- Agriculture, Forestry & Fishing
- Agricultural Production Crops (3)
- Agriculture production livestock and animal specialties (3)
- Agricultural Services (25)
- Forestry (1)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (1)
- Building Construction General Contractors And Operative Builders (40)
- Heavy Construction Other Than Building Construction Contractors (5)
- Construction Special Trade Contractors (113)
- Manufacturing
- Food And Kindred Products (18)
- Textile Mill Products (9)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (9)
- Lumber And Wood Products, Except Furniture (15)
- Furniture And Fixtures (13)
- Paper And Allied Products (12)
- Printing, Publishing, And Allied Industries (27)
- Chemicals And Allied Products (7)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (13)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (8)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (25)
- Industrial And Commercial Machinery And Computer Equipment (39)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (21)
- Manufacturing (con't)
- Transportation Equipment (7)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (5)
- Miscellaneous Manufacturing Industries (31)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (9)
- Motor Freight Transportation And Warehousing (46)
- United States Postal Service (3)
- Transportation Services (10)
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- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (118)
- Wholesale Trade-non-durable Goods (61)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (39)
- General Merchandise Stores (8)
- Food Stores (72)
- Automotive Dealers And Gasoline Service Stations (73)
- Apparel And Accessory Stores (90)
- Home Furniture, Furnishings, And Equipment Stores (51)
- Eating And Drinking Places (100)
- Miscellaneous Retail (180)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (95)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (12)
- Personal Services (162)
- Business Services (160)
- Automotive Repair, Services, And Parking (97)
- Miscellaneous Repair Services (74)
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- Amusement And Recreation Services (81)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
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- Miscellaneous Services (7)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (13)
- Justice, Public Order, And Safety (5)
- Public Finance, Taxation, And Monetary Policy (5)
- Administration Of Human Resource Programs (7)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (4)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (1)