- Agriculture, Forestry & Fishing
- Agricultural Production Crops (32)
- Agriculture production livestock and animal specialties (17)
- Agricultural Services (110)
- Forestry (1)
- Fishing, hunting, and trapping (6)
- Construction & Mining
- Oil And Gas Extraction (12)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (1276)
- Heavy Construction Other Than Building Construction Contractors (77)
- Construction Special Trade Contractors (1851)
- Manufacturing
- Food And Kindred Products (107)
- Tobacco Products (1)
- Textile Mill Products (29)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (90)
- Lumber And Wood Products, Except Furniture (66)
- Furniture And Fixtures (49)
- Paper And Allied Products (28)
- Printing, Publishing, And Allied Industries (274)
- Chemicals And Allied Products (64)
- Petroleum Refining And Related Industries (14)
- Rubber And Miscellaneous Plastics Products (29)
- Leather And Leather Products (7)
- Stone, Clay, Glass, And Concrete Products (38)
- Primary Metal Industries (15)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (120)
- Industrial And Commercial Machinery And Computer Equipment (87)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (53)
- Manufacturing (con't)
- Transportation Equipment (18)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (45)
- Miscellaneous Manufacturing Industries (147)
- Transportation & Utilities
- Railroad Transportation (4)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (345)
- Motor Freight Transportation And Warehousing (568)
- United States Postal Service (46)
- Water Transportation (35)
- Transportation By Air (9)
- Transportation Services (563)
- Communications (487)
- Electric, Gas, And Sanitary Services (94)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1197)
- Wholesale Trade-non-durable Goods (1113)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (551)
- General Merchandise Stores (408)
- Food Stores (2967)
- Automotive Dealers And Gasoline Service Stations (645)
- Apparel And Accessory Stores (993)
- Home Furniture, Furnishings, And Equipment Stores (794)
- Eating And Drinking Places (3007)
- Miscellaneous Retail (2501)
- Finance, Insurance & Real Estate (con't)
- Real Estate (3178)
- Holding And Other Investment Offices (295)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (98)
- Personal Services (3395)
- Business Services (5657)
- Automotive Repair, Services, And Parking (1490)
- Miscellaneous Repair Services (1499)
- Motion Pictures (310)
- Amusement And Recreation Services (737)
- Health Services (2522)
- Legal Services (572)
- Educational Services (1088)
- Social Services (1349)
- Museums, Art Galleries, And Botanical And Zoological Gardens (33)
- Membership Organizations (1713)
- Engineering, Accounting, Research, Management, And Related Services (1608)
- Miscellaneous Services (561)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (63)
- Justice, Public Order, And Safety (80)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (94)
- Administration Of Environmental Quality And Housing Programs (99)
- Administration Of Economic Programs (24)
- National Security And International Affairs (21)
- Nonclassifiable Establishments (5414)
