- Agriculture, Forestry & Fishing
- Agricultural Production Crops (31)
- Agriculture production livestock and animal specialties (6)
- Agricultural Services (30)
- Forestry (2)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Coal Mining (1)
- Building Construction General Contractors And Operative Builders (72)
- Heavy Construction Other Than Building Construction Contractors (5)
- Construction Special Trade Contractors (96)
- Manufacturing
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (8)
- Furniture And Fixtures (2)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (10)
- Chemicals And Allied Products (6)
- Rubber And Miscellaneous Plastics Products (6)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (3)
- 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 (1)
- Transportation Equipment (7)
- Miscellaneous Manufacturing Industries (5)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (5)
- Motor Freight Transportation And Warehousing (24)
- United States Postal Service (2)
- Transportation Services (14)
- Communications (10)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (40)
- Wholesale Trade-non-durable Goods (10)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (26)
- General Merchandise Stores (9)
- Food Stores (26)
- Automotive Dealers And Gasoline Service Stations (44)
- Apparel And Accessory Stores (12)
- Home Furniture, Furnishings, And Equipment Stores (22)
- Eating And Drinking Places (43)
- Miscellaneous Retail (98)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (12)
- Personal Services (54)
- Business Services (391)
- Automotive Repair, Services, And Parking (43)
- Miscellaneous Repair Services (38)
- Motion Pictures (5)
- Amusement And Recreation Services (20)
- Health Services (50)
- Legal Services (18)
- Educational Services (29)
- Social Services (31)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (61)
- Engineering, Accounting, Research, Management, And Related Services (51)
- Miscellaneous Services (14)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (9)
- Justice, Public Order, And Safety (11)
- Administration Of Human Resource Programs (6)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (3)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (75)
