10

Metal mining

48

Communications

12

Coal mining

49

Electric, gas, and sanitary services

13

Oil and gas extraction

50

Wholesale trade-durable goods

14

Extraction of non-metallic minerals, except fuels

51

Wholesale trade-nondurable goods

15

Building construction - General Contractors (Limited to firms in East North Central, East South Central, Middle Atlantic and West South Central Regions comprising the following states: AL, AR, IL, IN, KY, LA, MI, MS, NJ, NY, OH, OK, PA, TN, TX, and WI)

52

Building materials, hardware, garden supply, and mobile home dealers

16

Heavy Construction, other than Buildings (Limited to firms in East South Central and West South Central Regions comprising the following states: AL, AR, KY, LA, MS, OK, TN, TX)

53

General merchandise stores

17

Construction, Special Trade Contractors (Limited to firms in New England and West North Central Regions comprising the following states: CT, IA, KS, MA, ME, MN, MO, NE, NH, ND, RI, SD, VT)

54

Food stores

22

Textile mill products

55

Automotive dealers and gasoline service stations

23

Apparel and other finished products made from fabrics

56

Apparel and accessories stores

24

Lumber and wood products, except furniture

57

Home furniture, furnishings, and equipment stores

25

Furniture and fixtures

58

Eating and drinking places

26

Paper and allied products

59

Miscellaneous retail

27

Printing, publishing, and allied industries

60

Depository institutions

28

Chemicals and allied products

61

Nondepository adjustment institutions

29

Petroleum refining and related industries

62

Security and commodity brokers, dealers, exchanges, and services

30

Rubber and miscellaneous plastics products

63

Insurance carriers

31

Leather and leather products

64

Insurance agents, brokers, and services

34

Fabricated metal products

65

Real estate

36

Electronic and other electrical equipment and components, except computers

67

Holding and other investment offices

37

Transportation equipment

70

Hotels, rooming houses, camps, and other lodging places

38

Measuring, analyzing, and controlling instruments; photographic, medical and optical goods; watches and clocks

73

Business services

39

Miscellaneous manufacturing industries

75

Automotive repair, services, and parking

41

Local and suburban transit and enter urban highway passenger transportation

76

Miscellaneous repair services

42

Motor freight transportation and warehousing

80

Health services

44

Water transportation

82

Educational services

46

Pipelines, except natural gas

87

Engineering, accounting, research, management, and related services

47

Transportation services

89

Miscellaneous services