- Agriculture, Forestry & Fishing
- Agricultural Production Crops (29)
- Agriculture production livestock and animal specialties (20)
- Agricultural Services (58)
- Forestry (7)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (160)
- Heavy Construction Other Than Building Construction Contractors (27)
- Construction Special Trade Contractors (239)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (21)
- Furniture And Fixtures (2)
- Paper And Allied Products (3)
- Printing, Publishing, And Allied Industries (16)
- Chemicals And Allied Products (6)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (4)
- Stone, Clay, Glass, And Concrete Products (9)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (11)
- Industrial And Commercial Machinery And Computer Equipment (14)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (3)
- Manufacturing (con't)
- Transportation Equipment (4)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (7)
- Miscellaneous Manufacturing Industries (10)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Motor Freight Transportation And Warehousing (55)
- Water Transportation (1)
- Transportation By Air (3)
- Transportation Services (31)
- Communications (8)
- Electric, Gas, And Sanitary Services (4)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (61)
- Wholesale Trade-non-durable Goods (37)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (22)
- General Merchandise Stores (4)
- Food Stores (35)
- Automotive Dealers And Gasoline Service Stations (25)
- Apparel And Accessory Stores (7)
- Home Furniture, Furnishings, And Equipment Stores (34)
- Eating And Drinking Places (59)
- Miscellaneous Retail (102)
- Finance, Insurance & Real Estate (con't)
- Real Estate (60)
- Holding And Other Investment Offices (19)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (6)
- Personal Services (90)
- Business Services (463)
- Automotive Repair, Services, And Parking (42)
- Miscellaneous Repair Services (60)
- Motion Pictures (7)
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- Health Services (63)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (50)
- Engineering, Accounting, Research, Management, And Related Services (128)
- Miscellaneous Services (30)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (1)
- Justice, Public Order, And Safety (3)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (1)
- Administration Of Economic Programs (1)
- Nonclassifiable Establishments (150)
