- Agriculture, Forestry & Fishing
- Agricultural Production Crops (5)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (94)
- Forestry (7)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Metal Mining (17)
- Oil And Gas Extraction (4)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (9)
- Building Construction General Contractors And Operative Builders (121)
- Heavy Construction Other Than Building Construction Contractors (28)
- Construction Special Trade Contractors (274)
- Manufacturing
- Food And Kindred Products (38)
- Textile Mill Products (9)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (15)
- Lumber And Wood Products, Except Furniture (40)
- Furniture And Fixtures (19)
- Paper And Allied Products (7)
- Printing, Publishing, And Allied Industries (70)
- Chemicals And Allied Products (25)
- Petroleum Refining And Related Industries (4)
- Rubber And Miscellaneous Plastics Products (11)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (11)
- Primary Metal Industries (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (37)
- Industrial And Commercial Machinery And Computer Equipment (43)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (35)
- Manufacturing (con't)
- Transportation Equipment (11)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (21)
- Miscellaneous Manufacturing Industries (46)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (11)
- Motor Freight Transportation And Warehousing (44)
- United States Postal Service (9)
- Water Transportation (25)
- Transportation By Air (2)
- Pipelines, Except Natural Gas (1)
- Transportation Services (56)
- Communications (37)
- Electric, Gas, And Sanitary Services (17)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (296)
- Wholesale Trade-non-durable Goods (150)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (51)
- General Merchandise Stores (13)
- Food Stores (134)
- Automotive Dealers And Gasoline Service Stations (97)
- Apparel And Accessory Stores (76)
- Home Furniture, Furnishings, And Equipment Stores (131)
- Eating And Drinking Places (279)
- Miscellaneous Retail (301)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (48)
- Real Estate (131)
- Holding And Other Investment Offices (173)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (33)
- Personal Services (238)
- Business Services (741)
- Automotive Repair, Services, And Parking (161)
- Miscellaneous Repair Services (110)
- Motion Pictures (87)
- Amusement And Recreation Services (134)
- Health Services (340)
- Legal Services (47)
- Educational Services (108)
- Social Services (165)
- Museums, Art Galleries, And Botanical And Zoological Gardens (9)
- Membership Organizations (102)
- Engineering, Accounting, Research, Management, And Related Services (555)
- Private Households (1)
- Miscellaneous Services (29)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (31)
- Justice, Public Order, And Safety (5)
- Administration Of Human Resource Programs (11)
- Administration Of Environmental Quality And Housing Programs (11)
- Administration Of Economic Programs (6)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (1)