- Agriculture, Forestry & Fishing
- Agricultural Production Crops (44)
- Agriculture production livestock and animal specialties (52)
- Agricultural Services (41)
- Forestry (6)
- Construction & Mining
- Coal Mining (2)
- Oil And Gas Extraction (3)
- Building Construction General Contractors And Operative Builders (96)
- Heavy Construction Other Than Building Construction Contractors (18)
- Construction Special Trade Contractors (171)
- Manufacturing
- Food And Kindred Products (12)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (9)
- Lumber And Wood Products, Except Furniture (13)
- Furniture And Fixtures (3)
- Paper And Allied Products (5)
- Printing, Publishing, And Allied Industries (20)
- Chemicals And Allied Products (4)
- Rubber And Miscellaneous Plastics Products (4)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (6)
- Primary Metal Industries (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (27)
- Industrial And Commercial Machinery And Computer Equipment (11)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (4)
- Transportation Equipment (11)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (5)
- Miscellaneous Manufacturing Industries (9)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (12)
- Motor Freight Transportation And Warehousing (71)
- United States Postal Service (1)
- Water Transportation (4)
- Transportation Services (22)
- Communications (23)
- Electric, Gas, And Sanitary Services (5)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (112)
- Wholesale Trade-non-durable Goods (53)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (62)
- General Merchandise Stores (27)
- Food Stores (79)
- Automotive Dealers And Gasoline Service Stations (128)
- Apparel And Accessory Stores (46)
- Home Furniture, Furnishings, And Equipment Stores (86)
- Eating And Drinking Places (103)
- Miscellaneous Retail (230)
- Finance, Insurance & Real Estate (con't)
- Real Estate (131)
- Holding And Other Investment Offices (15)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (19)
- Personal Services (127)
- Business Services (894)
- Automotive Repair, Services, And Parking (103)
- Miscellaneous Repair Services (63)
- Motion Pictures (9)
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- Health Services (193)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (110)
- Engineering, Accounting, Research, Management, And Related Services (70)
- Miscellaneous Services (23)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (15)
- Justice, Public Order, And Safety (20)
- Administration Of Human Resource Programs (6)
- Administration Of Environmental Quality And Housing Programs (7)
- Administration Of Economic Programs (7)
- National Security And International Affairs (8)
- Nonclassifiable Establishments (224)
