- Agriculture, Forestry & Fishing
- Agricultural Production Crops (48)
- Agriculture production livestock and animal specialties (8)
- Agricultural Services (71)
- Forestry (1)
- Construction & Mining
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- Building Construction General Contractors And Operative Builders (160)
- Heavy Construction Other Than Building Construction Contractors (23)
- Construction Special Trade Contractors (207)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (10)
- Lumber And Wood Products, Except Furniture (7)
- Furniture And Fixtures (2)
- Paper And Allied Products (4)
- Printing, Publishing, And Allied Industries (24)
- Chemicals And Allied Products (12)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (10)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (7)
- Transportation Equipment (5)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (8)
- Miscellaneous Manufacturing Industries (22)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (23)
- Motor Freight Transportation And Warehousing (70)
- United States Postal Service (1)
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- Pipelines, Except Natural Gas (1)
- Transportation Services (35)
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- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (125)
- Wholesale Trade-non-durable Goods (68)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (48)
- General Merchandise Stores (28)
- Food Stores (84)
- Automotive Dealers And Gasoline Service Stations (103)
- Apparel And Accessory Stores (80)
- Home Furniture, Furnishings, And Equipment Stores (102)
- Eating And Drinking Places (196)
- Miscellaneous Retail (273)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (110)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (40)
- Personal Services (182)
- Business Services (1012)
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- Miscellaneous Repair Services (71)
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- Miscellaneous Services (56)
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- Executive, Legislative, And General Government, Except Finance (66)
- Justice, Public Order, And Safety (46)
- Public Finance, Taxation, And Monetary Policy (13)
- Administration Of Human Resource Programs (27)
- Administration Of Environmental Quality And Housing Programs (38)
- Administration Of Economic Programs (58)
- National Security And International Affairs (38)
- Nonclassifiable Establishments (569)