- Agriculture, Forestry & Fishing
- Agricultural Production Crops (3)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (65)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (118)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (226)
- Manufacturing
- Food And Kindred Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (15)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (14)
- Chemicals And Allied Products (2)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (2)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (6)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (14)
- Industrial And Commercial Machinery And Computer Equipment (14)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (18)
- Transportation Equipment (5)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (2)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (17)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (22)
- Motor Freight Transportation And Warehousing (36)
- United States Postal Service (1)
- Transportation By Air (1)
- Transportation Services (23)
- Communications (19)
- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (95)
- Wholesale Trade-non-durable Goods (47)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (28)
- General Merchandise Stores (6)
- Food Stores (26)
- Automotive Dealers And Gasoline Service Stations (84)
- Apparel And Accessory Stores (20)
- Home Furniture, Furnishings, And Equipment Stores (41)
- Eating And Drinking Places (76)
- Miscellaneous Retail (118)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (15)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (5)
- Personal Services (63)
- Business Services (485)
- Automotive Repair, Services, And Parking (70)
- Miscellaneous Repair Services (63)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
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- Engineering, Accounting, Research, Management, And Related Services (101)
- Miscellaneous Services (24)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (2)
- Justice, Public Order, And Safety (4)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (1)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (167)