin Curtis	989-354-4111	R	99*	0.4
Parker Hannifin Racor Div.	PO Box 3208	Modesto	CA	95353		209-521-7860	S	98*	0.8
Nidec America Corp.	318 Industrial Ln.	Torrington	CT	06790	Thomas Keenan	860-482-4422	R	97*	0.1
Lau Industries Inc.	4509 Springfield St	Dayton	OH	45431	Tom Edwards	937-476-6500	S	95*	1.1
Met-Pro Corp.	PO Box 144	Harleysville	PA	19438	Raymond J. De Hont	215-723-6751	P	91	0.4
Environmental Air Systems Inc.	PO Box 13006	Greensboro	NC	27415	James Bullock	336-273-1975	R	87*	0.4
USUI International Corp.	1045 Reed Dr.	Monroe	OH	45050	Takanobu Ihara	513-539-4591	R	86*	0.1
TPI Corp.	PO Box 4973	Johnson City	TN	37602	Robert Henry	423-477-4131	R	84*	<0.1
Fuel-Tech Inc.	512 Kingsland Dr.	Batavia	IL	60510	Ralph E. Bailey	630-845-4500	P	80	0.2
Loren Cook Co.	PO Box 4047	Springfield	MO	65808	Gerald Cook	417-869-6474	R	75*	0.9
Lasko Products Inc.	820 Lincoln Ave.	West Chester	PA	19380	Oscar Lasko	610-692-7400	R	74*	0.2
Twin City Fan Co's Ltd.	5959 Trenton Ln. N	Minneapolis	MN	55442	Charles Barry	763-551-7600	R	72*	0.1
Buffalo Air Handling Co.	467 Zane Snead Dr.	Amherst	VA	24521	William Phelps	434-946-7455	S	68*	0.5
Peerless-Winsmith Inc.	172 Eaton St.	Springville	NY	14141	David McCann	716-592-9310	S	64*	0.8
Henry Technologies Inc.	1 ABC Pkwy.	Beloit	WI	53511	Charlie Graham	608-361-4400	R	62*	<0.1
Dantherm Filtration Inc.	PO Box 429	Thomasville	NC	27361	Niels Petersen	336-889-5599	R	59*	0.1
Acme Engineering & Mfg.	PO Box 978	Muskogee	OK	74402	Lee Buddrus	918-682-7791	R	59*	0.5
Robinson Industries Inc.	PO Box 100	Zelienople	PA	16063	H Gutzwiller	724-452-6121	R	57*	0.2
Aerotech Inc.	4215 Legion Dr.	Mason	MI	48854	Robert Mitchell	517-676-7070	S	56*	<0.1
Revcor Inc.	251 Edwards Ave.	Carpentersville	IL	60110	John Reichwein	847-428-4411	R	55*	0.3
Eclipse Inc.	1665 Elmwood Rd.	Rockford	IL	61103	Campbell Perks	815-877-3031	R	53*	<0.1
Super Vacuum Manufacturing Co.	PO Box 87	Loveland	CO	80539	Roger Weinmeister	970-667-5146	R	51*	0.1
Horton Fan Sysems Inc.	201 W Carmel Dr.	Carmel	IN	46032		317-249-4001	R	51*	0.1
Hilliard Corp.	PO Box 866	Elmira	NY	14902	N. Mooers Den Blin	607-733-7121	R	50*	0.4
BHA Technologies Inc.	8800 East 63rd St.	Kansas City	MO	64133	James E. Lund	816-356-5515	S	49*	<0.1
Metal-Fab Inc.	3025 May St.	Wichita	KS	67213	Kenneth Shannon	316-943-2351	R	45*	0.4
Filtertek Inc.	PO Box 310	Hebron	IL	60034	Stephen Soltwedel	815-648-2416	S	44*	0.9
Nor-Lake Inc.	727 2nd Street	Hudson	WI	54016	Charles Dullea	715-386-2323	R	43*	0.3
Altair Corp.	350 Barclay Blvd.	Lincolnshire	IL	60069	Garry Brainin	847-634-9540	R	43*	<0.1
Ecoquest Manufacturing Inc.	310 T Elmer Cox	Greeneville	TN	37743	Michael Jackson	423-798-6488	R	41*	0.2
Hurst Boiler and Welding Co.	PO Box 530	Coolidge	GA	31738	Clifton Hurst	229-346-3545	R	41*	0.3
Precipitator Services Group	1625 Broad St.	Elizabethton	TN	37643	Carl Nidiffer	423-543-7331	R	40*	0.3
Dynasteel Corp.	PO Box 27640	Memphis	TN	38167	James Russell	901-358-6231	R	40*	0.1
Loranger International Corp.	817 4th Ave.	Warren	PA	16365	Albert Loranger	814-723-2250	R	39*	0.1
Airtex Manufacturing Inc.	PO Box 650	De Soto	KS	66018	Richard Rambacher	913-583-3181	R	38*	0.2
Ellis and Watts International	4400 Glen Willow	Batavia	OH	45103	Andrew Pike	513-752-9000	R	38*	0.2
Warren Technology Inc.	PO Box 5347	Hialeah	FL	33014	Winfield Kelley	305-556-6933	R	38*	0.2
