- Agriculture, Forestry & Fishing
- Agricultural Production Crops (22)
- Agriculture production livestock and animal specialties (12)
- Agricultural Services (246)
- Forestry (20)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (24)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (7)
- Building Construction General Contractors And Operative Builders (641)
- Heavy Construction Other Than Building Construction Contractors (85)
- Construction Special Trade Contractors (886)
- Manufacturing
- Food And Kindred Products (33)
- Textile Mill Products (11)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (38)
- Lumber And Wood Products, Except Furniture (58)
- Furniture And Fixtures (18)
- Paper And Allied Products (19)
- Printing, Publishing, And Allied Industries (122)
- Chemicals And Allied Products (47)
- Petroleum Refining And Related Industries (8)
- Rubber And Miscellaneous Plastics Products (15)
- Leather And Leather Products (6)
- Stone, Clay, Glass, And Concrete Products (28)
- Primary Metal Industries (21)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (74)
- Industrial And Commercial Machinery And Computer Equipment (67)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (54)
- Manufacturing (con't)
- Transportation Equipment (44)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (36)
- Miscellaneous Manufacturing Industries (63)
- Transportation & Utilities
- Railroad Transportation (6)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (39)
- Motor Freight Transportation And Warehousing (263)
- United States Postal Service (11)
- Water Transportation (69)
- Transportation By Air (27)
- Transportation Services (146)
- Communications (196)
- Electric, Gas, And Sanitary Services (53)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (854)
- Wholesale Trade-non-durable Goods (318)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (170)
- General Merchandise Stores (106)
- Food Stores (371)
- Automotive Dealers And Gasoline Service Stations (531)
- Apparel And Accessory Stores (299)
- Home Furniture, Furnishings, And Equipment Stores (347)
- Eating And Drinking Places (749)
- Miscellaneous Retail (1016)
- Finance, Insurance & Real Estate (con't)
- Real Estate (870)
- Holding And Other Investment Offices (179)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (115)
- Personal Services (1001)
- Business Services (3381)
- Automotive Repair, Services, And Parking (496)
- Miscellaneous Repair Services (335)
- Motion Pictures (71)
- Amusement And Recreation Services (280)
- Health Services (969)
- Legal Services (567)
- Educational Services (290)
- Social Services (496)
- Museums, Art Galleries, And Botanical And Zoological Gardens (28)
- Membership Organizations (883)
- Engineering, Accounting, Research, Management, And Related Services (948)
- Miscellaneous Services (180)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (66)
- Justice, Public Order, And Safety (58)
- Public Finance, Taxation, And Monetary Policy (18)
- Administration Of Human Resource Programs (36)
- Administration Of Environmental Quality And Housing Programs (20)
- Administration Of Economic Programs (52)
- National Security And International Affairs (16)
- Nonclassifiable Establishments (1283)
