- Agriculture, Forestry & Fishing
- Agricultural Production Crops (10)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (52)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (82)
- Heavy Construction Other Than Building Construction Contractors (7)
- Construction Special Trade Contractors (168)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (4)
- Lumber And Wood Products, Except Furniture (9)
- Furniture And Fixtures (8)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (20)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (8)
- Stone, Clay, Glass, And Concrete Products (4)
- Primary Metal Industries (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (20)
- Industrial And Commercial Machinery And Computer Equipment (33)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (21)
- Transportation Equipment (4)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (8)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (11)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Motor Freight Transportation And Warehousing (34)
- United States Postal Service (1)
- Transportation By Air (6)
- Transportation Services (16)
- Communications (16)
- Electric, Gas, And Sanitary Services (14)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (102)
- Wholesale Trade-non-durable Goods (24)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (20)
- General Merchandise Stores (3)
- Food Stores (37)
- Automotive Dealers And Gasoline Service Stations (28)
- Apparel And Accessory Stores (13)
- Home Furniture, Furnishings, And Equipment Stores (31)
- Eating And Drinking Places (53)
- Miscellaneous Retail (95)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (26)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (4)
- Personal Services (73)
- Business Services (552)
- Automotive Repair, Services, And Parking (59)
- Miscellaneous Repair Services (45)
- Motion Pictures (11)
- Amusement And Recreation Services (40)
- Health Services (92)
- Legal Services (30)
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- Social Services (52)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (40)
- Engineering, Accounting, Research, Management, And Related Services (147)
- Miscellaneous Services (21)
