- Agriculture, Forestry & Fishing
- Agricultural Production Crops (18)
- Agriculture production livestock and animal specialties (29)
- Agricultural Services (127)
- Forestry (3)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (280)
- Heavy Construction Other Than Building Construction Contractors (41)
- Construction Special Trade Contractors (468)
- Manufacturing
- Food And Kindred Products (15)
- Tobacco Products (1)
- Textile Mill Products (7)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (9)
- Lumber And Wood Products, Except Furniture (26)
- Furniture And Fixtures (7)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (52)
- Chemicals And Allied Products (16)
- Rubber And Miscellaneous Plastics Products (14)
- Leather And Leather Products (7)
- Stone, Clay, Glass, And Concrete Products (16)
- Primary Metal Industries (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (27)
- Industrial And Commercial Machinery And Computer Equipment (40)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (27)
- Transportation Equipment (7)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (22)
- Miscellaneous Manufacturing Industries (47)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (20)
- Motor Freight Transportation And Warehousing (83)
- United States Postal Service (1)
- Water Transportation (2)
- Transportation By Air (10)
- Transportation Services (51)
- Communications (64)
- Electric, Gas, And Sanitary Services (10)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (266)
- Wholesale Trade-non-durable Goods (136)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (74)
- General Merchandise Stores (12)
- Food Stores (88)
- Automotive Dealers And Gasoline Service Stations (106)
- Apparel And Accessory Stores (60)
- Home Furniture, Furnishings, And Equipment Stores (154)
- Eating And Drinking Places (231)
- Miscellaneous Retail (334)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (149)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (10)
- Personal Services (264)
- Business Services (1810)
- Automotive Repair, Services, And Parking (157)
- Miscellaneous Repair Services (115)
- Motion Pictures (37)
- Amusement And Recreation Services (149)
- Health Services (385)
- Legal Services (63)
- Educational Services (87)
- Social Services (93)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (149)
- Engineering, Accounting, Research, Management, And Related Services (449)
- Miscellaneous Services (130)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (15)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (3)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (831)
