- Agriculture, Forestry & Fishing
- Agricultural Production Crops (11)
- Agriculture production livestock and animal specialties (7)
- Agricultural Services (78)
- Forestry (5)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (83)
- Heavy Construction Other Than Building Construction Contractors (20)
- Construction Special Trade Contractors (230)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (26)
- Furniture And Fixtures (3)
- Paper And Allied Products (3)
- Printing, Publishing, And Allied Industries (11)
- Chemicals And Allied Products (2)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (1)
- Stone, Clay, Glass, And Concrete Products (11)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (9)
- Industrial And Commercial Machinery And Computer Equipment (8)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (2)
- Transportation Equipment (4)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (10)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (7)
- Motor Freight Transportation And Warehousing (37)
- United States Postal Service (1)
- Water Transportation (4)
- Transportation By Air (6)
- Transportation Services (16)
- Communications (20)
- Electric, Gas, And Sanitary Services (11)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (60)
- Wholesale Trade-non-durable Goods (28)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (27)
- General Merchandise Stores (15)
- Food Stores (45)
- Automotive Dealers And Gasoline Service Stations (75)
- Apparel And Accessory Stores (34)
- Home Furniture, Furnishings, And Equipment Stores (45)
- Eating And Drinking Places (90)
- Miscellaneous Retail (141)
- Finance, Insurance & Real Estate (con't)
- Real Estate (88)
- Holding And Other Investment Offices (20)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (15)
- Personal Services (106)
- Business Services (482)
- Automotive Repair, Services, And Parking (79)
- Miscellaneous Repair Services (69)
- Motion Pictures (10)
- Amusement And Recreation Services (32)
- Health Services (167)
- Legal Services (41)
- Educational Services (43)
- Social Services (100)
- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (139)
- Engineering, Accounting, Research, Management, And Related Services (79)
- Miscellaneous Services (32)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (17)
- Justice, Public Order, And Safety (15)
- Public Finance, Taxation, And Monetary Policy (3)
- Administration Of Human Resource Programs (6)
- Administration Of Environmental Quality And Housing Programs (8)
- Administration Of Economic Programs (2)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (285)
