- Agriculture, Forestry & Fishing
- Agricultural Production Crops (104)
- Agriculture production livestock and animal specialties (28)
- Agricultural Services (681)
- Forestry (9)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Oil And Gas Extraction (12)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (7)
- Building Construction General Contractors And Operative Builders (1311)
- Heavy Construction Other Than Building Construction Contractors (108)
- Construction Special Trade Contractors (2046)
- Manufacturing
- Food And Kindred Products (102)
- Tobacco Products (4)
- Textile Mill Products (34)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (78)
- Lumber And Wood Products, Except Furniture (100)
- Furniture And Fixtures (64)
- Paper And Allied Products (69)
- Printing, Publishing, And Allied Industries (464)
- Chemicals And Allied Products (166)
- Petroleum Refining And Related Industries (14)
- Rubber And Miscellaneous Plastics Products (42)
- Leather And Leather Products (10)
- Stone, Clay, Glass, And Concrete Products (84)
- Primary Metal Industries (45)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (190)
- Industrial And Commercial Machinery And Computer Equipment (209)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (91)
- Manufacturing (con't)
- Transportation Equipment (53)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (112)
- Miscellaneous Manufacturing Industries (207)
- Transportation & Utilities
- Railroad Transportation (9)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (104)
- Motor Freight Transportation And Warehousing (1118)
- United States Postal Service (33)
- Water Transportation (42)
- Transportation By Air (122)
- Transportation Services (646)
- Communications (423)
- Electric, Gas, And Sanitary Services (89)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (2266)
- Wholesale Trade-non-durable Goods (976)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (353)
- General Merchandise Stores (205)
- Food Stores (1095)
- Automotive Dealers And Gasoline Service Stations (1081)
- Apparel And Accessory Stores (899)
- Home Furniture, Furnishings, And Equipment Stores (804)
- Eating And Drinking Places (2007)
- Miscellaneous Retail (2505)
- Finance, Insurance & Real Estate (con't)
- Real Estate (2251)
- Holding And Other Investment Offices (940)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (337)
- Personal Services (2614)
- Business Services (9441)
- Automotive Repair, Services, And Parking (1270)
- Miscellaneous Repair Services (1047)
- Motion Pictures (235)
- Amusement And Recreation Services (743)
- Health Services (2540)
- Legal Services (919)
- Educational Services (831)
- Social Services (1483)
- Museums, Art Galleries, And Botanical And Zoological Gardens (57)
- Membership Organizations (2681)
- Engineering, Accounting, Research, Management, And Related Services (2435)
- Miscellaneous Services (582)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (243)
- Justice, Public Order, And Safety (171)
- Public Finance, Taxation, And Monetary Policy (16)
- Administration Of Human Resource Programs (108)
- Administration Of Environmental Quality And Housing Programs (76)
- Administration Of Economic Programs (92)
- National Security And International Affairs (40)
- Nonclassifiable Establishments (4971)
