- Agriculture, Forestry & Fishing
- Agricultural Production Crops (104)
- Agriculture production livestock and animal specialties (27)
- Agricultural Services (459)
- Forestry (3)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Oil And Gas Extraction (6)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (10)
- Building Construction General Contractors And Operative Builders (881)
- Heavy Construction Other Than Building Construction Contractors (78)
- Construction Special Trade Contractors (1508)
- Manufacturing
- Food And Kindred Products (44)
- Tobacco Products (1)
- Textile Mill Products (12)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (84)
- Lumber And Wood Products, Except Furniture (52)
- Furniture And Fixtures (28)
- Paper And Allied Products (57)
- Printing, Publishing, And Allied Industries (277)
- Chemicals And Allied Products (67)
- Petroleum Refining And Related Industries (11)
- Rubber And Miscellaneous Plastics Products (69)
- Leather And Leather Products (8)
- Stone, Clay, Glass, And Concrete Products (47)
- Primary Metal Industries (59)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (190)
- Industrial And Commercial Machinery And Computer Equipment (420)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (108)
- Manufacturing (con't)
- Transportation Equipment (81)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (94)
- Miscellaneous Manufacturing Industries (167)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (80)
- Motor Freight Transportation And Warehousing (395)
- United States Postal Service (18)
- Water Transportation (5)
- Transportation By Air (18)
- Pipelines, Except Natural Gas (1)
- Transportation Services (161)
- Communications (260)
- Electric, Gas, And Sanitary Services (99)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1239)
- Wholesale Trade-non-durable Goods (457)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (293)
- General Merchandise Stores (133)
- Food Stores (483)
- Automotive Dealers And Gasoline Service Stations (602)
- Apparel And Accessory Stores (455)
- Home Furniture, Furnishings, And Equipment Stores (502)
- Eating And Drinking Places (1268)
- Miscellaneous Retail (1699)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (476)
- Real Estate (1484)
- Holding And Other Investment Offices (362)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (120)
- Personal Services (1400)
- Business Services (6568)
- Automotive Repair, Services, And Parking (715)
- Miscellaneous Repair Services (508)
- Motion Pictures (151)
- Amusement And Recreation Services (589)
- Health Services (2117)
- Legal Services (562)
- Educational Services (566)
- Social Services (743)
- Museums, Art Galleries, And Botanical And Zoological Gardens (43)
- Membership Organizations (1454)
- Engineering, Accounting, Research, Management, And Related Services (1933)
- Miscellaneous Services (294)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (87)
- Justice, Public Order, And Safety (75)
- Public Finance, Taxation, And Monetary Policy (8)
- Administration Of Human Resource Programs (46)
- Administration Of Environmental Quality And Housing Programs (41)
- Administration Of Economic Programs (17)
- National Security And International Affairs (153)
- Nonclassifiable Establishments (2338)
