- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (113)
- Construction & Mining
- Oil And Gas Extraction (3)
- Building Construction General Contractors And Operative Builders (182)
- Heavy Construction Other Than Building Construction Contractors (11)
- Construction Special Trade Contractors (336)
- Manufacturing
- Food And Kindred Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (9)
- Furniture And Fixtures (7)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (24)
- Chemicals And Allied Products (4)
- Stone, Clay, Glass, And Concrete Products (11)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (7)
- Industrial And Commercial Machinery And Computer Equipment (14)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (9)
- Transportation Equipment (5)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (16)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (7)
- Motor Freight Transportation And Warehousing (93)
- United States Postal Service (1)
- Water Transportation (2)
- Transportation By Air (1)
- Transportation Services (51)
- Communications (50)
- Electric, Gas, And Sanitary Services (2)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (93)
- Wholesale Trade-non-durable Goods (59)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (22)
- General Merchandise Stores (11)
- Food Stores (66)
- Automotive Dealers And Gasoline Service Stations (54)
- Apparel And Accessory Stores (84)
- Home Furniture, Furnishings, And Equipment Stores (88)
- Eating And Drinking Places (121)
- Miscellaneous Retail (211)
- Finance, Insurance & Real Estate (con't)
- Real Estate (141)
- Holding And Other Investment Offices (108)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (20)
- Personal Services (175)
- Business Services (1140)
- Automotive Repair, Services, And Parking (75)
- Miscellaneous Repair Services (104)
- Motion Pictures (35)
- Amusement And Recreation Services (91)
- Health Services (177)
- Legal Services (14)
- Educational Services (33)
- Social Services (34)
- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (126)
- Engineering, Accounting, Research, Management, And Related Services (175)
- Miscellaneous Services (79)
