- Agriculture, Forestry & Fishing
- Agricultural Production Crops (60)
- Agriculture production livestock and animal specialties (17)
- Agricultural Services (127)
- Forestry (5)
- Construction & Mining
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (246)
- Heavy Construction Other Than Building Construction Contractors (22)
- Construction Special Trade Contractors (400)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (11)
- Lumber And Wood Products, Except Furniture (14)
- Furniture And Fixtures (7)
- Paper And Allied Products (4)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (9)
- Petroleum Refining And Related Industries (4)
- Rubber And Miscellaneous Plastics Products (16)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (38)
- Industrial And Commercial Machinery And Computer Equipment (57)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (13)
- Transportation Equipment (17)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (8)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (26)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (9)
- Motor Freight Transportation And Warehousing (71)
- United States Postal Service (2)
- Water Transportation (2)
- Transportation By Air (8)
- Transportation Services (22)
- Communications (31)
- Electric, Gas, And Sanitary Services (16)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (158)
- Wholesale Trade-non-durable Goods (52)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (56)
- General Merchandise Stores (13)
- Food Stores (52)
- Automotive Dealers And Gasoline Service Stations (64)
- Apparel And Accessory Stores (69)
- Home Furniture, Furnishings, And Equipment Stores (80)
- Eating And Drinking Places (111)
- Miscellaneous Retail (192)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (28)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (17)
- Personal Services (136)
- Business Services (947)
- Automotive Repair, Services, And Parking (80)
- Miscellaneous Repair Services (80)
- Motion Pictures (15)
- Amusement And Recreation Services (72)
- Health Services (135)
- Legal Services (52)
- Educational Services (59)
- Social Services (107)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (81)
- Engineering, Accounting, Research, Management, And Related Services (207)
- Miscellaneous Services (70)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (18)
- Justice, Public Order, And Safety (9)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (3)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (2)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (222)
