- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (3)
- Agricultural Services (74)
- Forestry (2)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (154)
- Heavy Construction Other Than Building Construction Contractors (25)
- Construction Special Trade Contractors (330)
- Manufacturing
- Food And Kindred Products (30)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (23)
- Lumber And Wood Products, Except Furniture (47)
- Furniture And Fixtures (27)
- Paper And Allied Products (15)
- Printing, Publishing, And Allied Industries (54)
- Chemicals And Allied Products (22)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (29)
- Leather And Leather Products (6)
- Stone, Clay, Glass, And Concrete Products (23)
- Primary Metal Industries (16)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (65)
- Industrial And Commercial Machinery And Computer Equipment (81)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (42)
- Transportation Equipment (20)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (28)
- Miscellaneous Manufacturing Industries (59)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (29)
- Motor Freight Transportation And Warehousing (202)
- United States Postal Service (2)
- Water Transportation (2)
- Transportation By Air (1)
- Transportation Services (99)
- Communications (63)
- Electric, Gas, And Sanitary Services (30)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (451)
- Wholesale Trade-non-durable Goods (215)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (60)
- General Merchandise Stores (36)
- Food Stores (191)
- Automotive Dealers And Gasoline Service Stations (187)
- Apparel And Accessory Stores (154)
- Home Furniture, Furnishings, And Equipment Stores (163)
- Eating And Drinking Places (321)
- Miscellaneous Retail (464)
- Finance, Insurance & Real Estate (con't)
- Real Estate (211)
- Holding And Other Investment Offices (93)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (32)
- Personal Services (306)
- Business Services (1255)
- Automotive Repair, Services, And Parking (319)
- Miscellaneous Repair Services (152)
- Motion Pictures (40)
- Amusement And Recreation Services (98)
- Health Services (447)
- Legal Services (84)
- Educational Services (133)
- Social Services (168)
- Museums, Art Galleries, And Botanical And Zoological Gardens (13)
- Membership Organizations (271)
- Engineering, Accounting, Research, Management, And Related Services (273)
- Miscellaneous Services (92)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (14)
- Justice, Public Order, And Safety (26)
- Administration Of Human Resource Programs (17)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (5)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (742)
