- Agriculture, Forestry & Fishing
- Agricultural Production Crops (6243)
- Agriculture production livestock and animal specialties (4484)
- Agricultural Services (2140)
- Forestry (141)
- Fishing, hunting, and trapping (25)
- Construction & Mining
- Metal Mining (127)
- Coal Mining (30)
- Oil And Gas Extraction (6136)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (149)
- Building Construction General Contractors And Operative Builders (3544)
- Heavy Construction Other Than Building Construction Contractors (1529)
- Construction Special Trade Contractors (8208)
- Manufacturing
- Food And Kindred Products (671)
- Tobacco Products (3)
- Textile Mill Products (121)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (277)
- Lumber And Wood Products, Except Furniture (962)
- Furniture And Fixtures (332)
- Paper And Allied Products (121)
- Printing, Publishing, And Allied Industries (1121)
- Chemicals And Allied Products (476)
- Petroleum Refining And Related Industries (183)
- Rubber And Miscellaneous Plastics Products (282)
- Leather And Leather Products (66)
- Stone, Clay, Glass, And Concrete Products (429)
- Primary Metal Industries (206)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (1018)
- Industrial And Commercial Machinery And Computer Equipment (1507)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (424)
- Transportation Equipment (254)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (386)
- Miscellaneous Manufacturing Industries (795)
- Transportation & Utilities
- Railroad Transportation (36)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (508)
- Motor Freight Transportation And Warehousing (3903)
- United States Postal Service (513)
- Water Transportation (62)
- Transportation By Air (296)
- Pipelines, Except Natural Gas (154)
- Transportation Services (1286)
- Communications (833)
- Electric, Gas, And Sanitary Services (1011)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (6707)
- Wholesale Trade-non-durable Goods (3124)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (1648)
- General Merchandise Stores (763)
- Food Stores (3158)
- Automotive Dealers And Gasoline Service Stations (3336)
- Apparel And Accessory Stores (2428)
- Home Furniture, Furnishings, And Equipment Stores (2630)
- Eating And Drinking Places (7227)
- Miscellaneous Retail (8346)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (1304)
- Real Estate (4014)
- Holding And Other Investment Offices (4693)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (1904)
- Personal Services (5685)
- Business Services (14984)
- Automotive Repair, Services, And Parking (4229)
- Miscellaneous Repair Services (3689)
- Motion Pictures (754)
- Amusement And Recreation Services (3539)
- Health Services (5950)
- Legal Services (1708)
- Educational Services (3337)
- Social Services (3359)
- Museums, Art Galleries, And Botanical And Zoological Gardens (220)
- Membership Organizations (4619)
- Engineering, Accounting, Research, Management, And Related Services (9885)
- Private Households (17)
- Miscellaneous Services (473)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (1434)
- Justice, Public Order, And Safety (312)
- Public Finance, Taxation, And Monetary Policy (70)
- Administration Of Human Resource Programs (430)
- Administration Of Environmental Quality And Housing Programs (252)
- Administration Of Economic Programs (390)
- National Security And International Affairs (106)
- Nonclassifiable Establishments (29)