- Agriculture, Forestry & Fishing
- Agricultural Production Crops (51)
- Agriculture production livestock and animal specialties (32)
- Agricultural Services (452)
- Forestry (11)
- Fishing, hunting, and trapping (9)
- Construction & Mining
- Metal Mining (1)
- Oil And Gas Extraction (62)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (11)
- Building Construction General Contractors And Operative Builders (1005)
- Heavy Construction Other Than Building Construction Contractors (112)
- Construction Special Trade Contractors (1253)
- Manufacturing
- Food And Kindred Products (56)
- Tobacco Products (1)
- Textile Mill Products (18)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (58)
- Lumber And Wood Products, Except Furniture (62)
- Furniture And Fixtures (22)
- Paper And Allied Products (15)
- Printing, Publishing, And Allied Industries (227)
- Chemicals And Allied Products (97)
- Petroleum Refining And Related Industries (12)
- Rubber And Miscellaneous Plastics Products (29)
- Leather And Leather Products (12)
- Stone, Clay, Glass, And Concrete Products (61)
- Primary Metal Industries (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (96)
- Industrial And Commercial Machinery And Computer Equipment (111)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (57)
- Transportation Equipment (28)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (58)
- Miscellaneous Manufacturing Industries (217)
- Transportation & Utilities
- Railroad Transportation (7)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (61)
- Motor Freight Transportation And Warehousing (455)
- United States Postal Service (14)
- Water Transportation (32)
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- Pipelines, Except Natural Gas (5)
- Transportation Services (218)
- Communications (308)
- Electric, Gas, And Sanitary Services (87)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1319)
- Wholesale Trade-non-durable Goods (478)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (277)
- General Merchandise Stores (103)
- Food Stores (568)
- Automotive Dealers And Gasoline Service Stations (650)
- Apparel And Accessory Stores (563)
- Home Furniture, Furnishings, And Equipment Stores (552)
- Eating And Drinking Places (1252)
- Miscellaneous Retail (1433)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (168)
- Insurance Agents, Brokers, And Service (586)
- Real Estate (1696)
- Holding And Other Investment Offices (632)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (144)
- Personal Services (1519)
- Business Services (8846)
- Automotive Repair, Services, And Parking (672)
- Miscellaneous Repair Services (454)
- Motion Pictures (186)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (42)
- Membership Organizations (1547)
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- Miscellaneous Services (448)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (194)
- Justice, Public Order, And Safety (170)
- Public Finance, Taxation, And Monetary Policy (42)
- Administration Of Human Resource Programs (262)
- Administration Of Environmental Quality And Housing Programs (227)
- Administration Of Economic Programs (203)
- National Security And International Affairs (20)
- Nonclassifiable Establishments (4885)