- Agriculture, Forestry & Fishing
- Agricultural Production Crops (6)
- Agriculture production livestock and animal specialties (8)
- Agricultural Services (27)
- Forestry (19)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (107)
- Heavy Construction Other Than Building Construction Contractors (17)
- Construction Special Trade Contractors (131)
- Manufacturing
- Food And Kindred Products (8)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (4)
- Furniture And Fixtures (4)
- Printing, Publishing, And Allied Industries (12)
- Chemicals And Allied Products (2)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (4)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (5)
- Transportation Equipment (5)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (10)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (54)
- United States Postal Service (2)
- Transportation By Air (5)
- Transportation Services (15)
- Communications (27)
- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (60)
- Wholesale Trade-non-durable Goods (23)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (29)
- General Merchandise Stores (14)
- Food Stores (33)
- Automotive Dealers And Gasoline Service Stations (68)
- Apparel And Accessory Stores (27)
- Home Furniture, Furnishings, And Equipment Stores (47)
- Eating And Drinking Places (85)
- Miscellaneous Retail (141)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (21)
- Personal Services (92)
- Business Services (324)
- Automotive Repair, Services, And Parking (78)
- Miscellaneous Repair Services (42)
- Motion Pictures (4)
- Amusement And Recreation Services (46)
- Health Services (129)
- Legal Services (28)
- Educational Services (37)
- Social Services (70)
- Museums, Art Galleries, And Botanical And Zoological Gardens (5)
- Membership Organizations (107)
- Engineering, Accounting, Research, Management, And Related Services (79)
- Miscellaneous Services (19)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (12)
- Justice, Public Order, And Safety (21)
- Public Finance, Taxation, And Monetary Policy (4)
- Administration Of Human Resource Programs (10)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (2)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (149)