- Agriculture, Forestry & Fishing
- Agricultural Production Crops (21)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (255)
- Forestry (7)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (3)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (484)
- Heavy Construction Other Than Building Construction Contractors (54)
- Construction Special Trade Contractors (608)
- Manufacturing
- Food And Kindred Products (24)
- Tobacco Products (1)
- Textile Mill Products (7)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (24)
- Lumber And Wood Products, Except Furniture (26)
- Furniture And Fixtures (11)
- Paper And Allied Products (14)
- Printing, Publishing, And Allied Industries (109)
- Chemicals And Allied Products (54)
- Petroleum Refining And Related Industries (6)
- Rubber And Miscellaneous Plastics Products (10)
- Leather And Leather Products (2)
- Stone, Clay, Glass, And Concrete Products (22)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (45)
- Industrial And Commercial Machinery And Computer Equipment (44)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (23)
- Manufacturing (con't)
- Transportation Equipment (12)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (31)
- Miscellaneous Manufacturing Industries (64)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (57)
- Motor Freight Transportation And Warehousing (213)
- United States Postal Service (6)
- Water Transportation (1)
- Transportation By Air (13)
- Transportation Services (83)
- Communications (159)
- Electric, Gas, And Sanitary Services (38)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (544)
- Wholesale Trade-non-durable Goods (181)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (114)
- General Merchandise Stores (65)
- Food Stores (274)
- Automotive Dealers And Gasoline Service Stations (337)
- Apparel And Accessory Stores (298)
- Home Furniture, Furnishings, And Equipment Stores (261)
- Eating And Drinking Places (674)
- Miscellaneous Retail (862)
- Finance, Insurance & Real Estate (con't)
- Real Estate (622)
- Holding And Other Investment Offices (178)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (148)
- Personal Services (982)
- Business Services (3225)
- Automotive Repair, Services, And Parking (380)
- Miscellaneous Repair Services (298)
- Motion Pictures (52)
- Amusement And Recreation Services (263)
- Health Services (1040)
- Legal Services (247)
- Educational Services (267)
- Social Services (467)
- Museums, Art Galleries, And Botanical And Zoological Gardens (18)
- Membership Organizations (739)
- Engineering, Accounting, Research, Management, And Related Services (619)
- Miscellaneous Services (145)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (31)
- Justice, Public Order, And Safety (37)
- Public Finance, Taxation, And Monetary Policy (7)
- Administration Of Human Resource Programs (29)
- Administration Of Environmental Quality And Housing Programs (21)
- Administration Of Economic Programs (22)
- National Security And International Affairs (52)
- Nonclassifiable Establishments (1656)
