- Agriculture, Forestry & Fishing
- Agricultural Production Crops (21)
- Agriculture production livestock and animal specialties (11)
- Agricultural Services (29)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (9)
- Building Construction General Contractors And Operative Builders (60)
- Heavy Construction Other Than Building Construction Contractors (17)
- Construction Special Trade Contractors (100)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (8)
- Furniture And Fixtures (3)
- Printing, Publishing, And Allied Industries (8)
- Chemicals And Allied Products (3)
- Petroleum Refining And Related Industries (1)
- Stone, Clay, Glass, And Concrete Products (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (5)
- Industrial And Commercial Machinery And Computer Equipment (4)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (11)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (35)
- United States Postal Service (1)
- Transportation By Air (3)
- Pipelines, Except Natural Gas (2)
- Transportation Services (11)
- Communications (9)
- Electric, Gas, And Sanitary Services (12)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (56)
- Wholesale Trade-non-durable Goods (32)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (26)
- General Merchandise Stores (11)
- Food Stores (20)
- Automotive Dealers And Gasoline Service Stations (44)
- Apparel And Accessory Stores (8)
- Home Furniture, Furnishings, And Equipment Stores (25)
- Eating And Drinking Places (58)
- Miscellaneous Retail (101)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (35)
- Personal Services (59)
- Business Services (337)
- Automotive Repair, Services, And Parking (59)
- Miscellaneous Repair Services (37)
- Motion Pictures (10)
- Amusement And Recreation Services (24)
- Health Services (102)
- Legal Services (21)
- Educational Services (28)
- Social Services (32)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (54)
- Engineering, Accounting, Research, Management, And Related Services (68)
- Miscellaneous Services (15)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (8)
- Justice, Public Order, And Safety (11)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (8)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (176)
