- Agriculture, Forestry & Fishing
- Agricultural Services (21)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (49)
- Heavy Construction Other Than Building Construction Contractors (8)
- Construction Special Trade Contractors (95)
- Manufacturing
- Food And Kindred Products (7)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (3)
- Lumber And Wood Products, Except Furniture (3)
- Furniture And Fixtures (2)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (34)
- Chemicals And Allied Products (4)
- Rubber And Miscellaneous Plastics Products (3)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (7)
- Industrial And Commercial Machinery And Computer Equipment (13)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (19)
- Transportation Equipment (3)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (14)
- Miscellaneous Manufacturing Industries (17)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (17)
- Motor Freight Transportation And Warehousing (26)
- United States Postal Service (1)
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- Transportation Services (14)
- Communications (22)
- Electric, Gas, And Sanitary Services (6)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (121)
- Wholesale Trade-non-durable Goods (58)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (21)
- General Merchandise Stores (3)
- Food Stores (27)
- Automotive Dealers And Gasoline Service Stations (28)
- Apparel And Accessory Stores (13)
- Home Furniture, Furnishings, And Equipment Stores (24)
- Eating And Drinking Places (51)
- Miscellaneous Retail (86)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (20)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (55)
- Business Services (252)
- Automotive Repair, Services, And Parking (45)
- Miscellaneous Repair Services (54)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (39)
- Engineering, Accounting, Research, Management, And Related Services (114)
- Miscellaneous Services (14)
