- Agriculture, Forestry & Fishing
- Agricultural Production Crops (7)
- Agriculture production livestock and animal specialties (3)
- Agricultural Services (40)
- Forestry (3)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (164)
- Heavy Construction Other Than Building Construction Contractors (20)
- Construction Special Trade Contractors (194)
- Manufacturing
- Food And Kindred Products (15)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (14)
- Furniture And Fixtures (6)
- Paper And Allied Products (7)
- Printing, Publishing, And Allied Industries (24)
- Chemicals And Allied Products (12)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (9)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (36)
- Industrial And Commercial Machinery And Computer Equipment (53)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (6)
- Manufacturing (con't)
- Transportation Equipment (10)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (10)
- Miscellaneous Manufacturing Industries (15)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (2)
- Motor Freight Transportation And Warehousing (73)
- United States Postal Service (2)
- Water Transportation (2)
- Transportation By Air (3)
- Pipelines, Except Natural Gas (1)
- Transportation Services (43)
- Communications (25)
- Electric, Gas, And Sanitary Services (10)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (161)
- Wholesale Trade-non-durable Goods (88)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (37)
- General Merchandise Stores (8)
- Food Stores (53)
- Automotive Dealers And Gasoline Service Stations (37)
- Apparel And Accessory Stores (22)
- Home Furniture, Furnishings, And Equipment Stores (52)
- Eating And Drinking Places (88)
- Miscellaneous Retail (116)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (15)
- Insurance Agents, Brokers, And Service (32)
- Real Estate (163)
- Holding And Other Investment Offices (52)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (16)
- Personal Services (93)
- Business Services (555)
- Automotive Repair, Services, And Parking (59)
- Miscellaneous Repair Services (67)
- Motion Pictures (12)
- Amusement And Recreation Services (48)
- Health Services (163)
- Legal Services (19)
- Educational Services (28)
- Social Services (45)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (64)
- Engineering, Accounting, Research, Management, And Related Services (142)
- Miscellaneous Services (34)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (5)
- Justice, Public Order, And Safety (4)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (4)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (381)
