- Agriculture, Forestry & Fishing
- Agricultural Production Crops (9)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (67)
- Forestry (2)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (178)
- Heavy Construction Other Than Building Construction Contractors (23)
- Construction Special Trade Contractors (258)
- Manufacturing
- Food And Kindred Products (8)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (9)
- Furniture And Fixtures (1)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (27)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (3)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (8)
- Industrial And Commercial Machinery And Computer Equipment (16)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (3)
- Transportation Equipment (1)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (5)
- Miscellaneous Manufacturing Industries (14)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Motor Freight Transportation And Warehousing (35)
- United States Postal Service (2)
- Water Transportation (10)
- Transportation By Air (3)
- Transportation Services (20)
- Communications (35)
- Electric, Gas, And Sanitary Services (17)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (66)
- Wholesale Trade-non-durable Goods (30)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (41)
- General Merchandise Stores (15)
- Food Stores (61)
- Automotive Dealers And Gasoline Service Stations (55)
- Apparel And Accessory Stores (44)
- Home Furniture, Furnishings, And Equipment Stores (72)
- Eating And Drinking Places (136)
- Miscellaneous Retail (190)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (22)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (28)
- Personal Services (162)
- Business Services (589)
- Automotive Repair, Services, And Parking (79)
- Miscellaneous Repair Services (66)
- Motion Pictures (9)
- Amusement And Recreation Services (64)
- Health Services (188)
- Legal Services (68)
- Educational Services (60)
- Social Services (76)
- Museums, Art Galleries, And Botanical And Zoological Gardens (10)
- Membership Organizations (140)
- Engineering, Accounting, Research, Management, And Related Services (144)
- Miscellaneous Services (30)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (24)
- Justice, Public Order, And Safety (25)
- Public Finance, Taxation, And Monetary Policy (5)
- Administration Of Human Resource Programs (14)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (3)
- National Security And International Affairs (29)
- Nonclassifiable Establishments (237)
