- Agriculture, Forestry & Fishing
- Agricultural Production Crops (2)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (41)
- Construction & Mining
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (85)
- Heavy Construction Other Than Building Construction Contractors (23)
- Construction Special Trade Contractors (232)
- Manufacturing
- Food And Kindred Products (7)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (6)
- Lumber And Wood Products, Except Furniture (28)
- Furniture And Fixtures (20)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (18)
- Chemicals And Allied Products (16)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (20)
- Stone, Clay, Glass, And Concrete Products (19)
- Primary Metal Industries (10)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (31)
- Industrial And Commercial Machinery And Computer Equipment (28)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (12)
- Transportation Equipment (7)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (7)
- Miscellaneous Manufacturing Industries (12)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (11)
- Motor Freight Transportation And Warehousing (71)
- United States Postal Service (3)
- Water Transportation (1)
- Transportation By Air (2)
- Transportation Services (13)
- Communications (6)
- Electric, Gas, And Sanitary Services (12)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (139)
- Wholesale Trade-non-durable Goods (59)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (36)
- General Merchandise Stores (15)
- Food Stores (71)
- Automotive Dealers And Gasoline Service Stations (51)
- Apparel And Accessory Stores (49)
- Home Furniture, Furnishings, And Equipment Stores (48)
- Eating And Drinking Places (119)
- Miscellaneous Retail (155)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (19)
- Real Estate (28)
- Holding And Other Investment Offices (53)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (7)
- Personal Services (114)
- Business Services (179)
- Automotive Repair, Services, And Parking (79)
- Miscellaneous Repair Services (66)
- Motion Pictures (23)
- Amusement And Recreation Services (65)
- Health Services (98)
- Legal Services (13)
- Educational Services (29)
- Social Services (40)
- Membership Organizations (26)
- Engineering, Accounting, Research, Management, And Related Services (113)
- Miscellaneous Services (4)