- Agriculture, Forestry & Fishing
- Agricultural Production Crops (41)
- Agriculture production livestock and animal specialties (23)
- Agricultural Services (345)
- Forestry (3)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Oil And Gas Extraction (3)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (590)
- Heavy Construction Other Than Building Construction Contractors (56)
- Construction Special Trade Contractors (981)
- Manufacturing
- Food And Kindred Products (10)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (26)
- Lumber And Wood Products, Except Furniture (34)
- Furniture And Fixtures (13)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (65)
- Chemicals And Allied Products (24)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (7)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (33)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (49)
- Industrial And Commercial Machinery And Computer Equipment (48)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (27)
- Manufacturing (con't)
- Transportation Equipment (39)
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- Miscellaneous Manufacturing Industries (81)
- Transportation & Utilities
- Railroad Transportation (2)
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- United States Postal Service (3)
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- Transportation Services (98)
- Communications (121)
- Electric, Gas, And Sanitary Services (33)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (413)
- Wholesale Trade-non-durable Goods (227)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (114)
- General Merchandise Stores (14)
- Food Stores (124)
- Automotive Dealers And Gasoline Service Stations (165)
- Apparel And Accessory Stores (94)
- Home Furniture, Furnishings, And Equipment Stores (228)
- Eating And Drinking Places (392)
- Miscellaneous Retail (562)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (153)
- Real Estate (885)
- Holding And Other Investment Offices (505)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (49)
- Personal Services (399)
- Business Services (4141)
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- Miscellaneous Repair Services (320)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (16)
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- Miscellaneous Services (268)
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- Executive, Legislative, And General Government, Except Finance (15)
- Justice, Public Order, And Safety (13)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (15)
- Administration Of Economic Programs (3)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (2113)