- Agriculture, Forestry & Fishing
- Agricultural Production Crops (2)
- Agricultural Services (42)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (64)
- Heavy Construction Other Than Building Construction Contractors (4)
- Construction Special Trade Contractors (122)
- Manufacturing
- Food And Kindred Products (7)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (1)
- Furniture And Fixtures (4)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (13)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (4)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (7)
- Industrial And Commercial Machinery And Computer Equipment (17)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (11)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Miscellaneous Manufacturing Industries (16)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (39)
- Motor Freight Transportation And Warehousing (27)
- United States Postal Service (3)
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- Transportation By Air (1)
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- Communications (21)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (98)
- Wholesale Trade-non-durable Goods (63)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (13)
- General Merchandise Stores (4)
- Food Stores (42)
- Automotive Dealers And Gasoline Service Stations (26)
- Apparel And Accessory Stores (23)
- Home Furniture, Furnishings, And Equipment Stores (45)
- Eating And Drinking Places (84)
- Miscellaneous Retail (116)
- Finance, Insurance & Real Estate (con't)
- Real Estate (90)
- Holding And Other Investment Offices (12)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (2)
- Personal Services (102)
- Business Services (372)
- Automotive Repair, Services, And Parking (40)
- Miscellaneous Repair Services (39)
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- Justice, Public Order, And Safety (4)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (1)
- Administration Of Environmental Quality And Housing Programs (4)
- Nonclassifiable Establishments (90)