- Agriculture, Forestry & Fishing
- Agricultural Production Crops (71)
- Agriculture production livestock and animal specialties (116)
- Agricultural Services (672)
- Forestry (12)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Metal Mining (4)
- Coal Mining (4)
- Oil And Gas Extraction (34)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (12)
- Building Construction General Contractors And Operative Builders (1443)
- Heavy Construction Other Than Building Construction Contractors (124)
- Construction Special Trade Contractors (2179)
- Manufacturing
- Food And Kindred Products (68)
- Tobacco Products (1)
- Textile Mill Products (20)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (58)
- Lumber And Wood Products, Except Furniture (107)
- Furniture And Fixtures (35)
- Paper And Allied Products (13)
- Printing, Publishing, And Allied Industries (350)
- Chemicals And Allied Products (53)
- Petroleum Refining And Related Industries (15)
- Rubber And Miscellaneous Plastics Products (35)
- Leather And Leather Products (20)
- Stone, Clay, Glass, And Concrete Products (73)
- Primary Metal Industries (20)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (114)
- Industrial And Commercial Machinery And Computer Equipment (177)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (160)
- Transportation Equipment (47)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (118)
- Miscellaneous Manufacturing Industries (199)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (58)
- Motor Freight Transportation And Warehousing (498)
- United States Postal Service (9)
- Water Transportation (10)
- Transportation By Air (41)
- Pipelines, Except Natural Gas (1)
- Transportation Services (264)
- Communications (431)
- Electric, Gas, And Sanitary Services (126)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1279)
- Wholesale Trade-non-durable Goods (531)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (302)
- General Merchandise Stores (106)
- Food Stores (497)
- Automotive Dealers And Gasoline Service Stations (611)
- Apparel And Accessory Stores (412)
- Home Furniture, Furnishings, And Equipment Stores (588)
- Eating And Drinking Places (1375)
- Miscellaneous Retail (2080)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (545)
- Real Estate (2170)
- Holding And Other Investment Offices (798)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (279)
- Personal Services (1589)
- Business Services (10466)
- Automotive Repair, Services, And Parking (823)
- Miscellaneous Repair Services (967)
- Motion Pictures (237)
- Amusement And Recreation Services (802)
- Health Services (2245)
- Legal Services (593)
- Educational Services (632)
- Social Services (1001)
- Museums, Art Galleries, And Botanical And Zoological Gardens (47)
- Membership Organizations (1157)
- Engineering, Accounting, Research, Management, And Related Services (2870)
- Miscellaneous Services (533)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (62)
- Justice, Public Order, And Safety (64)
- Public Finance, Taxation, And Monetary Policy (13)
- Administration Of Human Resource Programs (21)
- Administration Of Environmental Quality And Housing Programs (23)
- Administration Of Economic Programs (18)
- National Security And International Affairs (145)
- Nonclassifiable Establishments (3453)
