- Agriculture, Forestry & Fishing
- Agricultural Production Crops (6)
- Agriculture production livestock and animal specialties (6)
- Agricultural Services (73)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (3)
- Building Construction General Contractors And Operative Builders (214)
- Heavy Construction Other Than Building Construction Contractors (29)
- Construction Special Trade Contractors (383)
- Manufacturing
- Food And Kindred Products (30)
- Textile Mill Products (29)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (27)
- Lumber And Wood Products, Except Furniture (33)
- Furniture And Fixtures (18)
- Paper And Allied Products (24)
- Printing, Publishing, And Allied Industries (58)
- Chemicals And Allied Products (44)
- Rubber And Miscellaneous Plastics Products (20)
- Leather And Leather Products (10)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (9)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (73)
- Industrial And Commercial Machinery And Computer Equipment (82)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (30)
- Transportation Equipment (11)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (16)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (50)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (63)
- Motor Freight Transportation And Warehousing (172)
- United States Postal Service (3)
- Water Transportation (5)
- Transportation By Air (4)
- Transportation Services (138)
- Communications (47)
- Electric, Gas, And Sanitary Services (21)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (348)
- Wholesale Trade-non-durable Goods (252)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (55)
- General Merchandise Stores (48)
- Food Stores (442)
- Automotive Dealers And Gasoline Service Stations (183)
- Apparel And Accessory Stores (130)
- Home Furniture, Furnishings, And Equipment Stores (132)
- Eating And Drinking Places (537)
- Miscellaneous Retail (417)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (46)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (12)
- Personal Services (463)
- Business Services (770)
- Automotive Repair, Services, And Parking (334)
- Miscellaneous Repair Services (241)
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- Miscellaneous Services (66)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (48)
- Justice, Public Order, And Safety (39)
- Public Finance, Taxation, And Monetary Policy (7)
- Administration Of Human Resource Programs (18)
- Administration Of Environmental Quality And Housing Programs (14)
- Administration Of Economic Programs (5)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (643)