- Agriculture, Forestry & Fishing
- Agricultural Production Crops (36)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (262)
- Forestry (7)
- Fishing, hunting, and trapping (8)
- Construction & Mining
- Oil And Gas Extraction (11)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (659)
- Heavy Construction Other Than Building Construction Contractors (58)
- Construction Special Trade Contractors (864)
- Manufacturing
- Food And Kindred Products (31)
- Textile Mill Products (18)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (44)
- Lumber And Wood Products, Except Furniture (61)
- Furniture And Fixtures (12)
- Paper And Allied Products (10)
- Printing, Publishing, And Allied Industries (110)
- Chemicals And Allied Products (31)
- Petroleum Refining And Related Industries (4)
- Rubber And Miscellaneous Plastics Products (10)
- Leather And Leather Products (6)
- Stone, Clay, Glass, And Concrete Products (28)
- Primary Metal Industries (8)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (32)
- Industrial And Commercial Machinery And Computer Equipment (47)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (26)
- Manufacturing (con't)
- Transportation Equipment (32)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (48)
- Miscellaneous Manufacturing Industries (63)
- Transportation & Utilities
- Railroad Transportation (4)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (61)
- Motor Freight Transportation And Warehousing (218)
- United States Postal Service (11)
- Water Transportation (43)
- Transportation By Air (13)
- Transportation Services (198)
- Communications (134)
- Electric, Gas, And Sanitary Services (36)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (504)
- Wholesale Trade-non-durable Goods (212)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (114)
- General Merchandise Stores (74)
- Food Stores (312)
- Automotive Dealers And Gasoline Service Stations (282)
- Apparel And Accessory Stores (315)
- Home Furniture, Furnishings, And Equipment Stores (328)
- Eating And Drinking Places (814)
- Miscellaneous Retail (944)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (184)
- Real Estate (913)
- Holding And Other Investment Offices (198)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (165)
- Personal Services (742)
- Business Services (2765)
- Automotive Repair, Services, And Parking (265)
- Miscellaneous Repair Services (255)
- Motion Pictures (71)
- Amusement And Recreation Services (296)
- Health Services (1067)
- Legal Services (604)
- Educational Services (272)
- Social Services (339)
- Museums, Art Galleries, And Botanical And Zoological Gardens (86)
- Membership Organizations (617)
- Engineering, Accounting, Research, Management, And Related Services (1034)
- Miscellaneous Services (212)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (86)
- Justice, Public Order, And Safety (39)
- Public Finance, Taxation, And Monetary Policy (9)
- Administration Of Human Resource Programs (47)
- Administration Of Environmental Quality And Housing Programs (27)
- Administration Of Economic Programs (35)
- National Security And International Affairs (47)
- Nonclassifiable Establishments (1330)
