- Agriculture, Forestry & Fishing
- Agricultural Production Crops (19)
- Agriculture production livestock and animal specialties (14)
- Agricultural Services (48)
- Forestry (7)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (77)
- Heavy Construction Other Than Building Construction Contractors (13)
- Construction Special Trade Contractors (129)
- Manufacturing
- Food And Kindred Products (3)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (21)
- Furniture And Fixtures (4)
- Printing, Publishing, And Allied Industries (10)
- Chemicals And Allied Products (3)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (8)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (16)
- Industrial And Commercial Machinery And Computer Equipment (17)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (3)
- Transportation Equipment (6)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (13)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (63)
- United States Postal Service (1)
- Water Transportation (2)
- Transportation Services (14)
- Communications (11)
- Electric, Gas, And Sanitary Services (12)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (61)
- Wholesale Trade-non-durable Goods (23)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (22)
- General Merchandise Stores (3)
- Food Stores (37)
- Automotive Dealers And Gasoline Service Stations (40)
- Apparel And Accessory Stores (29)
- Home Furniture, Furnishings, And Equipment Stores (27)
- Eating And Drinking Places (61)
- Miscellaneous Retail (99)
- Finance, Insurance & Real Estate (con't)
- Real Estate (60)
- Holding And Other Investment Offices (13)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (83)
- Business Services (282)
- Automotive Repair, Services, And Parking (57)
- Miscellaneous Repair Services (41)
- Motion Pictures (7)
- Amusement And Recreation Services (22)
- Health Services (49)
- Legal Services (3)
- Educational Services (35)
- Social Services (31)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (62)
- Engineering, Accounting, Research, Management, And Related Services (56)
- Miscellaneous Services (11)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (2)
- Justice, Public Order, And Safety (8)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (4)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (109)
