- Agriculture, Forestry & Fishing
- Agricultural Production Crops (19)
- Agriculture production livestock and animal specialties (54)
- Agricultural Services (44)
- Forestry (6)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Oil And Gas Extraction (18)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (4)
- Building Construction General Contractors And Operative Builders (55)
- Heavy Construction Other Than Building Construction Contractors (16)
- Construction Special Trade Contractors (125)
- Manufacturing
- Food And Kindred Products (8)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (4)
- Lumber And Wood Products, Except Furniture (12)
- Furniture And Fixtures (3)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (12)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (5)
- Rubber And Miscellaneous Plastics Products (2)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (6)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (12)
- Industrial And Commercial Machinery And Computer Equipment (9)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Transportation Equipment (1)
- Miscellaneous Manufacturing Industries (13)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (22)
- United States Postal Service (1)
- Transportation By Air (4)
- Transportation Services (10)
- Communications (23)
- Electric, Gas, And Sanitary Services (12)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (79)
- Wholesale Trade-non-durable Goods (46)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (26)
- General Merchandise Stores (7)
- Food Stores (31)
- Automotive Dealers And Gasoline Service Stations (35)
- Apparel And Accessory Stores (16)
- Home Furniture, Furnishings, And Equipment Stores (37)
- Eating And Drinking Places (65)
- Miscellaneous Retail (149)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (16)
- Real Estate (86)
- Holding And Other Investment Offices (24)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (76)
- Personal Services (46)
- Business Services (457)
- Automotive Repair, Services, And Parking (44)
- Miscellaneous Repair Services (54)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (14)
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- Miscellaneous Services (26)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (10)
- Justice, Public Order, And Safety (11)
- Administration Of Human Resource Programs (5)
- Administration Of Environmental Quality And Housing Programs (12)
- Administration Of Economic Programs (4)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (232)