- Agriculture, Forestry & Fishing
- Agricultural Production Crops (7)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (50)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (143)
- Heavy Construction Other Than Building Construction Contractors (15)
- Construction Special Trade Contractors (180)
- Manufacturing
- Food And Kindred Products (1)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (9)
- Lumber And Wood Products, Except Furniture (3)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (25)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (1)
- Stone, Clay, Glass, And Concrete Products (5)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (12)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (4)
- Transportation Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (9)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (30)
- Motor Freight Transportation And Warehousing (85)
- United States Postal Service (1)
- Transportation By Air (6)
- Transportation Services (59)
- Communications (20)
- Electric, Gas, And Sanitary Services (4)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (54)
- Wholesale Trade-non-durable Goods (29)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (15)
- General Merchandise Stores (13)
- Food Stores (35)
- Automotive Dealers And Gasoline Service Stations (36)
- Apparel And Accessory Stores (38)
- Home Furniture, Furnishings, And Equipment Stores (45)
- Eating And Drinking Places (87)
- Miscellaneous Retail (115)
- Finance, Insurance & Real Estate (con't)
- Real Estate (116)
- Holding And Other Investment Offices (61)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (130)
- Business Services (831)
- Automotive Repair, Services, And Parking (125)
- Miscellaneous Repair Services (64)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (113)
- Engineering, Accounting, Research, Management, And Related Services (241)
- Miscellaneous Services (44)
