- Agriculture, Forestry & Fishing
- Agricultural Production Crops (9)
- Agriculture production livestock and animal specialties (7)
- Agricultural Services (39)
- Forestry (1)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (1)
- Oil And Gas Extraction (6)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (170)
- Heavy Construction Other Than Building Construction Contractors (27)
- Construction Special Trade Contractors (256)
- Manufacturing
- Food And Kindred Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (8)
- Lumber And Wood Products, Except Furniture (22)
- Furniture And Fixtures (4)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (1)
- Rubber And Miscellaneous Plastics Products (4)
- Stone, Clay, Glass, And Concrete Products (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (11)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (7)
- Transportation Equipment (7)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (18)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (8)
- Motor Freight Transportation And Warehousing (40)
- United States Postal Service (1)
- Water Transportation (7)
- Transportation By Air (14)
- Pipelines, Except Natural Gas (1)
- Transportation Services (17)
- Communications (20)
- Electric, Gas, And Sanitary Services (20)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (101)
- Wholesale Trade-non-durable Goods (50)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (37)
- General Merchandise Stores (15)
- Food Stores (45)
- Automotive Dealers And Gasoline Service Stations (49)
- Apparel And Accessory Stores (24)
- Home Furniture, Furnishings, And Equipment Stores (45)
- Eating And Drinking Places (95)
- Miscellaneous Retail (180)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (21)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (54)
- Personal Services (99)
- Business Services (772)
- Automotive Repair, Services, And Parking (82)
- Miscellaneous Repair Services (60)
- Motion Pictures (6)
- Amusement And Recreation Services (54)
- Health Services (167)
- Legal Services (19)
- Educational Services (43)
- Social Services (88)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (75)
- Engineering, Accounting, Research, Management, And Related Services (128)
- Miscellaneous Services (47)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (9)
- Justice, Public Order, And Safety (9)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (9)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (2)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (779)