- Agriculture, Forestry & Fishing
- Agricultural Production Crops (11)
- Agriculture production livestock and animal specialties (35)
- Agricultural Services (37)
- Forestry (5)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Oil And Gas Extraction (2)
- Building Construction General Contractors And Operative Builders (65)
- Heavy Construction Other Than Building Construction Contractors (5)
- Construction Special Trade Contractors (127)
- Manufacturing
- Food And Kindred Products (7)
- Tobacco Products (1)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (16)
- Furniture And Fixtures (3)
- Printing, Publishing, And Allied Industries (17)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (3)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (8)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (5)
- Transportation Equipment (2)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (11)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (4)
- Motor Freight Transportation And Warehousing (36)
- United States Postal Service (1)
- Transportation By Air (3)
- Transportation Services (15)
- Communications (26)
- Electric, Gas, And Sanitary Services (16)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (58)
- Wholesale Trade-non-durable Goods (39)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (22)
- General Merchandise Stores (6)
- Food Stores (40)
- Automotive Dealers And Gasoline Service Stations (54)
- Apparel And Accessory Stores (24)
- Home Furniture, Furnishings, And Equipment Stores (38)
- Eating And Drinking Places (94)
- Miscellaneous Retail (131)
- Finance, Insurance & Real Estate (con't)
- Real Estate (114)
- Holding And Other Investment Offices (30)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (52)
- Personal Services (94)
- Business Services (664)
- Automotive Repair, Services, And Parking (70)
- Miscellaneous Repair Services (43)
- Motion Pictures (8)
- Amusement And Recreation Services (37)
- Health Services (123)
- Legal Services (41)
- Educational Services (76)
- Social Services (101)
- Museums, Art Galleries, And Botanical And Zoological Gardens (10)
- Membership Organizations (104)
- Engineering, Accounting, Research, Management, And Related Services (193)
- Miscellaneous Services (41)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (21)
- Justice, Public Order, And Safety (15)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (12)
- Administration Of Economic Programs (5)
- National Security And International Affairs (5)
- Nonclassifiable Establishments (294)