- Agriculture, Forestry & Fishing
- Agricultural Production Crops (2)
- Agricultural Services (55)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (117)
- Heavy Construction Other Than Building Construction Contractors (9)
- Construction Special Trade Contractors (176)
- Manufacturing
- Food And Kindred Products (1)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (7)
- Furniture And Fixtures (2)
- Printing, Publishing, And Allied Industries (8)
- Chemicals And Allied Products (3)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (9)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (1)
- Industrial And Commercial Machinery And Computer Equipment (6)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (2)
- Transportation Equipment (7)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (15)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (10)
- Motor Freight Transportation And Warehousing (14)
- United States Postal Service (1)
- Water Transportation (10)
- Transportation Services (12)
- Communications (22)
- Electric, Gas, And Sanitary Services (4)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (47)
- Wholesale Trade-non-durable Goods (38)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (12)
- General Merchandise Stores (10)
- Food Stores (25)
- Automotive Dealers And Gasoline Service Stations (41)
- Apparel And Accessory Stores (24)
- Home Furniture, Furnishings, And Equipment Stores (29)
- Eating And Drinking Places (90)
- Miscellaneous Retail (67)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (22)
- Real Estate (96)
- Holding And Other Investment Offices (47)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (19)
- Personal Services (77)
- Business Services (549)
- Automotive Repair, Services, And Parking (40)
- Miscellaneous Repair Services (60)
- Motion Pictures (14)
- Amusement And Recreation Services (42)
- Health Services (44)
- Legal Services (17)
- Educational Services (16)
- Social Services (12)
- Membership Organizations (70)
- Engineering, Accounting, Research, Management, And Related Services (103)
- Miscellaneous Services (40)
