- Agriculture, Forestry & Fishing
- Agricultural Production Crops (3)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (68)
- Construction & Mining
- Oil And Gas Extraction (12)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (6)
- Building Construction General Contractors And Operative Builders (138)
- Heavy Construction Other Than Building Construction Contractors (18)
- Construction Special Trade Contractors (182)
- Manufacturing
- Food And Kindred Products (7)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (12)
- Lumber And Wood Products, Except Furniture (6)
- Furniture And Fixtures (4)
- Paper And Allied Products (3)
- Printing, Publishing, And Allied Industries (26)
- Chemicals And Allied Products (9)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (3)
- Stone, Clay, Glass, And Concrete Products (10)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (16)
- Industrial And Commercial Machinery And Computer Equipment (26)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (14)
- Transportation Equipment (10)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (11)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (31)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (17)
- Motor Freight Transportation And Warehousing (79)
- United States Postal Service (1)
- Water Transportation (2)
- Transportation By Air (4)
- Transportation Services (41)
- Communications (49)
- Electric, Gas, And Sanitary Services (7)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (180)
- Wholesale Trade-non-durable Goods (86)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (35)
- General Merchandise Stores (18)
- Food Stores (92)
- Automotive Dealers And Gasoline Service Stations (69)
- Apparel And Accessory Stores (51)
- Home Furniture, Furnishings, And Equipment Stores (84)
- Eating And Drinking Places (134)
- Miscellaneous Retail (253)
- Finance, Insurance & Real Estate (con't)
- Real Estate (141)
- Holding And Other Investment Offices (74)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (17)
- Personal Services (191)
- Business Services (1062)
- Automotive Repair, Services, And Parking (84)
- Miscellaneous Repair Services (132)
- Motion Pictures (20)
- Amusement And Recreation Services (64)
- Health Services (131)
- Legal Services (11)
- Educational Services (46)
- Social Services (53)
- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (120)
- Engineering, Accounting, Research, Management, And Related Services (247)
- Miscellaneous Services (82)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (9)
- Justice, Public Order, And Safety (4)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Environmental Quality And Housing Programs (1)
- Administration Of Economic Programs (3)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (611)
