- Agriculture, Forestry & Fishing
- Agricultural Production Crops (16)
- Agriculture production livestock and animal specialties (9)
- Agricultural Services (41)
- Forestry (2)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (96)
- Heavy Construction Other Than Building Construction Contractors (17)
- Construction Special Trade Contractors (104)
- Manufacturing
- Food And Kindred Products (7)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (10)
- Printing, Publishing, And Allied Industries (5)
- Chemicals And Allied Products (3)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (1)
- Stone, Clay, Glass, And Concrete Products (5)
- Primary Metal Industries (3)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (2)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Transportation Equipment (3)
- Miscellaneous Manufacturing Industries (6)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (5)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (34)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (4)
- Transportation Services (6)
- Communications (11)
- Electric, Gas, And Sanitary Services (10)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (35)
- Wholesale Trade-non-durable Goods (17)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (13)
- General Merchandise Stores (4)
- Food Stores (27)
- Automotive Dealers And Gasoline Service Stations (37)
- Apparel And Accessory Stores (5)
- Home Furniture, Furnishings, And Equipment Stores (16)
- Eating And Drinking Places (42)
- Miscellaneous Retail (52)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (3)
- Personal Services (47)
- Business Services (468)
- Automotive Repair, Services, And Parking (27)
- Miscellaneous Repair Services (29)
- Motion Pictures (3)
- Amusement And Recreation Services (16)
- Health Services (31)
- Legal Services (15)
- Educational Services (19)
- Social Services (21)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (48)
- Engineering, Accounting, Research, Management, And Related Services (38)
- Miscellaneous Services (12)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (6)
- Justice, Public Order, And Safety (7)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (2)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (182)
