- Agriculture, Forestry & Fishing
- Agricultural Production Crops (18)
- Agriculture production livestock and animal specialties (34)
- Agricultural Services (23)
- Forestry (8)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Metal Mining (11)
- Coal Mining (4)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (4)
- Building Construction General Contractors And Operative Builders (23)
- Heavy Construction Other Than Building Construction Contractors (8)
- Construction Special Trade Contractors (54)
- Manufacturing
- Food And Kindred Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (4)
- Chemicals And Allied Products (3)
- Rubber And Miscellaneous Plastics Products (1)
- Stone, Clay, Glass, And Concrete Products (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (1)
- Industrial And Commercial Machinery And Computer Equipment (6)
- Transportation Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (4)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Motor Freight Transportation And Warehousing (37)
- United States Postal Service (1)
- Water Transportation (2)
- Transportation By Air (2)
- Transportation Services (10)
- Communications (15)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (38)
- Wholesale Trade-non-durable Goods (26)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (19)
- General Merchandise Stores (4)
- Food Stores (23)
- Automotive Dealers And Gasoline Service Stations (35)
- Apparel And Accessory Stores (14)
- Home Furniture, Furnishings, And Equipment Stores (17)
- Eating And Drinking Places (42)
- Miscellaneous Retail (72)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (7)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (37)
- Personal Services (50)
- Business Services (197)
- Automotive Repair, Services, And Parking (35)
- Miscellaneous Repair Services (34)
- Motion Pictures (3)
- Amusement And Recreation Services (14)
- Health Services (44)
- Legal Services (9)
- Educational Services (21)
- Social Services (25)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (29)
- Engineering, Accounting, Research, Management, And Related Services (28)
- Miscellaneous Services (11)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (6)
- Justice, Public Order, And Safety (17)
- Administration Of Human Resource Programs (10)
- Administration Of Environmental Quality And Housing Programs (7)
- Administration Of Economic Programs (6)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (115)
