- Agriculture, Forestry & Fishing
- Agricultural Production Crops (46)
- Agriculture production livestock and animal specialties (8)
- Agricultural Services (17)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (2)
- Building Construction General Contractors And Operative Builders (22)
- Heavy Construction Other Than Building Construction Contractors (7)
- Construction Special Trade Contractors (59)
- Manufacturing
- Food And Kindred Products (2)
- Textile Mill Products (1)
- Lumber And Wood Products, Except Furniture (8)
- Paper And Allied Products (4)
- Printing, Publishing, And Allied Industries (6)
- Chemicals And Allied Products (2)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (2)
- Industrial And Commercial Machinery And Computer Equipment (4)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Transportation Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (2)
- Miscellaneous Manufacturing Industries (7)
- Transportation & Utilities
- Railroad Transportation (2)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (10)
- Motor Freight Transportation And Warehousing (34)
- United States Postal Service (1)
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- Transportation By Air (2)
- Transportation Services (7)
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- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (31)
- Wholesale Trade-non-durable Goods (23)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (21)
- General Merchandise Stores (9)
- Food Stores (39)
- Automotive Dealers And Gasoline Service Stations (44)
- Apparel And Accessory Stores (14)
- Home Furniture, Furnishings, And Equipment Stores (23)
- Eating And Drinking Places (54)
- Miscellaneous Retail (87)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (3)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (5)
- Personal Services (67)
- Business Services (1055)
- Automotive Repair, Services, And Parking (45)
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- Membership Organizations (123)
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- Miscellaneous Services (8)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (4)
- Justice, Public Order, And Safety (16)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (11)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (7)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (215)