Industry Statistics Sampler
NAICS 333411
Air purification equipment manufacturing

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Definition	Data from the Economic Census					Annual, monthly data
	Employers	Nonemployers	Compare to '97	States	Products, Size, etc.

Employers: 2002
Table includes only establishments of firms with payroll. Nonemployers are shown below. Introductory text includes scope, methodology, non-sampling error, and confidentiality protection. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.
NAICS code	Description	Estab- lish- ments	Value of shipments ($1,000)	Annual payroll ($1,000)	Paid employees

31-33	Manufacturing	350,828	3,916,136,712	576,170,541	14,699,536
333	Machinery mfg	28,306	252,476,407	49,838,051	1,172,889
3334	Ventilation, heating, AC, & commercial refrigeration equip mfg	1,848	31,933,185	5,460,211	156,752
33341	Ventilation, heating, AC, & commercial refrigeration equip mfg	1,848	31,933,185	5,460,211	156,752
333411	Air purification equipment mfg	384	2,237,198	506,351	15,940

Nonemployers: 2002
Data based on 2002 Nonemployer Statistics. Table includes only firms subject to federal income tax. Nonemployers are businesses with no paid employees. Introductory text includes scope and methodology. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.
NAICS code	NAICS Title	All firms		Nonemployers				Employers
		Establish- ments	Receipts ($1,000)	Establishments		Receipts		Establish- ments	Value of shipments ($1,000)
		Establish- ments	Receipts ($1,000)	Number	% of all	$1,000	% of all	Establish- ments	Value of shipments ($1,000)
N = Not available
31-33	Manufacturing	641,208	3,929,538,352	290,380	45.3	13,401,640	0.3	350,828	3,916,136,712
333	Machinery mfg	41,507	253,246,542	13,201	31.8	770,135	0.3	28,306	252,476,407
3334	Ventilation, heating, AC, & commercial refrigeration equip mfg	N	N	N	N	N	N	1,848	31,933,185
33341	Ventilation, heating, AC, & commercial refrigeration equip mfg	N	N	N	N	N	N	1,848	31,933,185
333411	Air purification equipment mfg	N	N	N	N	N	N	384	2,237,198

Definition: NAICS 333411 Air purification equipment manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing stationary air purification equipment, such as industrial dust and fume collection equipment, electrostatic precipitation equipment, warm air furnace filters, air washers, and other dust collection equipment.

Cross-References. Establishments primarily engaged in--

Manufacturing air-conditioning units (except motor vehicle)--are classified in U.S. Industry 333415, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing;
Manufacturing motor vehicle air-conditioning systems and compressors--are classified in U.S. Industry 336391, Motor Vehicle Air-Conditioning Manufacturing;
Manufacturing household-type fans (except attic) and portable air purification equipment--are classified in U.S. Industry 335211, Electric Housewares and Household Fan Manufacturing; and
Manufacturing industrial and commercial blowers, industrial and commercial exhaust and ventilating fans, and attic fans--are classified in U.S. Industry 333412, Industrial and Commercial Fan and Blower Manufacturing.

Historical comparability

NAICS 333411, Air purification equipment manufacturing, is comparable between 2002 and 1997.

For comparisons with data before 1997, see the Bridge Between 1997 NAICS and 1987 SIC.

Comparative Statistics: 2002 and 1997

Data are in current dollars and have not been adjusted for inflation. Table includes only establishments of firms with payroll. Introductory text includes scope, methodology, non-sampling error, and confidentiality protection. "% change" rows show percent change between 1997 and 2002.
1997 NAICS code	1997 NAICS Description	Year	Establishments	Value of shipments ($1,000)	Annual payroll ($1,000)	Paid employees

333411	Air purification equipment mfg	2002	384	2,237,198	506,351	15,940
		1997	372	2,218,051	479,162	16,447
		% change	3.2	0.9	5.7	-3.1

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Industry
Snapshot

Geographic Distribution -- Air purification equipment manufacturing: 2002

Data for manufacturing industries are published for the U.S., states with 100+ employees, metropolitan areas with 250+ employees, and counties and cities with 500+ employees. Counts of establishments are also published for ZIP Codes.

