SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
13	OIL AND GAS EXTRACTION	7,695
15	GENERAL BUILDING CONTRACTORS	3,326	5
16	HEAVY CONSTRUCTION CONTRACTORS	17,680	235
17	SPECIAL TRADE CONTRACTORS	2,223
20	FOOD AND KINDRED PRODUCTS	7,202	254
21	TOBACCO MANUFACTURERS	76
22	TEXTILE MILL PRODUCTS	10,827	1,749
23	APPAREL AND OTHER TEXTILE PRODUCTS	10,186	8,823
24	LUMBER AND WOOD PRODUCTS	11,894	343
25	FURNITURE AND FIXTURES	366
26	PAPER AND ALLIED PRODUCTS	772
27	PRINTING AND PUBLISHING	10,860	524
28	CHEMICALS AND ALLIED PRODUCTS	4,147
29	PETROLEUM AND COAL PRODUCTS	1,047
30	RUBBER AND MISC. PLASTICS PRODUCTS	473
31	LEATHER AND LEATHER PRODUCTS	179	36
32	STONE, CLAY, AND GLASS PRODUCTS	7,216	985
33	PRIMARY METAL INDUSTRIES	2,667
34	FABRICATED METAL PRODUCTS	4,071	184
35	MACHINERY, EXCEPT ELECTRICAL	10,460	1,032
36	ELECTRIC AND ELECTRONIC EQUIPMENT	4,463	587
37	TRANSPORTATION EQUIPMENT	18,715	1,228
38	INSTRUMENTS AND RELATED PRODUCTS	821	183
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	2,201
41	LOCAL AND INTERURBAN PASSENGER TRANSIT	4,898
42	TRUCKING AND WAREHOUSING	5,738
44	WATER TRANSPORTATION	1,752
45	TRANSPORTATION BY AIR	9,500	243
49	ELECTRIC, GAS, AND SANITARY SERVICES	21,618	743
50	WHOLESALE TRADE - DURABLE GOODS	13,420	46
55	AUTOMOTIVE DEALERS & SERVICE STATIONS	1,463
72	PERSONAL SERVICES	150
73	BUSINESS SERVICES	431
75	AUTO REPAIR, SERVICES, AND GARAGES	5,429
76	MISCELLANEOUS REPAIR SERVICES	1,380
80	HEALTH SERVICES	223
TOTAL		206,251	17,198

*(1) By survey design, not all 2-digit SICs were surveyed. (2) The estimates for each 2-digit SIC apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC. Not all SICs were surveyed. (3) When using the estimates, standard errors associated with estimates should be considered. (4) Potential exposures to a chemical agent are categorized as actual (i.e., the surveyor observed the use of the specific agent) or tradename (i.e., the surveyor observed the use of a tradename product known to contain the specific agent). The estimates presented in the table combine both categories.