- Agriculture, Forestry & Fishing
- Agricultural Production Crops (38)
- Agriculture production livestock and animal specialties (48)
- Agricultural Services (19)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (17)
- Heavy Construction Other Than Building Construction Contractors (3)
- Construction Special Trade Contractors (32)
- Manufacturing
- Food And Kindred Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (4)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (4)
- Chemicals And Allied Products (1)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (4)
- Transportation Equipment (1)
- Miscellaneous Manufacturing Industries (5)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (17)
- United States Postal Service (1)
- Transportation By Air (1)
- Pipelines, Except Natural Gas (1)
- Transportation Services (8)
- Communications (5)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (20)
- Wholesale Trade-non-durable Goods (20)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (14)
- General Merchandise Stores (3)
- Food Stores (11)
- Automotive Dealers And Gasoline Service Stations (23)
- Apparel And Accessory Stores (3)
- Home Furniture, Furnishings, And Equipment Stores (11)
- Eating And Drinking Places (21)
- Miscellaneous Retail (42)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (12)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (15)
- Personal Services (27)
- Business Services (233)
- Automotive Repair, Services, And Parking (16)
- Miscellaneous Repair Services (16)
- Motion Pictures (2)
- Amusement And Recreation Services (13)
- Health Services (19)
- Legal Services (8)
- Educational Services (13)
- Social Services (21)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (34)
- Engineering, Accounting, Research, Management, And Related Services (18)
- Miscellaneous Services (3)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (6)
- Justice, Public Order, And Safety (10)
- Administration Of Human Resource Programs (3)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (6)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (68)