Wayne Wire Cloth Products Inc.	PO Box 550	Kalkaska	MI	49646	Michael Brown	231-258-9187	R	37*	0.2
Parker Hannifin Pneumatic Div.	8676 M 89	Richland	MI	49083		269-629-5000	S	36*	0.3
Semco Duct & Acoustical Prods	1800 E Pointe Dr.	Columbia	MO	65201		573-443-1481	R	35*	0.1
Microdyne Products Co.	PO Box 910	Ballwin	MO	63011	Lee Witengier	314-291-5600	R	34*	<0.1

MATERIALS CONSUMED FOR AIR PURIFICATION EQUIPMENT MANUFACTURING
Material	Quantity	Delivered Cost ($ million)
Source: 2002 Economic Census. Explanation of symbols used: (D): Withheld to avoid disclosure of competitive data; na: Not available; (S): Withheld because statistical norms were not met; (X): Not applicable; (Z): Less than half the unit shown; nec: Not elsewhere classified; nsk: Not specified by kind; - : zero; p : 10-19 percent estimated; q : 20-29 percent estimated
Metal bolts, nuts, screws, and other screw machine products	(X)	2.7
Metal pipe, valves, and pipe fittings (excluding forgings)	(X)	15.2
Other fabricated metal products (exc. fluid power products and forgings)	(X)	20.3
Fabricated structural metal products (excluding forgings)	(X)	30.9
Fluid power products	(X)	3.3
Iron and steel castings (rough and semifinished)	(X)	3.0
Nonferrous (aluminum, copper, etc.) castings (rough and semifinished)	(X)	1.4
Steel bars, bar shapes, and plates (exc. castings, forgings, fabr. metal products)	(X)	9.3
Steel sheet and strip (including tinplate)	(X)	37.0
All other steel shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	7.1
Other nonferrous shapes and forms (exc. castings, forgings, fabricated metal products)	(X)	6.1
Aluminum and aluminum-base alloy shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	8.3
Electric motors and generators	(X)	6.5
Ball and roller bearings (mounted or unmounted)	(X)	0.8
Flexible packaging materials, paperboard containers and boxes, and corrugated paperboard	(X)	12.9
All other materials, components, parts, containers, and supplies	(X)	483.4
Materials, ingredients, containers, and supplies, nsk	(X)	300.2

MATERIALS CONSUMED FOR INDUSTRIAL AND COMMERCIAL FAN AND BLOWER MANUFACTURING
Material	Quantity	Delivered Cost ($ million)
Source: 2002 Economic Census. Explanation of symbols used: (D): Withheld to avoid disclosure of competitive data; na: Not available; (S): Withheld because statistical norms were not met; (X): Not applicable; (Z): Less than half the unit shown; nec: Not elsewhere classified; nsk: Not specified by kind; - : zero; p : 10-19 percent estimated; q : 20-29 percent estimated
Metal bolts, nuts, screws, and other screw machine products	(X)	11.2
Metal pipe, valves, and pipe fittings (excluding forgings)	(X)	0.8
Other fabricated metal products (exc. fluid power products and forgings)	(X)	11.5
Fabricated structural metal products (excluding forgings)	(X)	47.6
Fluid power products	(X)	2.1
Forgings	(X)	5.5
Iron and steel castings (rough and semifinished)	(X)	17.1
Nonferrous (aluminum, copper, etc.) castings (rough and semifinished)	(X)	16.2
Steel bars, bar shapes, and plates (exc. castings, forgings, fabr. metal products)	(X)	16.3
Steel sheet and strip (including tinplate)	(X)	59.7
All other steel shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	7.6
Other nonferrous shapes and forms (exc. castings, forgings, fabricated metal products)	(X)	4.6
Aluminum and aluminum-base alloy shapes and forms (exc. castings, forgings, fabr. metal products)	(X)	16.5
