- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (5)
- Agricultural Services (25)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (18)
- Building Construction General Contractors And Operative Builders (33)
- Heavy Construction Other Than Building Construction Contractors (12)
- Construction Special Trade Contractors (65)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (3)
- Furniture And Fixtures (1)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (4)
- Rubber And Miscellaneous Plastics Products (3)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (5)
- Industrial And Commercial Machinery And Computer Equipment (9)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (4)
- Transportation Equipment (3)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (12)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (5)
- Motor Freight Transportation And Warehousing (24)
- United States Postal Service (1)
- Transportation By Air (2)
- Pipelines, Except Natural Gas (1)
- Transportation Services (5)
- Communications (7)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (46)
- Wholesale Trade-non-durable Goods (22)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (20)
- General Merchandise Stores (9)
- Food Stores (29)
- Automotive Dealers And Gasoline Service Stations (53)
- Apparel And Accessory Stores (13)
- Home Furniture, Furnishings, And Equipment Stores (22)
- Eating And Drinking Places (59)
- Miscellaneous Retail (79)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (15)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (13)
- Personal Services (81)
- Business Services (648)
- Automotive Repair, Services, And Parking (56)
- Miscellaneous Repair Services (33)
- Motion Pictures (2)
- Amusement And Recreation Services (13)
- Health Services (82)
- Legal Services (16)
- Educational Services (23)
- Social Services (46)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (86)
- Engineering, Accounting, Research, Management, And Related Services (36)
- Miscellaneous Services (21)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (5)
- Justice, Public Order, And Safety (16)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (5)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (7)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (229)
