- Agriculture, Forestry & Fishing
- Agricultural Production Crops (3)
- Agriculture production livestock and animal specialties (5)
- Agricultural Services (42)
- Forestry (6)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (98)
- Heavy Construction Other Than Building Construction Contractors (7)
- Construction Special Trade Contractors (117)
- Manufacturing
- Food And Kindred Products (2)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (6)
- Lumber And Wood Products, Except Furniture (11)
- Furniture And Fixtures (2)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (16)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (1)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (7)
- Industrial And Commercial Machinery And Computer Equipment (10)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (5)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (2)
- Miscellaneous Manufacturing Industries (13)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1)
- Motor Freight Transportation And Warehousing (26)
- Transportation By Air (4)
- Transportation Services (11)
- Communications (16)
- Electric, Gas, And Sanitary Services (3)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (68)
- Wholesale Trade-non-durable Goods (33)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (30)
- General Merchandise Stores (11)
- Food Stores (43)
- Automotive Dealers And Gasoline Service Stations (33)
- Apparel And Accessory Stores (20)
- Home Furniture, Furnishings, And Equipment Stores (51)
- Eating And Drinking Places (87)
- Miscellaneous Retail (131)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (22)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (11)
- Personal Services (102)
- Business Services (341)
- Automotive Repair, Services, And Parking (39)
- Miscellaneous Repair Services (43)
- Motion Pictures (12)
- Amusement And Recreation Services (32)
- Health Services (134)
- Legal Services (17)
- Educational Services (38)
- Social Services (70)
- Membership Organizations (64)
- Engineering, Accounting, Research, Management, And Related Services (135)
- Miscellaneous Services (28)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (8)
- Justice, Public Order, And Safety (7)
- Administration Of Human Resource Programs (11)
- Administration Of Environmental Quality And Housing Programs (12)
- Administration Of Economic Programs (3)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (206)
