- Agriculture, Forestry & Fishing
- Agricultural Production Crops (66)
- Agriculture production livestock and animal specialties (16)
- Agricultural Services (34)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (12)
- Building Construction General Contractors And Operative Builders (35)
- Heavy Construction Other Than Building Construction Contractors (4)
- Construction Special Trade Contractors (63)
- 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 (2)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (8)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (7)
- Rubber And Miscellaneous Plastics Products (7)
- Stone, Clay, Glass, And Concrete Products (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (9)
- Industrial And Commercial Machinery And Computer Equipment (14)
- Transportation Equipment (5)
- Miscellaneous Manufacturing Industries (2)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (25)
- United States Postal Service (1)
- Transportation By Air (2)
- Pipelines, Except Natural Gas (4)
- Transportation Services (5)
- Communications (2)
- Electric, Gas, And Sanitary Services (6)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (41)
- Wholesale Trade-non-durable Goods (20)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (16)
- General Merchandise Stores (4)
- Food Stores (12)
- Automotive Dealers And Gasoline Service Stations (23)
- Apparel And Accessory Stores (6)
- Home Furniture, Furnishings, And Equipment Stores (22)
- Eating And Drinking Places (44)
- Miscellaneous Retail (75)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (4)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (10)
- Personal Services (37)
- Business Services (132)
- Automotive Repair, Services, And Parking (35)
- Miscellaneous Repair Services (29)
- Motion Pictures (1)
- Amusement And Recreation Services (20)
- Health Services (56)
- Legal Services (16)
- Educational Services (23)
- Social Services (19)
- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (49)
- Engineering, Accounting, Research, Management, And Related Services (31)
- Miscellaneous Services (6)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (5)
- Justice, Public Order, And Safety (6)
- Administration Of Human Resource Programs (1)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (4)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (47)
