- Agriculture, Forestry & Fishing
- Agricultural Production Crops (272)
- Agriculture production livestock and animal specialties (172)
- Agricultural Services (581)
- Forestry (1)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Metal Mining (2)
- Coal Mining (19)
- Oil And Gas Extraction (33)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (12)
- Building Construction General Contractors And Operative Builders (794)
- Heavy Construction Other Than Building Construction Contractors (84)
- Construction Special Trade Contractors (1117)
- Manufacturing
- Food And Kindred Products (41)
- Tobacco Products (1)
- Textile Mill Products (10)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (45)
- Lumber And Wood Products, Except Furniture (36)
- Furniture And Fixtures (16)
- Paper And Allied Products (11)
- Printing, Publishing, And Allied Industries (204)
- Chemicals And Allied Products (68)
- Petroleum Refining And Related Industries (14)
- Rubber And Miscellaneous Plastics Products (19)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (37)
- Primary Metal Industries (15)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (62)
- Industrial And Commercial Machinery And Computer Equipment (82)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (48)
- Transportation Equipment (22)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (35)
- Miscellaneous Manufacturing Industries (76)
- Transportation & Utilities
- Railroad Transportation (5)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (35)
- Motor Freight Transportation And Warehousing (211)
- United States Postal Service (6)
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- Transportation By Air (29)
- Pipelines, Except Natural Gas (1)
- Transportation Services (123)
- Communications (197)
- Electric, Gas, And Sanitary Services (42)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (774)
- Wholesale Trade-non-durable Goods (400)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (165)
- General Merchandise Stores (72)
- Food Stores (337)
- Automotive Dealers And Gasoline Service Stations (344)
- Apparel And Accessory Stores (306)
- Home Furniture, Furnishings, And Equipment Stores (381)
- Eating And Drinking Places (1003)
- Miscellaneous Retail (1150)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (402)
- Real Estate (1577)
- Holding And Other Investment Offices (465)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (129)
- Personal Services (858)
- Business Services (5021)
- Automotive Repair, Services, And Parking (369)
- Miscellaneous Repair Services (307)
- Motion Pictures (106)
- Amusement And Recreation Services (435)
- Health Services (1780)
- Legal Services (587)
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- Social Services (550)
- Museums, Art Galleries, And Botanical And Zoological Gardens (30)
- Membership Organizations (1013)
- Engineering, Accounting, Research, Management, And Related Services (1519)
- Miscellaneous Services (265)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (78)
- Justice, Public Order, And Safety (53)
- Public Finance, Taxation, And Monetary Policy (9)
- Administration Of Human Resource Programs (32)
- Administration Of Environmental Quality And Housing Programs (21)
- Administration Of Economic Programs (39)
- National Security And International Affairs (15)
- Nonclassifiable Establishments (2646)
