- Agriculture, Forestry & Fishing
- Agricultural Production Crops (6)
- Agriculture production livestock and animal specialties (27)
- Agricultural Services (121)
- Forestry (21)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Oil And Gas Extraction (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (297)
- Heavy Construction Other Than Building Construction Contractors (25)
- Construction Special Trade Contractors (436)
- Manufacturing
- Food And Kindred Products (26)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (13)
- Lumber And Wood Products, Except Furniture (25)
- Furniture And Fixtures (8)
- Paper And Allied Products (3)
- Printing, Publishing, And Allied Industries (64)
- Chemicals And Allied Products (8)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (5)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (22)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (13)
- Industrial And Commercial Machinery And Computer Equipment (26)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (14)
- Transportation Equipment (9)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (11)
- Miscellaneous Manufacturing Industries (41)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (23)
- Motor Freight Transportation And Warehousing (115)
- United States Postal Service (2)
- Water Transportation (4)
- Transportation By Air (7)
- Pipelines, Except Natural Gas (1)
- Transportation Services (51)
- Communications (72)
- Electric, Gas, And Sanitary Services (34)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (185)
- Wholesale Trade-non-durable Goods (100)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (62)
- General Merchandise Stores (24)
- Food Stores (105)
- Automotive Dealers And Gasoline Service Stations (127)
- Apparel And Accessory Stores (83)
- Home Furniture, Furnishings, And Equipment Stores (119)
- Eating And Drinking Places (310)
- Miscellaneous Retail (425)
- Finance, Insurance & Real Estate (con't)
- Real Estate (338)
- Holding And Other Investment Offices (162)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (119)
- Personal Services (307)
- Business Services (1536)
- Automotive Repair, Services, And Parking (200)
- Miscellaneous Repair Services (148)
- Motion Pictures (31)
- Amusement And Recreation Services (146)
- Health Services (496)
- Legal Services (107)
- Educational Services (139)
- Social Services (178)
- Museums, Art Galleries, And Botanical And Zoological Gardens (17)
- Membership Organizations (189)
- Engineering, Accounting, Research, Management, And Related Services (490)
- Miscellaneous Services (120)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (36)
- Justice, Public Order, And Safety (31)
- Public Finance, Taxation, And Monetary Policy (3)
- Administration Of Human Resource Programs (18)
- Administration Of Environmental Quality And Housing Programs (26)
- Administration Of Economic Programs (16)
- National Security And International Affairs (8)
- Nonclassifiable Establishments (655)
