- Agriculture, Forestry & Fishing
- Agricultural Production Crops (135)
- Agriculture production livestock and animal specialties (37)
- Agricultural Services (763)
- Forestry (6)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (1)
- Oil And Gas Extraction (9)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (18)
- Building Construction General Contractors And Operative Builders (1686)
- Heavy Construction Other Than Building Construction Contractors (123)
- Construction Special Trade Contractors (2644)
- Manufacturing
- Food And Kindred Products (196)
- Tobacco Products (5)
- Textile Mill Products (40)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (105)
- Lumber And Wood Products, Except Furniture (99)
- Furniture And Fixtures (76)
- Paper And Allied Products (120)
- Printing, Publishing, And Allied Industries (553)
- Chemicals And Allied Products (211)
- Petroleum Refining And Related Industries (20)
- Rubber And Miscellaneous Plastics Products (94)
- Leather And Leather Products (21)
- Stone, Clay, Glass, And Concrete Products (96)
- Primary Metal Industries (68)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (275)
- Industrial And Commercial Machinery And Computer Equipment (399)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (158)
- Transportation Equipment (65)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (150)
- Miscellaneous Manufacturing Industries (283)
- Transportation & Utilities
- Railroad Transportation (13)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (155)
- Motor Freight Transportation And Warehousing (591)
- United States Postal Service (37)
- Water Transportation (35)
- Transportation By Air (56)
- Pipelines, Except Natural Gas (3)
- Transportation Services (391)
- Communications (432)
- Electric, Gas, And Sanitary Services (154)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (2205)
- Wholesale Trade-non-durable Goods (993)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (421)
- General Merchandise Stores (228)
- Food Stores (963)
- Automotive Dealers And Gasoline Service Stations (797)
- Apparel And Accessory Stores (842)
- Home Furniture, Furnishings, And Equipment Stores (864)
- Eating And Drinking Places (2295)
- Miscellaneous Retail (2590)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (873)
- Real Estate (2802)
- Holding And Other Investment Offices (862)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (209)
- Personal Services (2149)
- Business Services (9839)
- Automotive Repair, Services, And Parking (1148)
- Miscellaneous Repair Services (912)
- Motion Pictures (277)
- Amusement And Recreation Services (889)
- Health Services (3441)
- Legal Services (1499)
- Educational Services (1038)
- Social Services (1281)
- Museums, Art Galleries, And Botanical And Zoological Gardens (73)
- Membership Organizations (2110)
- Engineering, Accounting, Research, Management, And Related Services (3589)
- Miscellaneous Services (598)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (167)
- Justice, Public Order, And Safety (203)
- Public Finance, Taxation, And Monetary Policy (16)
- Administration Of Human Resource Programs (121)
- Administration Of Environmental Quality And Housing Programs (105)
- Administration Of Economic Programs (58)
- National Security And International Affairs (26)
- Nonclassifiable Establishments (5283)
