- Agriculture, Forestry & Fishing
- Agricultural Production Crops (1893)
- Agriculture production livestock and animal specialties (516)
- Agricultural Services (8422)
- Forestry (132)
- Fishing, hunting, and trapping (279)
- Construction & Mining
- Metal Mining (8)
- Coal Mining (2)
- Oil And Gas Extraction (131)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (134)
- Building Construction General Contractors And Operative Builders (17505)
- Heavy Construction Other Than Building Construction Contractors (1998)
- Construction Special Trade Contractors (29289)
- Manufacturing
- Food And Kindred Products (1084)
- Tobacco Products (6)
- Textile Mill Products (430)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (959)
- Lumber And Wood Products, Except Furniture (1355)
- Furniture And Fixtures (548)
- Paper And Allied Products (480)
- Printing, Publishing, And Allied Industries (4400)
- Chemicals And Allied Products (1205)
- Petroleum Refining And Related Industries (134)
- Rubber And Miscellaneous Plastics Products (718)
- Leather And Leather Products (204)
- Stone, Clay, Glass, And Concrete Products (750)
- Primary Metal Industries (396)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (1889)
- Industrial And Commercial Machinery And Computer Equipment (2981)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1826)
- Transportation Equipment (529)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1705)
- Miscellaneous Manufacturing Industries (2229)
- Transportation & Utilities
- Railroad Transportation (66)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3098)
- Motor Freight Transportation And Warehousing (4773)
- United States Postal Service (543)
- Water Transportation (566)
- Transportation By Air (344)
- Pipelines, Except Natural Gas (1)
- Transportation Services (3624)
- Communications (3999)
- Electric, Gas, And Sanitary Services (2084)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (15089)
- Wholesale Trade-non-durable Goods (7776)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (4295)
- General Merchandise Stores (1608)
- Food Stores (9283)
- Automotive Dealers And Gasoline Service Stations (7936)
- Apparel And Accessory Stores (5985)
- Home Furniture, Furnishings, And Equipment Stores (7911)
- Eating And Drinking Places (19462)
- Miscellaneous Retail (24572)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (5143)
- Real Estate (25102)
- Holding And Other Investment Offices (6880)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (3035)
- Personal Services (19241)
- Business Services (95783)
- Automotive Repair, Services, And Parking (11039)
- Miscellaneous Repair Services (11623)
- Motion Pictures (2537)
- Amusement And Recreation Services (9882)
- Health Services (27634)
- Legal Services (13245)
- Educational Services (9424)
- Social Services (10459)
- Museums, Art Galleries, And Botanical And Zoological Gardens (997)
- Membership Organizations (13699)
- Engineering, Accounting, Research, Management, And Related Services (32713)
- Miscellaneous Services (4918)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (1710)
- Justice, Public Order, And Safety (1653)
- Public Finance, Taxation, And Monetary Policy (517)
- Administration Of Human Resource Programs (945)
- Administration Of Environmental Quality And Housing Programs (1191)
- Administration Of Economic Programs (570)
- National Security And International Affairs (468)
- Nonclassifiable Establishments (49368)