- Agriculture, Forestry & Fishing
- Agricultural Production Crops (31)
- Agriculture production livestock and animal specialties (33)
- Agricultural Services (211)
- Forestry (12)
- Fishing, hunting, and trapping (33)
- Construction & Mining
- Metal Mining (5)
- Oil And Gas Extraction (8)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (8)
- Building Construction General Contractors And Operative Builders (440)
- Heavy Construction Other Than Building Construction Contractors (54)
- Construction Special Trade Contractors (529)
- Manufacturing
- Food And Kindred Products (47)
- Tobacco Products (2)
- Textile Mill Products (11)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (23)
- Lumber And Wood Products, Except Furniture (49)
- Furniture And Fixtures (13)
- Paper And Allied Products (9)
- Printing, Publishing, And Allied Industries (89)
- Chemicals And Allied Products (38)
- Petroleum Refining And Related Industries (5)
- Rubber And Miscellaneous Plastics Products (17)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (30)
- Primary Metal Industries (10)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (48)
- Industrial And Commercial Machinery And Computer Equipment (72)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (25)
- Transportation Equipment (43)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (20)
- Miscellaneous Manufacturing Industries (73)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (21)
- Motor Freight Transportation And Warehousing (105)
- United States Postal Service (3)
- Water Transportation (30)
- Transportation By Air (12)
- Pipelines, Except Natural Gas (1)
- Transportation Services (72)
- Communications (79)
- Electric, Gas, And Sanitary Services (34)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (386)
- Wholesale Trade-non-durable Goods (198)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (101)
- General Merchandise Stores (25)
- Food Stores (190)
- Automotive Dealers And Gasoline Service Stations (176)
- Apparel And Accessory Stores (149)
- Home Furniture, Furnishings, And Equipment Stores (186)
- Eating And Drinking Places (412)
- Miscellaneous Retail (620)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (29)
- Insurance Agents, Brokers, And Service (91)
- Real Estate (389)
- Holding And Other Investment Offices (92)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (79)
- Personal Services (476)
- Business Services (1730)
- Automotive Repair, Services, And Parking (208)
- Miscellaneous Repair Services (225)
- Motion Pictures (59)
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- Health Services (662)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (18)
- Membership Organizations (268)
- Engineering, Accounting, Research, Management, And Related Services (702)
- Miscellaneous Services (151)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (25)
- Justice, Public Order, And Safety (28)
- Public Finance, Taxation, And Monetary Policy (4)
- Administration Of Human Resource Programs (14)
- Administration Of Environmental Quality And Housing Programs (17)
- Administration Of Economic Programs (15)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (702)
