- Agriculture, Forestry & Fishing
- Agricultural Production Crops (14)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (149)
- Forestry (3)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (356)
- Heavy Construction Other Than Building Construction Contractors (46)
- Construction Special Trade Contractors (364)
- Manufacturing
- Food And Kindred Products (18)
- Tobacco Products (1)
- Textile Mill Products (9)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (34)
- Lumber And Wood Products, Except Furniture (21)
- Furniture And Fixtures (11)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (90)
- Chemicals And Allied Products (9)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (3)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (6)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (14)
- Industrial And Commercial Machinery And Computer Equipment (27)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (26)
- Transportation Equipment (24)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (20)
- Miscellaneous Manufacturing Industries (34)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (24)
- Motor Freight Transportation And Warehousing (73)
- United States Postal Service (5)
- Water Transportation (57)
- Transportation By Air (8)
- Transportation Services (81)
- Communications (103)
- Electric, Gas, And Sanitary Services (29)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (277)
- Wholesale Trade-non-durable Goods (118)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (61)
- General Merchandise Stores (21)
- Food Stores (129)
- Automotive Dealers And Gasoline Service Stations (185)
- Apparel And Accessory Stores (177)
- Home Furniture, Furnishings, And Equipment Stores (154)
- Eating And Drinking Places (380)
- Miscellaneous Retail (495)
- Finance, Insurance & Real Estate (con't)
- Real Estate (572)
- Holding And Other Investment Offices (181)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (77)
- Personal Services (311)
- Business Services (2270)
- Automotive Repair, Services, And Parking (143)
- Miscellaneous Repair Services (174)
- Motion Pictures (55)
- Amusement And Recreation Services (203)
- Health Services (695)
- Legal Services (332)
- Educational Services (121)
- Social Services (192)
- Museums, Art Galleries, And Botanical And Zoological Gardens (22)
- Membership Organizations (341)
- Engineering, Accounting, Research, Management, And Related Services (1142)
- Miscellaneous Services (156)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (129)
- Justice, Public Order, And Safety (36)
- Public Finance, Taxation, And Monetary Policy (37)
- Administration Of Human Resource Programs (18)
- Administration Of Environmental Quality And Housing Programs (50)
- Administration Of Economic Programs (37)
- National Security And International Affairs (50)
- Nonclassifiable Establishments (1050)
