- Agriculture, Forestry & Fishing
- Agricultural Production Crops (50)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (56)
- Forestry (1)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (117)
- Heavy Construction Other Than Building Construction Contractors (12)
- Construction Special Trade Contractors (160)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (4)
- Lumber And Wood Products, Except Furniture (9)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (6)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (5)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (9)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (8)
- Transportation Equipment (5)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (12)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (11)
- Motor Freight Transportation And Warehousing (29)
- United States Postal Service (2)
- Water Transportation (6)
- Transportation By Air (6)
- Transportation Services (9)
- Communications (15)
- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (90)
- Wholesale Trade-non-durable Goods (51)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (42)
- General Merchandise Stores (10)
- Food Stores (50)
- Automotive Dealers And Gasoline Service Stations (59)
- Apparel And Accessory Stores (27)
- Home Furniture, Furnishings, And Equipment Stores (48)
- Eating And Drinking Places (97)
- Miscellaneous Retail (156)
- Finance, Insurance & Real Estate (con't)
- Real Estate (148)
- Holding And Other Investment Offices (39)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (18)
- Personal Services (130)
- Business Services (528)
- Automotive Repair, Services, And Parking (54)
- Miscellaneous Repair Services (48)
- Motion Pictures (21)
- Amusement And Recreation Services (35)
- Health Services (239)
- Legal Services (54)
- Educational Services (30)
- Social Services (75)
- Museums, Art Galleries, And Botanical And Zoological Gardens (7)
- Membership Organizations (100)
- Engineering, Accounting, Research, Management, And Related Services (193)
- Miscellaneous Services (29)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (22)
- Justice, Public Order, And Safety (15)
- Public Finance, Taxation, And Monetary Policy (2)
- Administration Of Human Resource Programs (7)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (9)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (310)
