- Agriculture, Forestry & Fishing
- Agricultural Production Crops (13)
- Agriculture production livestock and animal specialties (6)
- Agricultural Services (62)
- Forestry (3)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (98)
- Heavy Construction Other Than Building Construction Contractors (20)
- Construction Special Trade Contractors (167)
- Manufacturing
- Food And Kindred Products (6)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (7)
- Lumber And Wood Products, Except Furniture (18)
- Furniture And Fixtures (9)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (20)
- Chemicals And Allied Products (7)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (4)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (10)
- Primary Metal Industries (12)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (23)
- Industrial And Commercial Machinery And Computer Equipment (17)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (7)
- Transportation Equipment (13)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (10)
- Miscellaneous Manufacturing Industries (21)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (16)
- Motor Freight Transportation And Warehousing (59)
- United States Postal Service (3)
- Transportation By Air (2)
- Pipelines, Except Natural Gas (1)
- Transportation Services (20)
- Communications (49)
- Electric, Gas, And Sanitary Services (21)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (142)
- Wholesale Trade-non-durable Goods (49)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (50)
- General Merchandise Stores (31)
- Food Stores (90)
- Automotive Dealers And Gasoline Service Stations (157)
- Apparel And Accessory Stores (61)
- Home Furniture, Furnishings, And Equipment Stores (77)
- Eating And Drinking Places (131)
- Miscellaneous Retail (241)
- Finance, Insurance & Real Estate (con't)
- Real Estate (123)
- Holding And Other Investment Offices (25)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (26)
- Personal Services (184)
- Business Services (760)
- Automotive Repair, Services, And Parking (124)
- Miscellaneous Repair Services (69)
- Motion Pictures (6)
- Amusement And Recreation Services (52)
- Health Services (248)
- Legal Services (82)
- Educational Services (58)
- Social Services (117)
- Museums, Art Galleries, And Botanical And Zoological Gardens (5)
- Membership Organizations (235)
- Engineering, Accounting, Research, Management, And Related Services (125)
- Miscellaneous Services (20)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (14)
- Justice, Public Order, And Safety (20)
- Public Finance, Taxation, And Monetary Policy (4)
- Administration Of Human Resource Programs (18)
- Administration Of Environmental Quality And Housing Programs (12)
- Administration Of Economic Programs (11)
- National Security And International Affairs (20)
- Nonclassifiable Establishments (218)
