- Agriculture, Forestry & Fishing
- Agricultural Production Crops (46)
- Agriculture production livestock and animal specialties (20)
- Agricultural Services (291)
- Forestry (2)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Metal Mining (1)
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (810)
- Heavy Construction Other Than Building Construction Contractors (45)
- Construction Special Trade Contractors (842)
- Manufacturing
- Food And Kindred Products (104)
- Textile Mill Products (14)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (64)
- Lumber And Wood Products, Except Furniture (55)
- Furniture And Fixtures (36)
- Paper And Allied Products (26)
- Printing, Publishing, And Allied Industries (299)
- Chemicals And Allied Products (55)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (20)
- Leather And Leather Products (9)
- Stone, Clay, Glass, And Concrete Products (45)
- Primary Metal Industries (20)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (111)
- Industrial And Commercial Machinery And Computer Equipment (93)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (66)
- Manufacturing (con't)
- Transportation Equipment (19)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (33)
- Miscellaneous Manufacturing Industries (141)
- Transportation & Utilities
- Railroad Transportation (9)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (138)
- Motor Freight Transportation And Warehousing (395)
- United States Postal Service (16)
- Water Transportation (34)
- Transportation By Air (39)
- Pipelines, Except Natural Gas (1)
- Transportation Services (297)
- Communications (287)
- Electric, Gas, And Sanitary Services (86)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (811)
- Wholesale Trade-non-durable Goods (611)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (166)
- General Merchandise Stores (58)
- Food Stores (746)
- Automotive Dealers And Gasoline Service Stations (353)
- Apparel And Accessory Stores (472)
- Home Furniture, Furnishings, And Equipment Stores (507)
- Eating And Drinking Places (1414)
- Miscellaneous Retail (1359)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (294)
- Real Estate (1315)
- Holding And Other Investment Offices (493)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (148)
- Personal Services (1588)
- Business Services (6017)
- Automotive Repair, Services, And Parking (741)
- Miscellaneous Repair Services (725)
- Motion Pictures (247)
- Amusement And Recreation Services (593)
- Health Services (1721)
- Legal Services (959)
- Educational Services (605)
- Social Services (1226)
- Museums, Art Galleries, And Botanical And Zoological Gardens (48)
- Membership Organizations (1415)
- Engineering, Accounting, Research, Management, And Related Services (2360)
- Miscellaneous Services (408)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (65)
- Justice, Public Order, And Safety (72)
- Public Finance, Taxation, And Monetary Policy (15)
- Administration Of Human Resource Programs (89)
- Administration Of Environmental Quality And Housing Programs (42)
- Administration Of Economic Programs (53)
- National Security And International Affairs (27)
- Nonclassifiable Establishments (3415)
