- Agriculture, Forestry & Fishing
- Agricultural Production Crops (53)
- Agriculture production livestock and animal specialties (7)
- Agricultural Services (202)
- Forestry (6)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Oil And Gas Extraction (3)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (493)
- Heavy Construction Other Than Building Construction Contractors (52)
- Construction Special Trade Contractors (487)
- Manufacturing
- Food And Kindred Products (33)
- Tobacco Products (1)
- Textile Mill Products (14)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (31)
- Lumber And Wood Products, Except Furniture (37)
- Furniture And Fixtures (13)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (111)
- Chemicals And Allied Products (30)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (10)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (31)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (35)
- Industrial And Commercial Machinery And Computer Equipment (32)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (27)
- Transportation Equipment (14)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (26)
- Miscellaneous Manufacturing Industries (61)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (27)
- Motor Freight Transportation And Warehousing (147)
- United States Postal Service (4)
- Water Transportation (2)
- Transportation By Air (6)
- Transportation Services (71)
- Communications (104)
- Electric, Gas, And Sanitary Services (34)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (409)
- Wholesale Trade-non-durable Goods (230)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (136)
- General Merchandise Stores (50)
- Food Stores (238)
- Automotive Dealers And Gasoline Service Stations (260)
- Apparel And Accessory Stores (218)
- Home Furniture, Furnishings, And Equipment Stores (244)
- Eating And Drinking Places (602)
- Miscellaneous Retail (775)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (164)
- Real Estate (768)
- Holding And Other Investment Offices (244)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (159)
- Personal Services (538)
- Business Services (2481)
- Automotive Repair, Services, And Parking (275)
- Miscellaneous Repair Services (181)
- Motion Pictures (71)
- Amusement And Recreation Services (256)
- Health Services (877)
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- Educational Services (180)
- Social Services (344)
- Museums, Art Galleries, And Botanical And Zoological Gardens (33)
- Membership Organizations (484)
- Engineering, Accounting, Research, Management, And Related Services (758)
- Miscellaneous Services (148)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (44)
- Justice, Public Order, And Safety (45)
- Public Finance, Taxation, And Monetary Policy (4)
- Administration Of Human Resource Programs (19)
- Administration Of Environmental Quality And Housing Programs (35)
- Administration Of Economic Programs (27)
- National Security And International Affairs (13)
- Nonclassifiable Establishments (1421)