- Agriculture, Forestry & Fishing
- Agricultural Production Crops (76)
- Agriculture production livestock and animal specialties (18)
- Agricultural Services (368)
- Forestry (2)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Metal Mining (1)
- Oil And Gas Extraction (5)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (5)
- Building Construction General Contractors And Operative Builders (722)
- Heavy Construction Other Than Building Construction Contractors (119)
- Construction Special Trade Contractors (1101)
- Manufacturing
- Food And Kindred Products (16)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (26)
- Lumber And Wood Products, Except Furniture (49)
- Furniture And Fixtures (13)
- Paper And Allied Products (8)
- Printing, Publishing, And Allied Industries (97)
- Chemicals And Allied Products (22)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (7)
- Leather And Leather Products (2)
- Stone, Clay, Glass, And Concrete Products (20)
- Primary Metal Industries (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (52)
- Industrial And Commercial Machinery And Computer Equipment (84)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (25)
- Manufacturing (con't)
- Transportation Equipment (46)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (35)
- Miscellaneous Manufacturing Industries (62)
- Transportation & Utilities
- Railroad Transportation (5)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (33)
- Motor Freight Transportation And Warehousing (358)
- United States Postal Service (7)
- Water Transportation (22)
- Transportation By Air (11)
- Pipelines, Except Natural Gas (2)
- Transportation Services (152)
- Communications (141)
- Electric, Gas, And Sanitary Services (54)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (528)
- Wholesale Trade-non-durable Goods (202)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (133)
- General Merchandise Stores (88)
- Food Stores (201)
- Automotive Dealers And Gasoline Service Stations (270)
- Apparel And Accessory Stores (214)
- Home Furniture, Furnishings, And Equipment Stores (226)
- Eating And Drinking Places (557)
- Miscellaneous Retail (710)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (130)
- Real Estate (637)
- Holding And Other Investment Offices (195)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (79)
- Personal Services (663)
- Business Services (3145)
- Automotive Repair, Services, And Parking (343)
- Miscellaneous Repair Services (406)
- Motion Pictures (62)
- Amusement And Recreation Services (228)
- Health Services (772)
- Legal Services (135)
- Educational Services (198)
- Social Services (279)
- Museums, Art Galleries, And Botanical And Zoological Gardens (9)
- Membership Organizations (595)
- Engineering, Accounting, Research, Management, And Related Services (780)
- Miscellaneous Services (205)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (36)
- Justice, Public Order, And Safety (42)
- Public Finance, Taxation, And Monetary Policy (4)
- Administration Of Human Resource Programs (9)
- Administration Of Environmental Quality And Housing Programs (16)
- Administration Of Economic Programs (22)
- National Security And International Affairs (19)
- Nonclassifiable Establishments (1415)