- Agriculture, Forestry & Fishing
- Agricultural Production Crops (2)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (19)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (43)
- Heavy Construction Other Than Building Construction Contractors (8)
- Construction Special Trade Contractors (71)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (4)
- Lumber And Wood Products, Except Furniture (13)
- Furniture And Fixtures (2)
- Printing, Publishing, And Allied Industries (9)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (1)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Primary Metal Industries (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (9)
- Industrial And Commercial Machinery And Computer Equipment (10)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (8)
- Transportation Equipment (2)
- Miscellaneous Manufacturing Industries (7)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (5)
- Motor Freight Transportation And Warehousing (29)
- United States Postal Service (2)
- Transportation By Air (6)
- Transportation Services (9)
- Communications (19)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (82)
- Wholesale Trade-non-durable Goods (22)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (24)
- General Merchandise Stores (7)
- Food Stores (26)
- Automotive Dealers And Gasoline Service Stations (46)
- Apparel And Accessory Stores (18)
- Home Furniture, Furnishings, And Equipment Stores (33)
- Eating And Drinking Places (66)
- Miscellaneous Retail (82)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (7)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (21)
- Personal Services (82)
- Business Services (206)
- Automotive Repair, Services, And Parking (62)
- Miscellaneous Repair Services (37)
- Motion Pictures (3)
- Amusement And Recreation Services (21)
- Health Services (117)
- Legal Services (19)
- Educational Services (27)
- Social Services (50)
- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (57)
- Engineering, Accounting, Research, Management, And Related Services (57)
- Miscellaneous Services (12)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (7)
- Justice, Public Order, And Safety (11)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (5)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (64)