- Agriculture, Forestry & Fishing
- Agricultural Production Crops (6)
- Agricultural Services (20)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (36)
- Heavy Construction Other Than Building Construction Contractors (3)
- Construction Special Trade Contractors (42)
- Manufacturing
- Food And Kindred Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (2)
- Furniture And Fixtures (1)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (17)
- Rubber And Miscellaneous Plastics Products (2)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (10)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (9)
- Miscellaneous Manufacturing Industries (5)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (14)
- United States Postal Service (1)
- Transportation Services (16)
- Communications (9)
- Electric, Gas, And Sanitary Services (3)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (36)
- Wholesale Trade-non-durable Goods (28)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (12)
- General Merchandise Stores (3)
- Food Stores (10)
- Automotive Dealers And Gasoline Service Stations (14)
- Apparel And Accessory Stores (6)
- Home Furniture, Furnishings, And Equipment Stores (12)
- Eating And Drinking Places (26)
- Miscellaneous Retail (45)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (11)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (20)
- Business Services (257)
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- Miscellaneous Repair Services (9)
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- Engineering, Accounting, Research, Management, And Related Services (110)
- Miscellaneous Services (13)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (5)
- Justice, Public Order, And Safety (3)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (1)
- Nonclassifiable Establishments (70)