Electric motors and generators	(X)	103.8
Ball and roller bearings (mounted or unmounted)	(X)	14.9
Flexible packaging materials, paperboard containers and boxes, and corrugated paperboard	(X)	10.8
All other materials, components, parts, containers, and supplies	(X)	361.6
Materials, ingredients, containers, and supplies, nsk	(X)	13.2

PRODUCT SHARE DETAILS FOR AIR PURIFICATION EQUIPMENT MANUFACTURING
Product or Product Class Shipments	Mil. $	Product or Product Class Shipments	Mil. $
Source: 2002 Economic Census. The values are product shipments in millions of dollars for 2002. Total product shipments may be lower or higher than industry shipments. See Introduction for a full discussion. Values of indented subcategories are summed in the main heading(s). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. The abbreviation nsk stands for ‘not specified by kind’ and nec for ‘not elsewhere classified’. A dash (-) means zero
AIR PURIFICATION EQUIPMENT	2,149.2	CFM or less, except parts	707.7
Dust collection and other air purification equipment for industrial gas cleaning systems	721.7	Other dust collection and other air purification equipment, except parts	559.1
Dust collection and other air purification equipment for industrial gas cleaning systems (for cleaning outgoing air)	663.0	Air washers (purification equipment for cleaning incoming air), except parts	85.1
Dust collection and other air purification equipment for industrial gas cleaning systems (for cleaning outgoing air), except parts	594.3	Electrostatic precipitation dust collection and air purification equipment, except parts	99.5
Parts for industrial air purification equipment	68.7	Other dust collection and other air purification equipment (including air filters for air-conditioners and furnaces), except parts	374.4
Dust collection and other air purification equipment for industrial gas cleaning systems, nsk	58.7	Parts for dust collection and air purification equipment	59.4
Dust collection and other air purification equipment and parts for cleaning incoming air	1,375.5	Dust collection and other air purification equipment for cleaning incoming air, nsk	49.2
Air filters for air-conditioners and furnaces, etc., of 2400		Air purification equipment, nsk, total	52.1

PRODUCT SHARE DETAILS FOR INDUSTRIAL AND COMMERCIAL FAN AND BLOWER MANUFACTURING
Product or Product Class Shipments	Mil. $	Product or Product Class Shipments	Mil. $
Source: 2002 Economic Census. The values are product shipments in millions of dollars for 2002. Total product shipments may be lower or higher than industry shipments. See Introduction for a full discussion. Values of indented subcategories are summed in the main heading(s). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. The abbreviation nsk stands for ‘not specified by kind’ and nec for ‘not elsewhere classified’. A dash (-) means zero
INDUSTRIAL AND COMMERCIAL FANS AND BLOWERS	1,669.7	Positive displacement centrifugal blowers, excluding turboblowers	24.5
Power roof ventilators and parts	103.3	Multistage centrifugal blowers.	93.3
Axial and propeller type power roof ventilators, except parts	25.9	Industrial and commercial fans and blowers, and attic fans	354.6
Centrifugal type power roof ventilators, except parts	71.4	Axial fans, except parts	224.0
Parts for power roof ventilators	5.9	Axial fans directly connected to driver	164.5
