- Agriculture, Forestry & Fishing
- Agricultural Production Crops (11)
- Agriculture production livestock and animal specialties (3)
- Agricultural Services (90)
- Forestry (3)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (207)
- Heavy Construction Other Than Building Construction Contractors (17)
- Construction Special Trade Contractors (277)
- Manufacturing
- Food And Kindred Products (8)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (11)
- Lumber And Wood Products, Except Furniture (20)
- Furniture And Fixtures (5)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (23)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (5)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (13)
- Industrial And Commercial Machinery And Computer Equipment (19)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (6)
- Transportation Equipment (10)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (5)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (27)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (14)
- Motor Freight Transportation And Warehousing (51)
- United States Postal Service (4)
- Water Transportation (6)
- Transportation By Air (1)
- Transportation Services (13)
- Communications (33)
- Electric, Gas, And Sanitary Services (17)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (118)
- Wholesale Trade-non-durable Goods (69)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (45)
- General Merchandise Stores (14)
- Food Stores (82)
- Automotive Dealers And Gasoline Service Stations (96)
- Apparel And Accessory Stores (41)
- Home Furniture, Furnishings, And Equipment Stores (58)
- Eating And Drinking Places (205)
- Miscellaneous Retail (270)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (19)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (33)
- Personal Services (211)
- Business Services (799)
- Automotive Repair, Services, And Parking (121)
- Miscellaneous Repair Services (105)
- Motion Pictures (28)
- Amusement And Recreation Services (95)
- Health Services (250)
- Legal Services (33)
- Educational Services (76)
- Social Services (166)
- Museums, Art Galleries, And Botanical And Zoological Gardens (5)
- Membership Organizations (168)
- Engineering, Accounting, Research, Management, And Related Services (214)
- Miscellaneous Services (71)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (12)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (14)
- Administration Of Environmental Quality And Housing Programs (7)
- Administration Of Economic Programs (3)
- National Security And International Affairs (44)
- Nonclassifiable Establishments (236)
