- Agriculture, Forestry & Fishing
- Agricultural Production Crops (129)
- Agriculture production livestock and animal specialties (17)
- Agricultural Services (674)
- Forestry (13)
- Fishing, hunting, and trapping (9)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (13)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (13)
- Building Construction General Contractors And Operative Builders (1741)
- Heavy Construction Other Than Building Construction Contractors (157)
- Construction Special Trade Contractors (2020)
- Manufacturing
- Food And Kindred Products (64)
- Tobacco Products (2)
- Textile Mill Products (25)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (45)
- Lumber And Wood Products, Except Furniture (105)
- Furniture And Fixtures (36)
- Paper And Allied Products (22)
- Printing, Publishing, And Allied Industries (364)
- Chemicals And Allied Products (87)
- Petroleum Refining And Related Industries (9)
- Rubber And Miscellaneous Plastics Products (25)
- Leather And Leather Products (11)
- Stone, Clay, Glass, And Concrete Products (54)
- Primary Metal Industries (17)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (81)
- Industrial And Commercial Machinery And Computer Equipment (132)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (139)
- Transportation Equipment (17)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (98)
- Miscellaneous Manufacturing Industries (154)
- Transportation & Utilities
- Railroad Transportation (6)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (151)
- Motor Freight Transportation And Warehousing (435)
- United States Postal Service (23)
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- Pipelines, Except Natural Gas (1)
- Transportation Services (337)
- Communications (447)
- Electric, Gas, And Sanitary Services (115)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1475)
- Wholesale Trade-non-durable Goods (629)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (337)
- General Merchandise Stores (114)
- Food Stores (612)
- Automotive Dealers And Gasoline Service Stations (500)
- Apparel And Accessory Stores (569)
- Home Furniture, Furnishings, And Equipment Stores (760)
- Eating And Drinking Places (1528)
- Miscellaneous Retail (1711)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (149)
- Insurance Agents, Brokers, And Service (589)
- Real Estate (2894)
- Holding And Other Investment Offices (1100)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (191)
- Personal Services (1728)
- Business Services (10257)
- Automotive Repair, Services, And Parking (757)
- Miscellaneous Repair Services (667)
- Motion Pictures (213)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (43)
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- Engineering, Accounting, Research, Management, And Related Services (3530)
- Miscellaneous Services (670)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (202)
- Justice, Public Order, And Safety (138)
- Public Finance, Taxation, And Monetary Policy (17)
- Administration Of Human Resource Programs (118)
- Administration Of Environmental Quality And Housing Programs (93)
- Administration Of Economic Programs (199)
- National Security And International Affairs (35)
- Nonclassifiable Establishments (5200)