Centrifugal blower-filter units, and classes I-IV centrifugal fans, except parts	507.7	Belt-driven axial fans	59.5
Centrifugal blower-filter units	315.5	Industrial propeller fans, except parts	58.8
Centrifugal classes I and II fans (more than 1 one-half in. to 6 three-fourth in. maximum total pressure)	106.5	Industrial propeller fans directly connected to driver	33.5
Centrifugal classes III and IV fans (more than 6 three- fourth in. maximum total pressure)	85.7	Industrial belt-driven propeller fans	25.3
Other centrifugal fans and blowers, except parts	653.5	Penthouses, shutters, guards, and other parts and accessories for industrial centrifugal, axial, and propeller fans and blowers (except power roof ventilators).	55.3
Industrial centrifugal fans, excluding blowers, turboblowers, and multistage blowers	181.1	Industrial and commercial fans and blowers, nsk, total	67.1

INPUTS AND OUTPUTS FOR AIR PURIFICATION AND VENTILATION EQUIPMENT
Economic Sector or Industry Providing Inputs	%	Sector	Economic Sector or Industry Buying Outputs	%	Sector
Compensation of employees	30.0		Private fixed investment	44.8
Management of companies & enterprises	5.9	Services	Exports of goods & services	9.0	Cap Inv
Wholesale trade	4.9	Trade	Commercial & health care structures	5.6	Construct.
Iron & steel mills & ferroalloys	4.5	Manufg.	Nonresidential structures, nec	5.2	Construct.
Motors & generators	3.8	Manufg.	Computer system design services	4.8	Services
Copper rolling, drawing, extruding, & alloying	3.5	Manufg.	AC, refrigeration, and warm air heating equipment	4.5	Manufg.
Nonwoven fabric mills	3.0	Manufg.	Waste management & remediation services	3.7	Services
Valve & fittings other than plumbing	2.5	Manufg.	Basic organic chemicals, nec	3.6	Manufg.
Air purification & ventilation equipment	1.8	Manufg.	Other S/L govt. enterprises	2.7	S/L Govt
Paints & coatings	1.8	Manufg.	Services to buildings & dwellings	1.7	Services
Metal cans, boxes, & other containers (light gauge)	1.2	Manufg.	Air purification & ventilation equipment	1.5	Manufg.
Plate work & fabricated structural products	1.1	Manufg.	Manufacturing structures	1.3	Construct.
Machine shops	1.1	Manufg.	Wholesale trade	1.3	Trade
Real estate	1.0	Fin/R.E.	Commercial & service industry machinery, nec	1.2	Manufg.
Truck transportation	0.9	Util.	Architectural, engineering, & related services	1.2	Services
Securities, commodity contracts, investments	0.8	Fin/R.E.	General S/L govt. services	1.0	S/L Govt
Cutting tools & machine tool accessories	0.8	Manufg.	Residential permanent site structures	0.8	Construct.
Alumina refining & primary aluminum production	0.8	Manufg.	Real estate	0.7	Fin/R.E.
AC, refrigeration, and warm air heating equipment	0.7	Manufg.	Plastics products, nec	0.6	Manufg.
Wiring devices	0.7	Manufg.	Plastics materials & resins	0.5	Manufg.
Advertising & related services	0.7	Services	Motor vehicle parts	0.5	Manufg.
Semiconductors & related devices	0.7	Manufg.	Scientific research & development services	0.5	Services
Power generation & supply	0.7	Util.	Chemical products & preparations, nec	0.4	Manufg.
Lessors of nonfinancial assets	0.6	Fin/R.E.	S/L govt. electric utilities	0.4	S/L Govt
Printed circuit assemblies (electronic assembiles)	0.6	Manufg.	Rail transportation	0.4	Util.
Plastics products, nec	0.6	Manufg.	Ferrous metal foundries	0.4	Manufg.
