- Agriculture, Forestry & Fishing
- Agricultural Production Crops (4)
- Agriculture production livestock and animal specialties (28)
- Agricultural Services (17)
- Construction & Mining
- Oil And Gas Extraction (42)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (49)
- Heavy Construction Other Than Building Construction Contractors (10)
- Construction Special Trade Contractors (67)
- Manufacturing
- Food And Kindred Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (4)
- Lumber And Wood Products, Except Furniture (2)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (12)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (8)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (3)
- Transportation Equipment (5)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (7)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (43)
- United States Postal Service (1)
- Transportation By Air (3)
- Pipelines, Except Natural Gas (1)
- Transportation Services (9)
- Communications (13)
- Electric, Gas, And Sanitary Services (14)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (57)
- Wholesale Trade-non-durable Goods (24)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (19)
- General Merchandise Stores (2)
- Food Stores (21)
- Automotive Dealers And Gasoline Service Stations (36)
- Apparel And Accessory Stores (10)
- Home Furniture, Furnishings, And Equipment Stores (14)
- Eating And Drinking Places (42)
- Miscellaneous Retail (82)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (20)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (21)
- Personal Services (42)
- Business Services (522)
- Automotive Repair, Services, And Parking (37)
- Miscellaneous Repair Services (39)
- Motion Pictures (4)
- Amusement And Recreation Services (21)
- Health Services (62)
- Legal Services (26)
- Educational Services (20)
- Social Services (39)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (58)
- Engineering, Accounting, Research, Management, And Related Services (52)
- Miscellaneous Services (12)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (9)
- Justice, Public Order, And Safety (13)
- Administration Of Human Resource Programs (9)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (6)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (202)
