- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (24)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Building Construction General Contractors And Operative Builders (49)
- Heavy Construction Other Than Building Construction Contractors (7)
- Construction Special Trade Contractors (95)
- Manufacturing
- Food And Kindred Products (3)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (4)
- Furniture And Fixtures (2)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (8)
- Chemicals And Allied Products (12)
- Rubber And Miscellaneous Plastics Products (4)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (4)
- Industrial And Commercial Machinery And Computer Equipment (3)
- Transportation Equipment (2)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (2)
- Transportation & Utilities
- Railroad Transportation (2)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (10)
- Motor Freight Transportation And Warehousing (16)
- United States Postal Service (1)
- Water Transportation (4)
- Transportation Services (7)
- Communications (15)
- Electric, Gas, And Sanitary Services (8)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (32)
- Wholesale Trade-non-durable Goods (13)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (11)
- General Merchandise Stores (7)
- Food Stores (37)
- Automotive Dealers And Gasoline Service Stations (35)
- Apparel And Accessory Stores (13)
- Home Furniture, Furnishings, And Equipment Stores (22)
- Eating And Drinking Places (64)
- Miscellaneous Retail (64)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (12)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (8)
- Personal Services (68)
- Business Services (241)
- Automotive Repair, Services, And Parking (47)
- Miscellaneous Repair Services (45)
- Motion Pictures (9)
- Amusement And Recreation Services (19)
- Health Services (93)
- Legal Services (23)
- Educational Services (31)
- Social Services (38)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (117)
- Engineering, Accounting, Research, Management, And Related Services (47)
- Miscellaneous Services (15)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (8)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (2)
- Nonclassifiable Establishments (111)
