- Agriculture, Forestry & Fishing
- Agricultural Production Crops (8)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (31)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (79)
- Heavy Construction Other Than Building Construction Contractors (7)
- Construction Special Trade Contractors (68)
- Manufacturing
- Food And Kindred Products (10)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (4)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (20)
- Chemicals And Allied Products (11)
- Rubber And Miscellaneous Plastics Products (7)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (11)
- Industrial And Commercial Machinery And Computer Equipment (29)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (12)
- Transportation Equipment (2)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (14)
- Miscellaneous Manufacturing Industries (14)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Motor Freight Transportation And Warehousing (28)
- Water Transportation (1)
- Transportation Services (17)
- Communications (25)
- Electric, Gas, And Sanitary Services (6)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (114)
- Wholesale Trade-non-durable Goods (51)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (15)
- General Merchandise Stores (18)
- Food Stores (27)
- Automotive Dealers And Gasoline Service Stations (18)
- Apparel And Accessory Stores (53)
- Home Furniture, Furnishings, And Equipment Stores (34)
- Eating And Drinking Places (63)
- Miscellaneous Retail (127)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (28)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (7)
- Personal Services (63)
- Business Services (418)
- Automotive Repair, Services, And Parking (29)
- Miscellaneous Repair Services (31)
- Motion Pictures (5)
- Amusement And Recreation Services (32)
- Health Services (210)
- Legal Services (116)
- Educational Services (36)
- Social Services (42)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (49)
- Engineering, Accounting, Research, Management, And Related Services (233)
- Miscellaneous Services (19)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (8)
- Justice, Public Order, And Safety (6)
- Administration Of Environmental Quality And Housing Programs (1)
- Administration Of Economic Programs (2)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (160)