- Agriculture, Forestry & Fishing
- Agricultural Production Crops (24)
- Agriculture production livestock and animal specialties (33)
- Agricultural Services (170)
- Forestry (2)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (1)
- Oil And Gas Extraction (3)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (6)
- Building Construction General Contractors And Operative Builders (426)
- Heavy Construction Other Than Building Construction Contractors (62)
- Construction Special Trade Contractors (825)
- Manufacturing
- Food And Kindred Products (38)
- Textile Mill Products (16)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (43)
- Lumber And Wood Products, Except Furniture (42)
- Furniture And Fixtures (43)
- Paper And Allied Products (14)
- Printing, Publishing, And Allied Industries (124)
- Chemicals And Allied Products (54)
- Petroleum Refining And Related Industries (8)
- Rubber And Miscellaneous Plastics Products (57)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (38)
- Primary Metal Industries (22)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (118)
- Industrial And Commercial Machinery And Computer Equipment (157)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (61)
- Manufacturing (con't)
- Transportation Equipment (66)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (40)
- Miscellaneous Manufacturing Industries (97)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (43)
- Motor Freight Transportation And Warehousing (248)
- United States Postal Service (1)
- Water Transportation (5)
- Transportation By Air (14)
- Transportation Services (191)
- Communications (108)
- Electric, Gas, And Sanitary Services (41)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (731)
- Wholesale Trade-non-durable Goods (322)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (139)
- General Merchandise Stores (31)
- Food Stores (187)
- Automotive Dealers And Gasoline Service Stations (269)
- Apparel And Accessory Stores (187)
- Home Furniture, Furnishings, And Equipment Stores (275)
- Eating And Drinking Places (429)
- Miscellaneous Retail (596)
- Finance, Insurance & Real Estate (con't)
- Real Estate (585)
- Holding And Other Investment Offices (237)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (48)
- Personal Services (478)
- Business Services (3344)
- Automotive Repair, Services, And Parking (278)
- Miscellaneous Repair Services (346)
- Motion Pictures (61)
- Amusement And Recreation Services (210)
- Health Services (589)
- Legal Services (105)
- Educational Services (128)
- Social Services (178)
- Museums, Art Galleries, And Botanical And Zoological Gardens (13)
- Membership Organizations (257)
- Engineering, Accounting, Research, Management, And Related Services (855)
- Miscellaneous Services (180)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (14)
- Justice, Public Order, And Safety (16)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (10)
- Administration Of Environmental Quality And Housing Programs (8)
- Administration Of Economic Programs (3)
- National Security And International Affairs (9)
- Nonclassifiable Establishments (1449)