Ferrous metal foundries	0.5	Manufg.	Commercial & industrial equipment repair/maintenance	0.3	Services
Nonferrous metal foundries	0.5	Manufg.	Apparel knitting mills	0.3	Manufg.
Ball & roller bearings	0.5	Manufg.	Industrial gases	0.3	Manufg.
Gaskets, packing, & sealing devices	0.5	Manufg.	Elementary & secondary schools	0.2	Services
Electronic connectors	0.5	Manufg.	Warehousing & storage	0.2	Util.
Aluminum products from purchased aluminum	0.5	Manufg.	Scenic & sightseeing transport & related services	0.2	Util.
Turned products & screws, nuts, & bolts	0.5	Manufg.
Monetary authorities/depository credit intermediation	0.5	Fin/R.E.
Wood containers & pallets	0.5	Manufg.
Ornamental & architectural metal products	0.4	Manufg.
Professional, scientific, technical services, nec	0.4	Services
Relay & industrial controls	0.4	Manufg.
Data processing, hosting, & related services	0.3	Services
Telecommunications	0.3	Services
Legal services	0.3	Services
Scientific research & development services	0.3	Services
Taxes on production & imports, less subsidies	0.3
Warehousing & storage	0.3	Util.
Noncomparable imports	0.3	Foreign
Accounting, tax preparation, bookkeeping, & payroll	0.3	Services
Automotive equipment rental & leasing	0.3	Fin/R.E.
Coating, engraving, heat treating & allied activities	0.3	Manufg.
Plastics packaging materials, film & sheet	0.3	Manufg.
Rubber & plastics hose & belting	0.3	Manufg.
Abrasive products	0.2	Manufg.

INPUTS AND OUTPUTS FOR AIR PURIFICATION AND VENTILATION EQUIPMENT - Continued
Economic Sector or Industry Providing Inputs	%	Sector	Economic Sector or Industry Buying Outputs	%	Sector
Source: Benchmark Input-Output Accounts for the U.S. Economy, 2002, U.S. Department of Commerce, Washington, D.C., January 2008. The abbreviation nec stands for ‘not elsewhere classified’
Food services & drinking places	0.2	Services
Natural gas distribution	0.2	Util.
Forging, stamping, & sintering, nec	0.2	Manufg.
Communication & energy wires & cables	0.2	Manufg.
Primary nonferrous metal, ex. copper & aluminum	0.2	Manufg.
Industrial gases	0.2	Manufg.
Nonferrous metal (ex. copper & aluminum) processing	0.2	Manufg.
Services to buildings & dwellings	0.2	Services
Maintenance/repair of nonresidential structures	0.2	Construct.
Paperboard containers	0.2	Manufg.
Architectural, engineering, & related services	0.2	Services
Rubber products, nec	0.2	Manufg.
Other computer related services, including facilities	0.2	Services
Paper mills	0.2	Manufg.
Commercial & industrial machinery rental & leasing	0.1	Fin/R.E.
Hotels & motels, including casino hotels	0.1	Services
Unlaminated plastics profile shapes	0.1	Manufg.
Air transportation	0.1	Util.
Management, scientific, & technical consulting	0.1	Services
Paper bag & coated paper, nec	0.1	Manufg.
Fabricated metals, nec	0.1	Manufg.
Rail transportation	0.1	Util.
Automotive repair & maintenance, ex. car washes	0.1	Services
Custom roll forming	0.1	Manufg.
Paperboard mills	0.1	Manufg.

