- Agriculture, Forestry & Fishing
- Agricultural Production Crops (32)
- Agriculture production livestock and animal specialties (18)
- Agricultural Services (387)
- Forestry (1)
- Fishing, hunting, and trapping (5)
- Construction & Mining
- Metal Mining (1)
- Oil And Gas Extraction (10)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (4)
- Building Construction General Contractors And Operative Builders (667)
- Heavy Construction Other Than Building Construction Contractors (71)
- Construction Special Trade Contractors (1196)
- Manufacturing
- Food And Kindred Products (35)
- Tobacco Products (3)
- Textile Mill Products (17)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (44)
- Lumber And Wood Products, Except Furniture (53)
- Furniture And Fixtures (31)
- Paper And Allied Products (15)
- Printing, Publishing, And Allied Industries (240)
- Chemicals And Allied Products (71)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (48)
- Leather And Leather Products (2)
- Stone, Clay, Glass, And Concrete Products (39)
- Primary Metal Industries (23)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (98)
- Industrial And Commercial Machinery And Computer Equipment (188)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (77)
- Transportation Equipment (48)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (79)
- Miscellaneous Manufacturing Industries (167)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (80)
- Motor Freight Transportation And Warehousing (257)
- United States Postal Service (7)
- Water Transportation (37)
- Transportation By Air (33)
- Transportation Services (221)
- Communications (277)
- Electric, Gas, And Sanitary Services (53)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (855)
- Wholesale Trade-non-durable Goods (413)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (184)
- General Merchandise Stores (53)
- Food Stores (347)
- Automotive Dealers And Gasoline Service Stations (424)
- Apparel And Accessory Stores (282)
- Home Furniture, Furnishings, And Equipment Stores (445)
- Eating And Drinking Places (917)
- Miscellaneous Retail (1169)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (341)
- Real Estate (1516)
- Holding And Other Investment Offices (660)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (252)
- Personal Services (813)
- Business Services (6054)
- Automotive Repair, Services, And Parking (529)
- Miscellaneous Repair Services (514)
- Motion Pictures (140)
- Amusement And Recreation Services (416)
- Health Services (1425)
- Legal Services (475)
- Educational Services (208)
- Social Services (347)
- Museums, Art Galleries, And Botanical And Zoological Gardens (9)
- Membership Organizations (701)
- Engineering, Accounting, Research, Management, And Related Services (1642)
- Miscellaneous Services (492)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (64)
- Justice, Public Order, And Safety (66)
- Public Finance, Taxation, And Monetary Policy (9)
- Administration Of Human Resource Programs (20)
- Administration Of Environmental Quality And Housing Programs (27)
- Administration Of Economic Programs (30)
- National Security And International Affairs (10)
- Nonclassifiable Establishments (4704)
