SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
17	SPECIAL TRADE CONTRACTORS	1,455
20	FOOD AND KINDRED PRODUCTS	2,957
24	LUMBER AND WOOD PRODUCTS	460
26	PAPER AND ALLIED PRODUCTS	24
27	PRINTING AND PUBLISHING	1,170	142
28	CHEMICALS AND ALLIED PRODUCTS	4,503	524
29	PETROLEUM AND COAL PRODUCTS	263
32	STONE, CLAY, AND GLASS PRODUCTS	5,416
33	PRIMARY METAL INDUSTRIES	1,384
34	FABRICATED METAL PRODUCTS	683	47
35	MACHINERY, EXCEPT ELECTRICAL	6,536
36	ELECTRIC AND ELECTRONIC EQUIPMENT	2,046	1,378
37	TRANSPORTATION EQUIPMENT	4,189	83
38	INSTRUMENTS AND RELATED PRODUCTS	68
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	212
41	LOCAL AND INTERURBAN PASSENGER TRANSIT	1,127
44	WATER TRANSPORTATION	1,752
50	WHOLESALE TRADE - DURABLE GOODS	3,349	18
55	AUTOMOTIVE DEALERS & SERVICE STATIONS	3,261
75	AUTO REPAIR, SERVICES, AND GARAGES	9,219
76	MISCELLANEOUS REPAIR SERVICES	204
80	HEALTH SERVICES	241
TOTAL		50,518	2,191

*(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.