- Agriculture, Forestry & Fishing
- Agricultural Production Crops (79)
- Agriculture production livestock and animal specialties (59)
- Agricultural Services (549)
- Forestry (7)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Metal Mining (91)
- Coal Mining (7)
- Oil And Gas Extraction (2156)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (48)
- Building Construction General Contractors And Operative Builders (1160)
- Heavy Construction Other Than Building Construction Contractors (224)
- Construction Special Trade Contractors (2159)
- Manufacturing
- Food And Kindred Products (224)
- Tobacco Products (1)
- Textile Mill Products (37)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (97)
- Lumber And Wood Products, Except Furniture (211)
- Furniture And Fixtures (132)
- Paper And Allied Products (46)
- Printing, Publishing, And Allied Industries (419)
- Chemicals And Allied Products (170)
- Petroleum Refining And Related Industries (83)
- Rubber And Miscellaneous Plastics Products (95)
- Leather And Leather Products (24)
- Stone, Clay, Glass, And Concrete Products (136)
- Primary Metal Industries (74)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (319)
- Industrial And Commercial Machinery And Computer Equipment (453)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (213)
- Transportation Equipment (79)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (150)
- Miscellaneous Manufacturing Industries (269)
- Transportation & Utilities
- Railroad Transportation (7)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (80)
- Motor Freight Transportation And Warehousing (769)
- United States Postal Service (55)
- Water Transportation (9)
- Transportation By Air (120)
- Pipelines, Except Natural Gas (49)
- Transportation Services (491)
- Communications (346)
- Electric, Gas, And Sanitary Services (333)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (2317)
- Wholesale Trade-non-durable Goods (1028)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (338)
- General Merchandise Stores (133)
- Food Stores (882)
- Automotive Dealers And Gasoline Service Stations (701)
- Apparel And Accessory Stores (775)
- Home Furniture, Furnishings, And Equipment Stores (883)
- Eating And Drinking Places (2369)
- Miscellaneous Retail (2431)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (401)
- Real Estate (1297)
- Holding And Other Investment Offices (2035)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (226)
- Personal Services (1817)
- Business Services (5735)
- Automotive Repair, Services, And Parking (1018)
- Miscellaneous Repair Services (844)
- Motion Pictures (258)
- Amusement And Recreation Services (994)
- Health Services (2027)
- Legal Services (681)
- Educational Services (829)
- Social Services (818)
- Museums, Art Galleries, And Botanical And Zoological Gardens (31)
- Membership Organizations (1132)
- Engineering, Accounting, Research, Management, And Related Services (4445)
- Private Households (3)
- Miscellaneous Services (245)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (193)
- Justice, Public Order, And Safety (40)
- Public Finance, Taxation, And Monetary Policy (20)
- Administration Of Human Resource Programs (76)
- Administration Of Environmental Quality And Housing Programs (50)
- Administration Of Economic Programs (70)
- National Security And International Affairs (30)
- Nonclassifiable Establishments (4)
