SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
07	AGRICULTURAL SERVICES	1,644
13	OIL AND GAS EXTRACTION	1,597
15	GENERAL BUILDING CONTRACTORS	27,267	5
16	HEAVY CONSTRUCTION CONTRACTORS	71,031	1,319
17	SPECIAL TRADE CONTRACTORS	123,634
20	FOOD AND KINDRED PRODUCTS	3,829
22	TEXTILE MILL PRODUCTS	4,886	945
24	LUMBER AND WOOD PRODUCTS	4,832	7
25	FURNITURE AND FIXTURES	366
26	PAPER AND ALLIED PRODUCTS	24,034	4,994
27	PRINTING AND PUBLISHING	17,765	1,098
28	CHEMICALS AND ALLIED PRODUCTS	1,601	43
29	PETROLEUM AND COAL PRODUCTS	6,446	166
30	RUBBER AND MISC. PLASTICS PRODUCTS	4,170	109
32	STONE, CLAY, AND GLASS PRODUCTS	13,789	266
33	PRIMARY METAL INDUSTRIES	27,088	204
34	FABRICATED METAL PRODUCTS	10,706	164
35	MACHINERY, EXCEPT ELECTRICAL	54,064	7,566
36	ELECTRIC AND ELECTRONIC EQUIPMENT	8,093	925
37	TRANSPORTATION EQUIPMENT	11,304	580
38	INSTRUMENTS AND RELATED PRODUCTS	833	82
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	3,550	454
42	TRUCKING AND WAREHOUSING	5,988
45	TRANSPORTATION BY AIR	344
48	COMMUNICATION	53
49	ELECTRIC, GAS, AND SANITARY SERVICES	10,495
50	WHOLESALE TRADE - DURABLE GOODS	13,366
51	WHOLESALE TRADE - NONDURABLE GOODS	1,359
55	AUTOMOTIVE DEALERS & SERVICE STATIONS	3,212
72	PERSONAL SERVICES	213
73	BUSINESS SERVICES	1,173
75	AUTO REPAIR, SERVICES, AND GARAGES	10,405
80	HEALTH SERVICES	1,532	35
84	MUSEUMS, BOTANICAL, ZOOLOGICAL GARDENS	368
TOTAL		471,039	18,959

*(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.