- Agriculture, Forestry & Fishing
- Agricultural Production Crops (10)
- Agricultural Services (48)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (135)
- Heavy Construction Other Than Building Construction Contractors (19)
- Construction Special Trade Contractors (220)
- Manufacturing
- Food And Kindred Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (7)
- Lumber And Wood Products, Except Furniture (4)
- Furniture And Fixtures (4)
- Paper And Allied Products (7)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (9)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (4)
- Stone, Clay, Glass, And Concrete Products (4)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (10)
- Industrial And Commercial Machinery And Computer Equipment (32)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (16)
- Transportation Equipment (2)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (10)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (13)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (24)
- Motor Freight Transportation And Warehousing (59)
- United States Postal Service (1)
- Transportation By Air (1)
- Transportation Services (44)
- Communications (29)
- Electric, Gas, And Sanitary Services (6)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (121)
- Wholesale Trade-non-durable Goods (60)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (28)
- General Merchandise Stores (6)
- Food Stores (47)
- Automotive Dealers And Gasoline Service Stations (36)
- Apparel And Accessory Stores (17)
- Home Furniture, Furnishings, And Equipment Stores (35)
- Eating And Drinking Places (91)
- Miscellaneous Retail (128)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (41)
- Real Estate (98)
- Holding And Other Investment Offices (16)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (5)
- Personal Services (123)
- Business Services (696)
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- Miscellaneous Repair Services (83)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (55)
- Engineering, Accounting, Research, Management, And Related Services (175)
- Miscellaneous Services (34)
