- Agriculture, Forestry & Fishing
- Agricultural Production Crops (48)
- Agriculture production livestock and animal specialties (31)
- Agricultural Services (110)
- Forestry (7)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (220)
- Heavy Construction Other Than Building Construction Contractors (21)
- Construction Special Trade Contractors (360)
- Manufacturing
- Food And Kindred Products (14)
- Textile Mill Products (14)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (17)
- Lumber And Wood Products, Except Furniture (20)
- Furniture And Fixtures (23)
- Paper And Allied Products (7)
- Printing, Publishing, And Allied Industries (42)
- Chemicals And Allied Products (16)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (9)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (6)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (28)
- Industrial And Commercial Machinery And Computer Equipment (26)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (13)
- Transportation Equipment (7)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (25)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (13)
- Motor Freight Transportation And Warehousing (93)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation Services (43)
- Communications (45)
- Electric, Gas, And Sanitary Services (18)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (202)
- Wholesale Trade-non-durable Goods (76)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (60)
- General Merchandise Stores (30)
- Food Stores (115)
- Automotive Dealers And Gasoline Service Stations (211)
- Apparel And Accessory Stores (74)
- Home Furniture, Furnishings, And Equipment Stores (110)
- Eating And Drinking Places (237)
- Miscellaneous Retail (347)
- Finance, Insurance & Real Estate (con't)
- Real Estate (244)
- Holding And Other Investment Offices (67)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (39)
- Personal Services (255)
- Business Services (1547)
- Automotive Repair, Services, And Parking (175)
- Miscellaneous Repair Services (91)
- Motion Pictures (29)
- Amusement And Recreation Services (87)
- Health Services (327)
- Legal Services (50)
- Educational Services (73)
- Social Services (117)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (357)
- Engineering, Accounting, Research, Management, And Related Services (168)
- Miscellaneous Services (53)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (7)
- Justice, Public Order, And Safety (34)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (10)
- Administration Of Environmental Quality And Housing Programs (9)
- Administration Of Economic Programs (8)
- National Security And International Affairs (6)
- Nonclassifiable Establishments (542)