- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (51)
- Fishing, hunting, and trapping (7)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (100)
- Heavy Construction Other Than Building Construction Contractors (12)
- Construction Special Trade Contractors (133)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (4)
- Printing, Publishing, And Allied Industries (6)
- Chemicals And Allied Products (2)
- Rubber And Miscellaneous Plastics Products (2)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (2)
- Industrial And Commercial Machinery And Computer Equipment (9)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (2)
- Transportation Equipment (3)
- Miscellaneous Manufacturing Industries (4)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (20)
- United States Postal Service (1)
- Water Transportation (7)
- Transportation Services (9)
- Communications (9)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (41)
- Wholesale Trade-non-durable Goods (20)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (25)
- General Merchandise Stores (3)
- Food Stores (18)
- Automotive Dealers And Gasoline Service Stations (23)
- Apparel And Accessory Stores (10)
- Home Furniture, Furnishings, And Equipment Stores (33)
- Eating And Drinking Places (33)
- Miscellaneous Retail (84)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (22)
- Personal Services (44)
- Business Services (164)
- Automotive Repair, Services, And Parking (31)
- Miscellaneous Repair Services (32)
- Amusement And Recreation Services (38)
- Health Services (143)
- Legal Services (28)
- Educational Services (26)
- Social Services (40)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (33)
- Engineering, Accounting, Research, Management, And Related Services (53)
- Miscellaneous Services (10)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (22)
- Justice, Public Order, And Safety (16)
- Administration Of Human Resource Programs (5)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (3)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (69)