- Agriculture, Forestry & Fishing
- Agricultural Production Crops (15)
- Agriculture production livestock and animal specialties (10)
- Agricultural Services (179)
- Forestry (2)
- Fishing, hunting, and trapping (5)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (4)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (417)
- Heavy Construction Other Than Building Construction Contractors (45)
- Construction Special Trade Contractors (679)
- Manufacturing
- Food And Kindred Products (52)
- Tobacco Products (1)
- Textile Mill Products (18)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (31)
- Lumber And Wood Products, Except Furniture (55)
- Furniture And Fixtures (26)
- Paper And Allied Products (20)
- Printing, Publishing, And Allied Industries (87)
- Chemicals And Allied Products (27)
- Petroleum Refining And Related Industries (9)
- Rubber And Miscellaneous Plastics Products (33)
- Leather And Leather Products (2)
- Stone, Clay, Glass, And Concrete Products (30)
- Primary Metal Industries (13)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (91)
- Industrial And Commercial Machinery And Computer Equipment (128)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (56)
- Transportation Equipment (44)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (29)
- Miscellaneous Manufacturing Industries (84)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (27)
- Motor Freight Transportation And Warehousing (352)
- United States Postal Service (4)
- Water Transportation (9)
- Transportation By Air (20)
- Transportation Services (173)
- Communications (75)
- Electric, Gas, And Sanitary Services (34)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (718)
- Wholesale Trade-non-durable Goods (323)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (113)
- General Merchandise Stores (22)
- Food Stores (202)
- Automotive Dealers And Gasoline Service Stations (199)
- Apparel And Accessory Stores (117)
- Home Furniture, Furnishings, And Equipment Stores (202)
- Eating And Drinking Places (421)
- Miscellaneous Retail (469)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (92)
- Real Estate (371)
- Holding And Other Investment Offices (80)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (41)
- Personal Services (447)
- Business Services (2134)
- Automotive Repair, Services, And Parking (248)
- Miscellaneous Repair Services (394)
- Motion Pictures (42)
- Amusement And Recreation Services (154)
- Health Services (375)
- Legal Services (78)
- Educational Services (128)
- Social Services (236)
- Museums, Art Galleries, And Botanical And Zoological Gardens (7)
- Membership Organizations (210)
- Engineering, Accounting, Research, Management, And Related Services (487)
- Miscellaneous Services (130)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (26)
- Justice, Public Order, And Safety (31)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (12)
- Administration Of Environmental Quality And Housing Programs (11)
- Administration Of Economic Programs (13)
- National Security And International Affairs (5)
- Nonclassifiable Establishments (807)
