- Agriculture, Forestry & Fishing
- Agricultural Production Crops (141)
- Agriculture production livestock and animal specialties (43)
- Agricultural Services (840)
- Forestry (7)
- Fishing, hunting, and trapping (7)
- Construction & Mining
- Metal Mining (8)
- Coal Mining (2)
- Oil And Gas Extraction (30)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (26)
- Building Construction General Contractors And Operative Builders (4154)
- Heavy Construction Other Than Building Construction Contractors (264)
- Construction Special Trade Contractors (4493)
- Manufacturing
- Food And Kindred Products (528)
- Tobacco Products (4)
- Textile Mill Products (115)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (367)
- Lumber And Wood Products, Except Furniture (215)
- Furniture And Fixtures (251)
- Paper And Allied Products (177)
- Printing, Publishing, And Allied Industries (1695)
- Chemicals And Allied Products (368)
- Petroleum Refining And Related Industries (51)
- Rubber And Miscellaneous Plastics Products (190)
- Leather And Leather Products (49)
- Stone, Clay, Glass, And Concrete Products (231)
- Primary Metal Industries (193)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (666)
- Industrial And Commercial Machinery And Computer Equipment (532)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (411)
- Transportation Equipment (143)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (217)
- Miscellaneous Manufacturing Industries (720)
- Transportation & Utilities
- Railroad Transportation (52)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1315)
- Motor Freight Transportation And Warehousing (1568)
- United States Postal Service (58)
- Water Transportation (82)
- Transportation By Air (164)
- Pipelines, Except Natural Gas (1)
- Transportation Services (1712)
- Communications (1861)
- Electric, Gas, And Sanitary Services (321)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (4258)
- Wholesale Trade-non-durable Goods (3053)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (768)
- General Merchandise Stores (627)
- Food Stores (3637)
- Automotive Dealers And Gasoline Service Stations (1505)
- Apparel And Accessory Stores (2761)
- Home Furniture, Furnishings, And Equipment Stores (2275)
- Eating And Drinking Places (8227)
- Miscellaneous Retail (6918)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (1794)
- Real Estate (8660)
- Holding And Other Investment Offices (3035)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (629)
- Personal Services (7528)
- Business Services (24434)
- Automotive Repair, Services, And Parking (2826)
- Miscellaneous Repair Services (2549)
- Motion Pictures (1143)
- Amusement And Recreation Services (2693)
- Health Services (8100)
- Legal Services (7166)
- Educational Services (3186)
- Social Services (4752)
- Museums, Art Galleries, And Botanical And Zoological Gardens (324)
- Membership Organizations (6337)
- Engineering, Accounting, Research, Management, And Related Services (10394)
- Miscellaneous Services (1584)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (353)
- Justice, Public Order, And Safety (313)
- Public Finance, Taxation, And Monetary Policy (62)
- Administration Of Human Resource Programs (339)
- Administration Of Environmental Quality And Housing Programs (199)
- Administration Of Economic Programs (173)
- National Security And International Affairs (144)
- Nonclassifiable Establishments (21290)