- Agriculture, Forestry & Fishing
- Agricultural Production Crops (20)
- Agriculture production livestock and animal specialties (12)
- Agricultural Services (65)
- Forestry (2)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (42)
- Heavy Construction Other Than Building Construction Contractors (26)
- Construction Special Trade Contractors (97)
- Manufacturing
- Food And Kindred Products (2)
- Textile Mill Products (1)
- Lumber And Wood Products, Except Furniture (2)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (1)
- Rubber And Miscellaneous Plastics Products (1)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (4)
- Transportation Equipment (5)
- Miscellaneous Manufacturing Industries (3)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (30)
- United States Postal Service (1)
- Transportation By Air (4)
- Transportation Services (15)
- Communications (2)
- Electric, Gas, And Sanitary Services (12)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (40)
- Wholesale Trade-non-durable Goods (28)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (20)
- General Merchandise Stores (6)
- Food Stores (29)
- Automotive Dealers And Gasoline Service Stations (20)
- Apparel And Accessory Stores (11)
- Home Furniture, Furnishings, And Equipment Stores (13)
- Eating And Drinking Places (27)
- Miscellaneous Retail (32)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (37)
- Business Services (127)
- Automotive Repair, Services, And Parking (39)
- Miscellaneous Repair Services (31)
- Motion Pictures (3)
- Amusement And Recreation Services (10)
- Health Services (28)
- Legal Services (13)
- Educational Services (23)
- Social Services (29)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (39)
- Engineering, Accounting, Research, Management, And Related Services (29)
- Miscellaneous Services (12)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (10)
- Justice, Public Order, And Safety (4)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (2)
- Nonclassifiable Establishments (90)
