- Agriculture, Forestry & Fishing
- Agricultural Production Crops (15)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (164)
- Forestry (2)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Metal Mining (2)
- Oil And Gas Extraction (2)
- Building Construction General Contractors And Operative Builders (335)
- Heavy Construction Other Than Building Construction Contractors (25)
- Construction Special Trade Contractors (433)
- Manufacturing
- Food And Kindred Products (16)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (8)
- Lumber And Wood Products, Except Furniture (28)
- Furniture And Fixtures (4)
- Paper And Allied Products (3)
- Printing, Publishing, And Allied Industries (53)
- Chemicals And Allied Products (20)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (4)
- Stone, Clay, Glass, And Concrete Products (10)
- Primary Metal Industries (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (17)
- Industrial And Commercial Machinery And Computer Equipment (34)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (39)
- Transportation Equipment (11)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (24)
- Miscellaneous Manufacturing Industries (58)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Motor Freight Transportation And Warehousing (55)
- United States Postal Service (2)
- Water Transportation (2)
- Transportation By Air (1)
- Transportation Services (43)
- Communications (72)
- Electric, Gas, And Sanitary Services (18)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (184)
- Wholesale Trade-non-durable Goods (95)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (47)
- General Merchandise Stores (6)
- Food Stores (92)
- Automotive Dealers And Gasoline Service Stations (64)
- Apparel And Accessory Stores (44)
- Home Furniture, Furnishings, And Equipment Stores (101)
- Eating And Drinking Places (233)
- Miscellaneous Retail (339)
- Finance, Insurance & Real Estate (con't)
- Real Estate (238)
- Holding And Other Investment Offices (52)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (29)
- Personal Services (268)
- Business Services (1424)
- Automotive Repair, Services, And Parking (109)
- Miscellaneous Repair Services (214)
- Motion Pictures (45)
- Amusement And Recreation Services (92)
- Health Services (265)
- Legal Services (53)
- Educational Services (94)
- Social Services (144)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (126)
- Engineering, Accounting, Research, Management, And Related Services (506)
- Miscellaneous Services (101)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (5)
- Justice, Public Order, And Safety (7)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (4)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (425)
