- Agriculture, Forestry & Fishing
- Agricultural Production Crops (210)
- Agriculture production livestock and animal specialties (39)
- Agricultural Services (295)
- Forestry (2)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (5)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (6)
- Building Construction General Contractors And Operative Builders (636)
- Heavy Construction Other Than Building Construction Contractors (73)
- Construction Special Trade Contractors (1018)
- Manufacturing
- Food And Kindred Products (49)
- Tobacco Products (1)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (20)
- Lumber And Wood Products, Except Furniture (35)
- Furniture And Fixtures (19)
- Paper And Allied Products (10)
- Printing, Publishing, And Allied Industries (129)
- Chemicals And Allied Products (35)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (14)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (23)
- Primary Metal Industries (10)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (44)
- Industrial And Commercial Machinery And Computer Equipment (59)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (28)
- Transportation Equipment (34)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (33)
- Miscellaneous Manufacturing Industries (90)
- Transportation & Utilities
- Railroad Transportation (4)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (19)
- Motor Freight Transportation And Warehousing (222)
- United States Postal Service (6)
- Water Transportation (2)
- Transportation By Air (14)
- Pipelines, Except Natural Gas (1)
- Transportation Services (81)
- Communications (150)
- Electric, Gas, And Sanitary Services (67)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (541)
- Wholesale Trade-non-durable Goods (230)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (193)
- General Merchandise Stores (57)
- Food Stores (279)
- Automotive Dealers And Gasoline Service Stations (300)
- Apparel And Accessory Stores (203)
- Home Furniture, Furnishings, And Equipment Stores (286)
- Eating And Drinking Places (665)
- Miscellaneous Retail (905)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (62)
- Insurance Agents, Brokers, And Service (335)
- Real Estate (929)
- Holding And Other Investment Offices (269)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (117)
- Personal Services (754)
- Business Services (3180)
- Automotive Repair, Services, And Parking (397)
- Miscellaneous Repair Services (314)
- Motion Pictures (75)
- Amusement And Recreation Services (334)
- Health Services (971)
- Legal Services (271)
- Educational Services (351)
- Social Services (685)
- Museums, Art Galleries, And Botanical And Zoological Gardens (25)
- Membership Organizations (687)
- Engineering, Accounting, Research, Management, And Related Services (892)
- Miscellaneous Services (132)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (104)
- Justice, Public Order, And Safety (59)
- Public Finance, Taxation, And Monetary Policy (14)
- Administration Of Human Resource Programs (64)
- Administration Of Environmental Quality And Housing Programs (40)
- Administration Of Economic Programs (82)
- National Security And International Affairs (19)
- Nonclassifiable Establishments (1604)
