SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
13	OIL AND GAS EXTRACTION	40
15	GENERAL BUILDING CONTRACTORS	3,839	5
16	HEAVY CONSTRUCTION CONTRACTORS	1,387	20
17	SPECIAL TRADE CONTRACTORS	18,266
20	FOOD AND KINDRED PRODUCTS	3,141
23	APPAREL AND OTHER TEXTILE PRODUCTS	1,431	1,382
24	LUMBER AND WOOD PRODUCTS	418
25	FURNITURE AND FIXTURES	6,143	1,508
26	PAPER AND ALLIED PRODUCTS	2,453	689
28	CHEMICALS AND ALLIED PRODUCTS	4,729	300
29	PETROLEUM AND COAL PRODUCTS	424
30	RUBBER AND MISC. PLASTICS PRODUCTS	6,514	626
31	LEATHER AND LEATHER PRODUCTS	36
32	STONE, CLAY, AND GLASS PRODUCTS	1,050	29
33	PRIMARY METAL INDUSTRIES	2,703
34	FABRICATED METAL PRODUCTS	13,140	379
35	MACHINERY, EXCEPT ELECTRICAL	13,085	582
36	ELECTRIC AND ELECTRONIC EQUIPMENT	2,732	370
37	TRANSPORTATION EQUIPMENT	23,379	2,589
38	INSTRUMENTS AND RELATED PRODUCTS	13,348	3,842
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	34
41	LOCAL AND INTERURBAN PASSENGER TRANSIT	367
42	TRUCKING AND WAREHOUSING	406
44	WATER TRANSPORTATION	4,340
45	TRANSPORTATION BY AIR	5,764
48	COMMUNICATION	215	29
49	ELECTRIC, GAS, AND SANITARY SERVICES	14,488
50	WHOLESALE TRADE - DURABLE GOODS	2,291
73	BUSINESS SERVICES	358	51
75	AUTO REPAIR, SERVICES, AND GARAGES	11,829
76	MISCELLANEOUS REPAIR SERVICES	1,017
80	HEALTH SERVICES	842	363
TOTAL		160,207	12,764

*(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.