- Agriculture, Forestry & Fishing
- Agricultural Production Crops (12)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (72)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (5)
- Building Construction General Contractors And Operative Builders (219)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (344)
- Manufacturing
- Food And Kindred Products (12)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (15)
- Lumber And Wood Products, Except Furniture (8)
- Furniture And Fixtures (4)
- Paper And Allied Products (10)
- Printing, Publishing, And Allied Industries (91)
- Chemicals And Allied Products (25)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (15)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (10)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (27)
- Industrial And Commercial Machinery And Computer Equipment (66)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (39)
- Transportation Equipment (7)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (17)
- Miscellaneous Manufacturing Industries (43)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (31)
- Motor Freight Transportation And Warehousing (61)
- United States Postal Service (1)
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- Transportation By Air (10)
- Transportation Services (78)
- Communications (52)
- Electric, Gas, And Sanitary Services (10)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (358)
- Wholesale Trade-non-durable Goods (160)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (60)
- General Merchandise Stores (7)
- Food Stores (76)
- Automotive Dealers And Gasoline Service Stations (68)
- Apparel And Accessory Stores (65)
- Home Furniture, Furnishings, And Equipment Stores (130)
- Eating And Drinking Places (215)
- Miscellaneous Retail (305)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (142)
- Real Estate (240)
- Holding And Other Investment Offices (86)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (28)
- Personal Services (287)
- Business Services (1167)
- Automotive Repair, Services, And Parking (140)
- Miscellaneous Repair Services (119)
- Motion Pictures (34)
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- Health Services (596)
- Legal Services (139)
- Educational Services (86)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (150)
- Engineering, Accounting, Research, Management, And Related Services (581)
- Miscellaneous Services (82)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (10)
- Justice, Public Order, And Safety (5)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (1)
- Administration Of Economic Programs (3)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (533)