- Agriculture, Forestry & Fishing
- Agricultural Production Crops (85)
- Agriculture production livestock and animal specialties (59)
- Agricultural Services (486)
- Forestry (5)
- Fishing, hunting, and trapping (7)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (4)
- Oil And Gas Extraction (5)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (876)
- Heavy Construction Other Than Building Construction Contractors (49)
- Construction Special Trade Contractors (1721)
- Manufacturing
- Food And Kindred Products (26)
- Tobacco Products (2)
- Textile Mill Products (10)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (26)
- Lumber And Wood Products, Except Furniture (63)
- Furniture And Fixtures (17)
- Paper And Allied Products (15)
- Printing, Publishing, And Allied Industries (112)
- Chemicals And Allied Products (19)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (16)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (41)
- Primary Metal Industries (17)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (44)
- Manufacturing (con't)
- Industrial And Commercial Machinery And Computer Equipment (86)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (49)
- Transportation Equipment (34)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (23)
- Miscellaneous Manufacturing Industries (95)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (50)
- Motor Freight Transportation And Warehousing (199)
- United States Postal Service (5)
- Water Transportation (35)
- Transportation By Air (8)
- Transportation Services (153)
- Communications (145)
- Electric, Gas, And Sanitary Services (44)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (468)
- Wholesale Trade-non-durable Goods (263)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (189)
- General Merchandise Stores (54)
- Food Stores (275)
- Automotive Dealers And Gasoline Service Stations (349)
- Apparel And Accessory Stores (220)
- Home Furniture, Furnishings, And Equipment Stores (346)
- Eating And Drinking Places (709)
- Miscellaneous Retail (885)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (44)
- Insurance Agents, Brokers, And Service (229)
- Real Estate (1110)
- Holding And Other Investment Offices (498)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (100)
- Personal Services (791)
- Business Services (5561)
- Automotive Repair, Services, And Parking (371)
- Miscellaneous Repair Services (426)
- Motion Pictures (71)
- Amusement And Recreation Services (340)
- Health Services (1087)
- Legal Services (243)
- Educational Services (182)
- Social Services (309)
- Museums, Art Galleries, And Botanical And Zoological Gardens (20)
- Membership Organizations (663)
- Engineering, Accounting, Research, Management, And Related Services (960)
- Miscellaneous Services (407)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (36)
- Justice, Public Order, And Safety (41)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (8)
- Administration Of Environmental Quality And Housing Programs (20)
- Administration Of Economic Programs (5)
- National Security And International Affairs (8)
- Nonclassifiable Establishments (3048)
