- Agriculture, Forestry & Fishing
- Agricultural Production Crops (31)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (176)
- Forestry (2)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (13)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (6)
- Building Construction General Contractors And Operative Builders (630)
- Heavy Construction Other Than Building Construction Contractors (63)
- Construction Special Trade Contractors (847)
- Manufacturing
- Food And Kindred Products (90)
- Textile Mill Products (27)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (71)
- Lumber And Wood Products, Except Furniture (52)
- Furniture And Fixtures (28)
- Paper And Allied Products (21)
- Printing, Publishing, And Allied Industries (456)
- Chemicals And Allied Products (56)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (14)
- Leather And Leather Products (10)
- Stone, Clay, Glass, And Concrete Products (29)
- Primary Metal Industries (11)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (67)
- Industrial And Commercial Machinery And Computer Equipment (72)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (64)
- Manufacturing (con't)
- Transportation Equipment (19)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (44)
- Miscellaneous Manufacturing Industries (131)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (330)
- Motor Freight Transportation And Warehousing (223)
- United States Postal Service (30)
- Water Transportation (39)
- Transportation By Air (69)
- Transportation Services (429)
- Communications (401)
- Electric, Gas, And Sanitary Services (101)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (746)
- Wholesale Trade-non-durable Goods (551)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (137)
- General Merchandise Stores (80)
- Food Stores (790)
- Automotive Dealers And Gasoline Service Stations (243)
- Apparel And Accessory Stores (539)
- Home Furniture, Furnishings, And Equipment Stores (411)
- Eating And Drinking Places (2007)
- Miscellaneous Retail (1565)
- Finance, Insurance & Real Estate (con't)
- Real Estate (2423)
- Holding And Other Investment Offices (1883)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (254)
- Personal Services (1358)
- Business Services (5870)
- Automotive Repair, Services, And Parking (537)
- Miscellaneous Repair Services (957)
- Motion Pictures (232)
- Amusement And Recreation Services (639)
- Health Services (2338)
- Legal Services (3122)
- Educational Services (879)
- Social Services (902)
- Museums, Art Galleries, And Botanical And Zoological Gardens (105)
- Membership Organizations (1456)
- Engineering, Accounting, Research, Management, And Related Services (3271)
- Miscellaneous Services (383)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (210)
- Justice, Public Order, And Safety (193)
- Public Finance, Taxation, And Monetary Policy (43)
- Administration Of Human Resource Programs (174)
- Administration Of Environmental Quality And Housing Programs (99)
- Administration Of Economic Programs (152)
- National Security And International Affairs (74)
- Nonclassifiable Establishments (6014)
