- Agriculture, Forestry & Fishing
- Agricultural Production Crops (16)
- Agriculture production livestock and animal specialties (5)
- Agricultural Services (59)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (105)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (159)
- Manufacturing
- Food And Kindred Products (8)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (4)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (18)
- Chemicals And Allied Products (4)
- Rubber And Miscellaneous Plastics Products (2)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (4)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (9)
- Industrial And Commercial Machinery And Computer Equipment (11)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (21)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (10)
- Miscellaneous Manufacturing Industries (8)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (14)
- Motor Freight Transportation And Warehousing (28)
- United States Postal Service (1)
- Transportation By Air (1)
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- Communications (20)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (70)
- Wholesale Trade-non-durable Goods (37)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (28)
- General Merchandise Stores (12)
- Food Stores (40)
- Automotive Dealers And Gasoline Service Stations (69)
- Apparel And Accessory Stores (17)
- Home Furniture, Furnishings, And Equipment Stores (43)
- Eating And Drinking Places (85)
- Miscellaneous Retail (140)
- Finance, Insurance & Real Estate (con't)
- Real Estate (74)
- Holding And Other Investment Offices (18)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (96)
- Business Services (444)
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- Miscellaneous Repair Services (62)
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- Miscellaneous Services (22)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (9)
- Justice, Public Order, And Safety (3)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (2)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (143)