- Agriculture, Forestry & Fishing
- Agricultural Production Crops (204)
- Agriculture production livestock and animal specialties (33)
- Agricultural Services (124)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (271)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (340)
- Manufacturing
- Food And Kindred Products (16)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (8)
- Lumber And Wood Products, Except Furniture (10)
- Furniture And Fixtures (6)
- Paper And Allied Products (3)
- Printing, Publishing, And Allied Industries (41)
- Chemicals And Allied Products (23)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (10)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (11)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (19)
- Industrial And Commercial Machinery And Computer Equipment (25)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (16)
- Transportation Equipment (16)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (15)
- Miscellaneous Manufacturing Industries (34)
- Transportation & Utilities
- Railroad Transportation (6)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (15)
- Motor Freight Transportation And Warehousing (130)
- United States Postal Service (3)
- Transportation By Air (1)
- Transportation Services (43)
- Communications (56)
- Electric, Gas, And Sanitary Services (25)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (212)
- Wholesale Trade-non-durable Goods (91)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (72)
- General Merchandise Stores (23)
- Food Stores (107)
- Automotive Dealers And Gasoline Service Stations (151)
- Apparel And Accessory Stores (107)
- Home Furniture, Furnishings, And Equipment Stores (137)
- Eating And Drinking Places (282)
- Miscellaneous Retail (393)
- Finance, Insurance & Real Estate (con't)
- Real Estate (373)
- Holding And Other Investment Offices (71)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (58)
- Personal Services (271)
- Business Services (1076)
- Automotive Repair, Services, And Parking (160)
- Miscellaneous Repair Services (132)
- Motion Pictures (27)
- Amusement And Recreation Services (106)
- Health Services (329)
- Legal Services (89)
- Educational Services (106)
- Social Services (163)
- Museums, Art Galleries, And Botanical And Zoological Gardens (8)
- Membership Organizations (305)
- Engineering, Accounting, Research, Management, And Related Services (292)
- Miscellaneous Services (44)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (33)
- Justice, Public Order, And Safety (24)
- Public Finance, Taxation, And Monetary Policy (4)
- Administration Of Human Resource Programs (7)
- Administration Of Environmental Quality And Housing Programs (10)
- Administration Of Economic Programs (8)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (561)
