- Agriculture, Forestry & Fishing
- Agricultural Production Crops (18)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (38)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (2)
- Building Construction General Contractors And Operative Builders (169)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (230)
- Manufacturing
- Food And Kindred Products (23)
- Textile Mill Products (5)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (21)
- Lumber And Wood Products, Except Furniture (19)
- Furniture And Fixtures (13)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (64)
- Chemicals And Allied Products (12)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (8)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (9)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (13)
- Industrial And Commercial Machinery And Computer Equipment (45)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (23)
- Manufacturing (con't)
- Transportation Equipment (10)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (9)
- Miscellaneous Manufacturing Industries (48)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (12)
- Motor Freight Transportation And Warehousing (57)
- United States Postal Service (2)
- Water Transportation (4)
- Transportation By Air (3)
- Transportation Services (109)
- Communications (90)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (278)
- Wholesale Trade-non-durable Goods (203)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (41)
- General Merchandise Stores (25)
- Food Stores (198)
- Automotive Dealers And Gasoline Service Stations (101)
- Apparel And Accessory Stores (177)
- Home Furniture, Furnishings, And Equipment Stores (185)
- Eating And Drinking Places (375)
- Miscellaneous Retail (571)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (91)
- Real Estate (279)
- Holding And Other Investment Offices (115)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (26)
- Personal Services (399)
- Business Services (1156)
- Automotive Repair, Services, And Parking (180)
- Miscellaneous Repair Services (159)
- Motion Pictures (56)
- Amusement And Recreation Services (121)
- Health Services (484)
- Legal Services (107)
- Educational Services (76)
- Social Services (67)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (167)
- Engineering, Accounting, Research, Management, And Related Services (300)
- Miscellaneous Services (74)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (7)
- Justice, Public Order, And Safety (14)
- Administration Of Human Resource Programs (8)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (2)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (806)