SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
07	AGRICULTURAL SERVICES	4,068
13	OIL AND GAS EXTRACTION	7,994
15	GENERAL BUILDING CONTRACTORS	3,331
16	HEAVY CONSTRUCTION CONTRACTORS	205
17	SPECIAL TRADE CONTRACTORS	6,374
20	FOOD AND KINDRED PRODUCTS	210
22	TEXTILE MILL PRODUCTS	666
23	APPAREL AND OTHER TEXTILE PRODUCTS	274	274
24	LUMBER AND WOOD PRODUCTS	1,031
26	PAPER AND ALLIED PRODUCTS	19
28	CHEMICALS AND ALLIED PRODUCTS	18,828	3,335
32	STONE, CLAY, AND GLASS PRODUCTS	1,218
33	PRIMARY METAL INDUSTRIES	1,190
34	FABRICATED METAL PRODUCTS	653	545
35	MACHINERY, EXCEPT ELECTRICAL	5,381	169
36	ELECTRIC AND ELECTRONIC EQUIPMENT	4,529	814
37	TRANSPORTATION EQUIPMENT	3,162	981
38	INSTRUMENTS AND RELATED PRODUCTS	1,134	344
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	3,230	129
41	LOCAL AND INTERURBAN PASSENGER TRANSIT	2,836
42	TRUCKING AND WAREHOUSING	469
45	TRANSPORTATION BY AIR	412
49	ELECTRIC, GAS, AND SANITARY SERVICES	978
50	WHOLESALE TRADE - DURABLE GOODS	4,324
55	AUTOMOTIVE DEALERS & SERVICE STATIONS	853	427
73	BUSINESS SERVICES	9,040	750
75	AUTO REPAIR, SERVICES, AND GARAGES	3,411
80	HEALTH SERVICES	6,609	3,862
TOTAL		92,428	11,630

*(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.