- Agriculture, Forestry & Fishing
- Agricultural Production Crops (28)
- Agriculture production livestock and animal specialties (9)
- Agricultural Services (81)
- Forestry (5)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (171)
- Heavy Construction Other Than Building Construction Contractors (32)
- Construction Special Trade Contractors (245)
- Manufacturing
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (8)
- Furniture And Fixtures (4)
- Printing, Publishing, And Allied Industries (19)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (9)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (7)
- Industrial And Commercial Machinery And Computer Equipment (11)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (2)
- Transportation Equipment (4)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Miscellaneous Manufacturing Industries (23)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (50)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (1)
- Pipelines, Except Natural Gas (1)
- Transportation Services (20)
- Communications (20)
- Electric, Gas, And Sanitary Services (22)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (81)
- Wholesale Trade-non-durable Goods (47)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (35)
- General Merchandise Stores (13)
- Food Stores (46)
- Automotive Dealers And Gasoline Service Stations (62)
- Apparel And Accessory Stores (11)
- Home Furniture, Furnishings, And Equipment Stores (36)
- Eating And Drinking Places (71)
- Miscellaneous Retail (104)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (42)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (7)
- Personal Services (84)
- Business Services (835)
- Automotive Repair, Services, And Parking (56)
- Miscellaneous Repair Services (47)
- Motion Pictures (9)
- Amusement And Recreation Services (26)
- Health Services (93)
- Legal Services (28)
- Educational Services (27)
- Social Services (45)
- Museums, Art Galleries, And Botanical And Zoological Gardens (5)
- Membership Organizations (102)
- Engineering, Accounting, Research, Management, And Related Services (95)
- Miscellaneous Services (46)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (3)
- Justice, Public Order, And Safety (10)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (5)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (5)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (261)
