SIC	Industry Description (1972)	Total # Employees (Male & Female)	Total # Female Employees
13	OIL AND GAS EXTRACTION	7,330
15	GENERAL BUILDING CONTRACTORS	635
16	HEAVY CONSTRUCTION CONTRACTORS	6,209
17	SPECIAL TRADE CONTRACTORS	13,287
20	FOOD AND KINDRED PRODUCTS	2,063
22	TEXTILE MILL PRODUCTS	112
23	APPAREL AND OTHER TEXTILE PRODUCTS	19
24	LUMBER AND WOOD PRODUCTS	247
26	PAPER AND ALLIED PRODUCTS	676
27	PRINTING AND PUBLISHING	387
28	CHEMICALS AND ALLIED PRODUCTS	3,812	108
29	PETROLEUM AND COAL PRODUCTS	2,942	128
31	LEATHER AND LEATHER PRODUCTS	36
32	STONE, CLAY, AND GLASS PRODUCTS	5,211
33	PRIMARY METAL INDUSTRIES	5,567	29
34	FABRICATED METAL PRODUCTS	115
35	MACHINERY, EXCEPT ELECTRICAL	7,501	108
36	ELECTRIC AND ELECTRONIC EQUIPMENT	1,492	162
37	TRANSPORTATION EQUIPMENT	966	55
38	INSTRUMENTS AND RELATED PRODUCTS	29
39	MISCELLANEOUS MANUFACTURING INDUSTRIES	271
40	RAILROAD TRANSPORTATION	1,293
41	LOCAL AND INTERURBAN PASSENGER TRANSIT	4,192
44	WATER TRANSPORTATION	762
45	TRANSPORTATION BY AIR	1,451
47	TRANSPORTATION SERVICES	172
49	ELECTRIC, GAS, AND SANITARY SERVICES	14,880
50	WHOLESALE TRADE - DURABLE GOODS	2,055
51	WHOLESALE TRADE - NONDURABLE GOODS	2,393
55	AUTOMOTIVE DEALERS & SERVICE STATIONS	6,265
73	BUSINESS SERVICES	78
75	AUTO REPAIR, SERVICES, AND GARAGES	3,534
80	HEALTH SERVICES	364
TOTAL		96,345	590