- Agriculture, Forestry & Fishing
- Agricultural Production Crops (18)
- Agriculture production livestock and animal specialties (5)
- Agricultural Services (15)
- Construction & Mining
- Oil And Gas Extraction (7)
- Building Construction General Contractors And Operative Builders (38)
- Heavy Construction Other Than Building Construction Contractors (2)
- Construction Special Trade Contractors (54)
- Manufacturing
- Food And Kindred Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (1)
- Printing, Publishing, And Allied Industries (3)
- Chemicals And Allied Products (2)
- Rubber And Miscellaneous Plastics Products (1)
- Stone, Clay, Glass, And Concrete Products (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (2)
- Industrial And Commercial Machinery And Computer Equipment (4)
- Transportation Equipment (1)
- Miscellaneous Manufacturing Industries (3)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1)
- Transportation & Utilities (con't)
- Motor Freight Transportation And Warehousing (9)
- Transportation Services (4)
- Communications (3)
- Electric, Gas, And Sanitary Services (2)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (10)
- Wholesale Trade-non-durable Goods (5)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (5)
- General Merchandise Stores (2)
- Food Stores (5)
- Automotive Dealers And Gasoline Service Stations (5)
- Home Furniture, Furnishings, And Equipment Stores (5)
- Eating And Drinking Places (7)
- Miscellaneous Retail (12)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (8)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (1)
- Personal Services (16)
- Business Services (170)
- Automotive Repair, Services, And Parking (6)
- Miscellaneous Repair Services (20)
- Amusement And Recreation Services (5)
- Health Services (7)
- Legal Services (2)
- Educational Services (8)
- Social Services (8)
- Membership Organizations (18)
- Engineering, Accounting, Research, Management, And Related Services (14)
- Miscellaneous Services (4)
