- Agriculture, Forestry & Fishing
- Agricultural Production Crops (52)
- Agriculture production livestock and animal specialties (5)
- Agricultural Services (19)
- Forestry (2)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (5)
- Building Construction General Contractors And Operative Builders (38)
- Heavy Construction Other Than Building Construction Contractors (7)
- Construction Special Trade Contractors (69)
- Manufacturing
- Food And Kindred Products (1)
- Textile Mill Products (1)
- Lumber And Wood Products, Except Furniture (3)
- Printing, Publishing, And Allied Industries (1)
- Chemicals And Allied Products (1)
- Petroleum Refining And Related Industries (1)
- Stone, Clay, Glass, And Concrete Products (1)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (1)
- Industrial And Commercial Machinery And Computer Equipment (2)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (2)
- Transportation Equipment (2)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (3)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (20)
- United States Postal Service (1)
- Pipelines, Except Natural Gas (1)
- Transportation Services (4)
- Electric, Gas, And Sanitary Services (4)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (11)
- Wholesale Trade-non-durable Goods (13)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (6)
- General Merchandise Stores (1)
- Food Stores (10)
- Automotive Dealers And Gasoline Service Stations (5)
- Apparel And Accessory Stores (1)
- Home Furniture, Furnishings, And Equipment Stores (7)
- Eating And Drinking Places (10)
- Miscellaneous Retail (26)
- Finance, Insurance & Real Estate
- Depository Institutions (2)
- Non-depository Credit Institutions (2)
- Insurance Agents, Brokers, And Service (4)
- Real Estate (8)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (6)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (3)
- Personal Services (14)
- Business Services (121)
- Automotive Repair, Services, And Parking (7)
- Miscellaneous Repair Services (16)
- Amusement And Recreation Services (3)
- Health Services (11)
- Legal Services (1)
- Educational Services (9)
- Social Services (2)
- Membership Organizations (24)
- Engineering, Accounting, Research, Management, And Related Services (11)
- Miscellaneous Services (6)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (2)
- Justice, Public Order, And Safety (7)
- Administration Of Human Resource Programs (1)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (1)
- Nonclassifiable Establishments (44)
