- Agriculture, Forestry & Fishing
- Agricultural Production Crops (6)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (67)
- Construction & Mining
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (206)
- Heavy Construction Other Than Building Construction Contractors (34)
- Construction Special Trade Contractors (277)
- Manufacturing
- Food And Kindred Products (9)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (6)
- Lumber And Wood Products, Except Furniture (9)
- Furniture And Fixtures (9)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (54)
- Chemicals And Allied Products (11)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (14)
- Primary Metal Industries (3)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (8)
- Industrial And Commercial Machinery And Computer Equipment (15)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (17)
- Transportation Equipment (6)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (19)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (23)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (14)
- Motor Freight Transportation And Warehousing (51)
- United States Postal Service (1)
- Transportation By Air (6)
- Pipelines, Except Natural Gas (1)
- Transportation Services (29)
- Communications (72)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (212)
- Wholesale Trade-non-durable Goods (78)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (40)
- General Merchandise Stores (6)
- Food Stores (50)
- Automotive Dealers And Gasoline Service Stations (66)
- Apparel And Accessory Stores (23)
- Home Furniture, Furnishings, And Equipment Stores (128)
- Eating And Drinking Places (158)
- Miscellaneous Retail (148)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (64)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (30)
- Personal Services (102)
- Business Services (1149)
- Automotive Repair, Services, And Parking (98)
- Miscellaneous Repair Services (80)
- Motion Pictures (27)
- Amusement And Recreation Services (72)
- Health Services (130)
- Legal Services (21)
- Educational Services (52)
- Social Services (41)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (118)
- Engineering, Accounting, Research, Management, And Related Services (591)
- Miscellaneous Services (65)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (6)
- Justice, Public Order, And Safety (12)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (3)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (4)
- National Security And International Affairs (5)
- Nonclassifiable Establishments (549)