Table includes only establishments of firms with payroll. Nonemployers are shown above. Introductory text includes scope, methodology, non-sampling error, and confidentiality protection. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.

Other
Indus-
tries

Description

Estab-
lish-
ments

Value of shipments
($1,000)

Value of shipments
% of
U.S.

Value of shipments
per capita
($)

Annual
payroll
($1,000)

Paid
employees

United States

384

2,237,198

100.00

7.76

506,351

15,940

North Carolina

233,911

10.46

28.14

59,216

2,107

Texas

183,093

8.18

8.41

37,584

1,423

Wisconsin

167,235

7.48

30.75

41,805

997

Illinois

166,694

7.45

13.23

39,502

1,150

California

120,212

5.37

3.43

29,427

911

Georgia

92,087

4.12

10.71

15,077

357

Kentucky

85,479

3.82

20.90

18,844

702

Kansas

74,118

3.31

27.30

14,438

398

Ohio

71,600

3.20

6.27

19,307

736

Oregon

61,344

2.74

17.41

15,390

387

Pennsylvania

57,791

2.58

4.69

8,873

285

Michigan

57,477

2.57

5.73

16,291

447

Massachusetts

50,382

2.25

7.83

13,275

334

Missouri

47,088

2.10

8.29

9,807

430

Florida

45,856

2.05

2.75

10,798

417

Colorado

19,922

0.89

4.43

5,293

127

South Carolina

18,387

0.82

4.48

3,982

193

Minnesota

17,569

0.79

3.50

4,525

135

Alabama

17,117

0.77

3.82

5,073

181

Nevada

13,987

0.63

6.45

3,166

127

All other states, including those below

635,849

28.42

134,678

4,096

Indiana

(500-999)

Maryland

(500-999)

Tennessee

(500-999)

Arkansas

(250-499)

Mississippi

(250-499)

New Jersey

(100-249)

New York

(100-249)

Utah

(100-249)

Virginia

(100-249)

Products Lines for Air purification equipment manufacturing
Product code	Product description	Value of shipments of this line ($000)	Percent of industry value (%)
333411	Air purification equipment manufacturing	2,038,235	100.00
33341131	Air filters for AC/furnaces, etc., 2400 CFM/less, exc. parts	702,884	34.48
33341111	Dust collection/air purification equip., ind. gas clean. systems	577,771	28.35
33341132	Other dust collection & air purification equip., exc. parts	537,870	26.39
33341133	Parts for dust collection and air purification equipment	50,015	2.45
	-Other	169,695	8.33

For more product detail, see the AFF links below for Product Lines

Products, Size, and Other Data from the Economic Census -- Air purification equipment manufacturing
Series number	Title	Contents	Geography
EC02-31SG-1	General Summary	Industry Statistics for Industry Groups & Industries	US
EC02-31SP-1	Product Summary	Products Statistics: 2002 & 1997	US
EC02-31SX-1	Industry-Product Analysis Summary	Industry Shipments by Product	US
EC02-31SX-1	Industry-Product Analysis Summary	Product Shipments by Contributing Industry	US
EC02-31A	Geographic Area Series	Industry Statistics for the States, Metropolitan & Micropolitan Statistical Areas, Counties, and Places	States
EC02-31I-333411	Industry Series (data may be inconsistent with final figures in Summary Series)	Historical Statistics for the Industry: 2002 & Earlier Years	US
		Detailed Statistics by Industry	US
		Industry Statistics by Employment Size	US
		Industry Statistics by Primary Product Class Specialization	US
		Detailed Miscellaneous Receipts by Industry	US

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Data from the Other Census Bureau Programs -- NAICS 333411
Title (with link to data)	Frequency	Contents	Geography
County Business Patterns	Annual	Employees; payroll; number of establishments by employment size of establishment	US, states, metro areas, counties
Statistics of U.S. Businesses	Annual	Number of firms, employees, payroll, (and revenue, for 2002 only) by employment-size of the enterprise	US, states, metro areas
U.S. International Trade Statistics	Monthly	Value of exports and imports by country [select 3-digit NAICS, then select 6-digit NAICS]	US