- Agriculture, Forestry & Fishing
- Agricultural Production Crops (144)
- Agriculture production livestock and animal specialties (36)
- Agricultural Services (903)
- Forestry (21)
- Fishing, hunting, and trapping (10)
- Construction & Mining
- Metal Mining (5)
- Coal Mining (3)
- Oil And Gas Extraction (40)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (20)
- Building Construction General Contractors And Operative Builders (2957)
- Heavy Construction Other Than Building Construction Contractors (230)
- Construction Special Trade Contractors (2504)
- Manufacturing
- Food And Kindred Products (232)
- Tobacco Products (3)
- Textile Mill Products (100)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (199)
- Lumber And Wood Products, Except Furniture (136)
- Furniture And Fixtures (125)
- Paper And Allied Products (154)
- Printing, Publishing, And Allied Industries (1110)
- Chemicals And Allied Products (264)
- Petroleum Refining And Related Industries (32)
- Rubber And Miscellaneous Plastics Products (108)
- Leather And Leather Products (23)
- Stone, Clay, Glass, And Concrete Products (150)
- Primary Metal Industries (60)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (185)
- Industrial And Commercial Machinery And Computer Equipment (264)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (255)
- Transportation Equipment (86)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (153)
- Miscellaneous Manufacturing Industries (440)
- Transportation & Utilities
- Railroad Transportation (39)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (437)
- Motor Freight Transportation And Warehousing (1155)
- United States Postal Service (66)
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- Transportation By Air (261)
- Pipelines, Except Natural Gas (5)
- Transportation Services (1403)
- Communications (1740)
- Electric, Gas, And Sanitary Services (319)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (3546)
- Wholesale Trade-non-durable Goods (2261)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (498)
- General Merchandise Stores (251)
- Food Stores (1711)
- Automotive Dealers And Gasoline Service Stations (1217)
- Apparel And Accessory Stores (1882)
- Home Furniture, Furnishings, And Equipment Stores (1759)
- Eating And Drinking Places (4575)
- Miscellaneous Retail (4447)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (1202)
- Real Estate (7548)
- Holding And Other Investment Offices (4008)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (889)
- Personal Services (4569)
- Business Services (28432)
- Automotive Repair, Services, And Parking (1747)
- Miscellaneous Repair Services (2029)
- Motion Pictures (1001)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (179)
- Membership Organizations (4091)
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- Miscellaneous Services (1704)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (249)
- Justice, Public Order, And Safety (267)
- Public Finance, Taxation, And Monetary Policy (57)
- Administration Of Human Resource Programs (327)
- Administration Of Environmental Quality And Housing Programs (238)
- Administration Of Economic Programs (219)
- National Security And International Affairs (132)
- Nonclassifiable Establishments (19603)
