- Agriculture, Forestry & Fishing
- Agricultural Production Crops (75)
- Agriculture production livestock and animal specialties (17)
- Agricultural Services (556)
- Forestry (2)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Coal Mining (2)
- Oil And Gas Extraction (7)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (8)
- Building Construction General Contractors And Operative Builders (1492)
- Heavy Construction Other Than Building Construction Contractors (97)
- Construction Special Trade Contractors (1624)
- Manufacturing
- Food And Kindred Products (53)
- Textile Mill Products (21)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (68)
- Lumber And Wood Products, Except Furniture (79)
- Furniture And Fixtures (33)
- Paper And Allied Products (32)
- Printing, Publishing, And Allied Industries (297)
- Chemicals And Allied Products (77)
- Petroleum Refining And Related Industries (20)
- Rubber And Miscellaneous Plastics Products (25)
- Leather And Leather Products (13)
- Stone, Clay, Glass, And Concrete Products (52)
- Primary Metal Industries (21)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (80)
- Industrial And Commercial Machinery And Computer Equipment (147)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (98)
- Manufacturing (con't)
- Transportation Equipment (32)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (64)
- Miscellaneous Manufacturing Industries (173)
- Transportation & Utilities
- Railroad Transportation (6)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (104)
- Motor Freight Transportation And Warehousing (234)
- United States Postal Service (6)
- Water Transportation (5)
- Transportation By Air (19)
- Pipelines, Except Natural Gas (1)
- Transportation Services (340)
- Communications (320)
- Electric, Gas, And Sanitary Services (74)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1238)
- Wholesale Trade-non-durable Goods (670)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (259)
- General Merchandise Stores (66)
- Food Stores (463)
- Automotive Dealers And Gasoline Service Stations (563)
- Apparel And Accessory Stores (334)
- Home Furniture, Furnishings, And Equipment Stores (603)
- Eating And Drinking Places (1077)
- Miscellaneous Retail (1344)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (385)
- Real Estate (1753)
- Holding And Other Investment Offices (888)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (127)
- Personal Services (1218)
- Business Services (10293)
- Automotive Repair, Services, And Parking (782)
- Miscellaneous Repair Services (671)
- Motion Pictures (214)
- Amusement And Recreation Services (561)
- Health Services (1515)
- Legal Services (547)
- Educational Services (382)
- Social Services (485)
- Museums, Art Galleries, And Botanical And Zoological Gardens (23)
- Membership Organizations (966)
- Engineering, Accounting, Research, Management, And Related Services (2767)
- Miscellaneous Services (628)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (30)
- Justice, Public Order, And Safety (37)
- Public Finance, Taxation, And Monetary Policy (8)
- Administration Of Human Resource Programs (19)
- Administration Of Environmental Quality And Housing Programs (18)
- Administration Of Economic Programs (10)
- National Security And International Affairs (34)
- Nonclassifiable Establishments (4388)
