SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
13	OIL AND GAS EXTRACTION	2,468
15	GENERAL BUILDING CONTRACTORS	296
16	HEAVY CONSTRUCTION CONTRACTORS	5,937
17	SPECIAL TRADE CONTRACTORS	6,544
20	FOOD AND KINDRED PRODUCTS	202
22	TEXTILE MILL PRODUCTS	3,192	606
24	LUMBER AND WOOD PRODUCTS	2,947
25	FURNITURE AND FIXTURES	366
26	PAPER AND ALLIED PRODUCTS	1,876	670
27	PRINTING AND PUBLISHING	1,290
28	CHEMICALS AND ALLIED PRODUCTS	218
32	STONE, CLAY, AND GLASS PRODUCTS	6,859
33	PRIMARY METAL INDUSTRIES	752
34	FABRICATED METAL PRODUCTS	695	224
35	MACHINERY, EXCEPT ELECTRICAL	7,222	1,491
36	ELECTRIC AND ELECTRONIC EQUIPMENT	767	569
37	TRANSPORTATION EQUIPMENT	406	17
38	INSTRUMENTS AND RELATED PRODUCTS	98	25
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	223	25
42	TRUCKING AND WAREHOUSING	616
45	TRANSPORTATION BY AIR	2,015
49	ELECTRIC, GAS, AND SANITARY SERVICES	5,570
50	WHOLESALE TRADE - DURABLE GOODS	1,136
55	AUTOMOTIVE DEALERS & SERVICE STATIONS	3,262
73	BUSINESS SERVICES	1,479	230
80	HEALTH SERVICES	3,503	2,388
TOTAL		59,941	6,243

*(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.