- Agriculture, Forestry & Fishing
- Agricultural Production Crops (9)
- Agriculture production livestock and animal specialties (22)
- Agricultural Services (41)
- Forestry (2)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (150)
- Heavy Construction Other Than Building Construction Contractors (4)
- Construction Special Trade Contractors (201)
- Manufacturing
- Food And Kindred Products (10)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (6)
- Lumber And Wood Products, Except Furniture (10)
- Furniture And Fixtures (3)
- Printing, Publishing, And Allied Industries (23)
- Chemicals And Allied Products (2)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (6)
- Industrial And Commercial Machinery And Computer Equipment (3)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (4)
- Transportation Equipment (2)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (2)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (11)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (14)
- Motor Freight Transportation And Warehousing (22)
- United States Postal Service (1)
- Water Transportation (3)
- Transportation By Air (12)
- Transportation Services (31)
- Communications (29)
- Electric, Gas, And Sanitary Services (11)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (62)
- Wholesale Trade-non-durable Goods (45)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (28)
- General Merchandise Stores (8)
- Food Stores (30)
- Automotive Dealers And Gasoline Service Stations (27)
- Apparel And Accessory Stores (48)
- Home Furniture, Furnishings, And Equipment Stores (42)
- Eating And Drinking Places (112)
- Miscellaneous Retail (151)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (139)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (95)
- Personal Services (88)
- Business Services (338)
- Automotive Repair, Services, And Parking (46)
- Miscellaneous Repair Services (41)
- Motion Pictures (23)
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- Health Services (132)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (24)
- Membership Organizations (73)
- Engineering, Accounting, Research, Management, And Related Services (205)
- Miscellaneous Services (42)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (4)
- Justice, Public Order, And Safety (14)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (12)
- Administration Of Economic Programs (5)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (877)