- Agriculture, Forestry & Fishing
- Agricultural Production Crops (12)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (39)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (57)
- Oil And Gas Extraction (6)
- Building Construction General Contractors And Operative Builders (80)
- Heavy Construction Other Than Building Construction Contractors (9)
- Construction Special Trade Contractors (156)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (5)
- Furniture And Fixtures (2)
- Printing, Publishing, And Allied Industries (13)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (5)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (5)
- Primary Metal Industries (11)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (10)
- Industrial And Commercial Machinery And Computer Equipment (12)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (6)
- Transportation Equipment (5)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (8)
- Miscellaneous Manufacturing Industries (14)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (11)
- Motor Freight Transportation And Warehousing (55)
- United States Postal Service (2)
- Water Transportation (3)
- Transportation Services (18)
- Communications (30)
- Electric, Gas, And Sanitary Services (23)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (142)
- Wholesale Trade-non-durable Goods (53)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (28)
- General Merchandise Stores (18)
- Food Stores (55)
- Automotive Dealers And Gasoline Service Stations (103)
- Apparel And Accessory Stores (44)
- Home Furniture, Furnishings, And Equipment Stores (61)
- Eating And Drinking Places (145)
- Miscellaneous Retail (207)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (32)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (20)
- Personal Services (150)
- Business Services (573)
- Automotive Repair, Services, And Parking (93)
- Miscellaneous Repair Services (58)
- Motion Pictures (13)
- Amusement And Recreation Services (57)
- Health Services (323)
- Legal Services (49)
- Educational Services (56)
- Social Services (84)
- Museums, Art Galleries, And Botanical And Zoological Gardens (3)
- Membership Organizations (187)
- Engineering, Accounting, Research, Management, And Related Services (123)
- Miscellaneous Services (37)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (19)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (10)
- Administration Of Environmental Quality And Housing Programs (4)
- Administration Of Economic Programs (2)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (272)
