- Agriculture, Forestry & Fishing
- Agricultural Production Crops (45)
- Agriculture production livestock and animal specialties (40)
- Agricultural Services (25)
- Forestry (6)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Metal Mining (2)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (56)
- Heavy Construction Other Than Building Construction Contractors (10)
- Construction Special Trade Contractors (71)
- Manufacturing
- Food And Kindred Products (9)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (10)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (9)
- Chemicals And Allied Products (2)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (4)
- Industrial And Commercial Machinery And Computer Equipment (3)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Transportation Equipment (4)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (2)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (8)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (7)
- Motor Freight Transportation And Warehousing (48)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (5)
- Transportation Services (12)
- Communications (17)
- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (37)
- Wholesale Trade-non-durable Goods (36)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (22)
- General Merchandise Stores (5)
- Food Stores (29)
- Automotive Dealers And Gasoline Service Stations (30)
- Apparel And Accessory Stores (17)
- Home Furniture, Furnishings, And Equipment Stores (26)
- Eating And Drinking Places (72)
- Miscellaneous Retail (100)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (15)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (33)
- Personal Services (65)
- Business Services (257)
- Automotive Repair, Services, And Parking (53)
- Miscellaneous Repair Services (42)
- Motion Pictures (8)
- Amusement And Recreation Services (32)
- Health Services (105)
- Legal Services (23)
- Educational Services (29)
- Social Services (50)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (73)
- Engineering, Accounting, Research, Management, And Related Services (61)
- Miscellaneous Services (12)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (19)
- Justice, Public Order, And Safety (16)
- Public Finance, Taxation, And Monetary Policy (3)
- Administration Of Human Resource Programs (8)
- Administration Of Environmental Quality And Housing Programs (11)
- Administration Of Economic Programs (15)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (151)
