- Agriculture, Forestry & Fishing
- Agricultural Production Crops (25)
- Agriculture production livestock and animal specialties (26)
- Agricultural Services (32)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (63)
- Heavy Construction Other Than Building Construction Contractors (8)
- Construction Special Trade Contractors (74)
- Manufacturing
- Food And Kindred Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (8)
- Furniture And Fixtures (2)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (3)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (2)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (8)
- Industrial And Commercial Machinery And Computer Equipment (19)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Miscellaneous Manufacturing Industries (12)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (5)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (15)
- United States Postal Service (1)
- Transportation Services (9)
- Communications (13)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (34)
- Wholesale Trade-non-durable Goods (12)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (16)
- General Merchandise Stores (6)
- Food Stores (21)
- Automotive Dealers And Gasoline Service Stations (27)
- Apparel And Accessory Stores (3)
- Home Furniture, Furnishings, And Equipment Stores (23)
- Eating And Drinking Places (44)
- Miscellaneous Retail (73)
- Services (con't)
- Personal Services (46)
- Business Services (272)
- Automotive Repair, Services, And Parking (46)
- Miscellaneous Repair Services (42)
- Motion Pictures (6)
- Amusement And Recreation Services (15)
- Health Services (64)
- Legal Services (22)
- Educational Services (21)
- Social Services (46)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (64)
- Engineering, Accounting, Research, Management, And Related Services (40)
- Miscellaneous Services (8)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (16)
- Justice, Public Order, And Safety (8)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (1)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (3)
- Nonclassifiable Establishments (44)