OCCUPATIONS EMPLOYED BY VENTILATION, HEATING, AC, & COMMERCIAL REFRIGERATION
Occupation	% of Total 2006	Change to 2016	Occupation	% of Total 2006	Change to 2016
Source: Industry-Occupation Matrix, Bureau of Labor Statistics, December 4, 2007. These data are reported based on 4-digit NAICS categories but have been matched to corresponding 6-digit NAICS industry codes. The change reported for each occupation to the year 2016 is a percent of growth or decline as estimated by the Bureau of Labor Statistics. The abbreviation nec stands for ‘not elsewhere classified’
Team assemblers	19.2	-8.0	Machinists	1.6	-3.4
Welders, cutters, solderers, & brazers	6.1	-2.1	Shipping, receiving, & traffic clerks	1.5	-11.5
Cutting, punching, & press machine operators	5.0	-17.2	Heating, AC, & refrigeration mechanics & installers	1.4	-8.0
Sheet metal workers	3.4	-9.8	Mechanical engineers	1.4	-8.0
First-line supervisors/managers of production workers	3.1	-8.0	Maintenance & repair workers, general	1.3	-8.0
Helpers--Production workers	2.9	-8.0	Sales reps, wholesale & manufacturing, exc tech	1.3	-8.0
Assemblers & fabricators, nec	2.7	-17.2	Welding, soldering, & brazing machine operators	1.3	3.4
Inspectors, testers, sorters, samplers, & weighers	2.3	-13.3	Electrical & electronic equipment assemblers	1.2	-26.4
Laborers & freight, stock, & material movers, hand	2.2	-17.2	Production, planning, & expediting clerks	1.1	-8.0
Industrial truck & tractor operators	2.1	-17.2	Coating, painting, & spraying machine operators	1.1	-12.6
Structural metal fabricators & fitters	2.0	-8.0	Customer service representatives	1.1	1.2
Multiple machine tool operators & tenders	1.9	1.2	General & operations managers	1.1	-17.2

INDUSTRY DATA BY STATE
State	Establishments	Shipments			Employment				Cost as % of Shipments	Investment per Employee ($)
State	Establishments	Total ($ mil)	% of U.S.	Per Establ.	Total Number	% of U.S.	Per Establ.	Wages ($/hour)	Cost as % of Shipments	Investment per Employee ($)
Source: 2002 Economic Census. The states are in descending order of shipments or establishments (if shipment data are missing for the majority). The symbol (D) appears when data are withheld to prevent disclosure of competitive information. States marked with (D) are sorted by number of establishments. A dash (-) indicates that the data element cannot be calculated. Data may not show all states active in the NAICS category. All data available at the time of publication are shown
Illinois	39	325.3	7.8	8,340.5	2,389	8.3	61	14.46	44.1	2,864
Ohio	32	292.9	7.0	9,153.3	1,942	6.7	61	10.10	42.3	9,508
North Carolina	35	277.3	6.7	7,923.7	2,331	8.1	67	10.97	50.9	1,654
Wisconsin	18	270.7	6.5	15,040.8	1,484	5.2	82	16.78	39.2	1,253
Missouri	12	254.8	6.1	21,236.6	1,812	6.3	151	14.09	43.7	7,588
Texas	40	245.0	5.9	6,126.1	1,892	6.6	47	11.12	42.7	2,561
California	54	181.9	4.4	3,369.3	1,387	4.8	26	13.97	42.4	3,107
Michigan	27	145.1	3.5	5,374.4	947	3.3	35	14.28	52.1	1,668
Pennsylvania	19	95.1	2.3	5,007.4	519	1.8	27	14.05	41.7	1,746
Georgia	9	92.1	2.2	10,231.9	357	1.2	40	13.23	43.6	3,616
Kentucky	11	85.5	2.1	7,770.8	702	2.4	64	10.47	47.4	3,548
New York	17	84.9	2.0	4,993.1	642	2.2	38	17.51	36.5	992
Minnesota	16	62.5	1.5	3,903.8	450	1.6	28	14.27	42.9	1,622
Oregon	4	61.3	1.5	15,336.0	387	1.3	97	13.93	50.3	1,328
Massachusetts	7	50.4	1.2	7,197.4	334	1.2	48	13.06	43.7	2,769
Colorado	9	19.9	0.5	2,213.6	127	0.4	14	15.87	53.6	1,583
South Carolina	8	18.4	0.4	2,298.4	193	0.7	24	9.61	48.5	1,606
Alabama	6	17.1	0.4	2,852.8	181	0.6	30	11.19	48.1	939
Nevada	5	14.0	0.3	2,797.4	127	0.4	25	10.21	37.7	858