- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (12)
- Agricultural Services (36)
- Forestry (6)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Metal Mining (3)
- Building Construction General Contractors And Operative Builders (117)
- Heavy Construction Other Than Building Construction Contractors (12)
- Construction Special Trade Contractors (182)
- Manufacturing
- Food And Kindred Products (1)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (15)
- Furniture And Fixtures (3)
- Printing, Publishing, And Allied Industries (13)
- Chemicals And Allied Products (2)
- Petroleum Refining And Related Industries (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (8)
- Industrial And Commercial Machinery And Computer Equipment (6)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (9)
- Transportation Equipment (2)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (5)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (13)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Motor Freight Transportation And Warehousing (22)
- United States Postal Service (1)
- Transportation By Air (4)
- Transportation Services (10)
- Communications (18)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (52)
- Wholesale Trade-non-durable Goods (23)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (21)
- General Merchandise Stores (11)
- Food Stores (24)
- Automotive Dealers And Gasoline Service Stations (31)
- Apparel And Accessory Stores (11)
- Home Furniture, Furnishings, And Equipment Stores (36)
- Eating And Drinking Places (61)
- Miscellaneous Retail (105)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (45)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (22)
- Personal Services (47)
- Business Services (311)
- Automotive Repair, Services, And Parking (48)
- Miscellaneous Repair Services (42)
- Motion Pictures (6)
- Amusement And Recreation Services (21)
- Health Services (108)
- Legal Services (22)
- Educational Services (27)
- Social Services (32)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (62)
- Engineering, Accounting, Research, Management, And Related Services (97)
- Miscellaneous Services (16)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (10)
- Justice, Public Order, And Safety (14)
- Administration Of Human Resource Programs (3)
- Administration Of Environmental Quality And Housing Programs (7)
- Administration Of Economic Programs (2)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (193)
