- Agriculture, Forestry & Fishing
- Agricultural Production Crops (15)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (66)
- Construction & Mining
- Oil And Gas Extraction (2)
- Building Construction General Contractors And Operative Builders (112)
- Heavy Construction Other Than Building Construction Contractors (6)
- Construction Special Trade Contractors (110)
- Manufacturing
- Food And Kindred Products (10)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (6)
- Lumber And Wood Products, Except Furniture (5)
- Printing, Publishing, And Allied Industries (84)
- Chemicals And Allied Products (74)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (4)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (7)
- Industrial And Commercial Machinery And Computer Equipment (11)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (18)
- Transportation Equipment (4)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (29)
- Miscellaneous Manufacturing Industries (11)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (23)
- Motor Freight Transportation And Warehousing (19)
- United States Postal Service (3)
- Water Transportation (1)
- Transportation By Air (2)
- Transportation Services (37)
- Communications (77)
- Electric, Gas, And Sanitary Services (14)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (118)
- Wholesale Trade-non-durable Goods (112)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (32)
- General Merchandise Stores (7)
- Food Stores (60)
- Automotive Dealers And Gasoline Service Stations (34)
- Apparel And Accessory Stores (84)
- Home Furniture, Furnishings, And Equipment Stores (93)
- Eating And Drinking Places (189)
- Miscellaneous Retail (221)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (43)
- Personal Services (119)
- Business Services (1228)
- Automotive Repair, Services, And Parking (35)
- Miscellaneous Repair Services (39)
- Motion Pictures (28)
- Amusement And Recreation Services (97)
- Health Services (552)
- Legal Services (298)
- Educational Services (163)
- Social Services (172)
- Museums, Art Galleries, And Botanical And Zoological Gardens (17)
- Membership Organizations (177)
- Engineering, Accounting, Research, Management, And Related Services (966)
- Miscellaneous Services (70)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (17)
- Justice, Public Order, And Safety (6)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (5)
- Administration Of Environmental Quality And Housing Programs (11)
- Administration Of Economic Programs (5)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (438)