- Agriculture, Forestry & Fishing
- Agricultural Production Crops (14)
- Agriculture production livestock and animal specialties (11)
- Agricultural Services (52)
- Forestry (8)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (105)
- Heavy Construction Other Than Building Construction Contractors (15)
- Construction Special Trade Contractors (183)
- Manufacturing
- Food And Kindred Products (4)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (15)
- Lumber And Wood Products, Except Furniture (12)
- Furniture And Fixtures (3)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (16)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (8)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (5)
- Primary Metal Industries (3)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (11)
- Industrial And Commercial Machinery And Computer Equipment (10)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (14)
- Manufacturing (con't)
- Transportation Equipment (7)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (14)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (5)
- Motor Freight Transportation And Warehousing (40)
- Water Transportation (2)
- Transportation By Air (1)
- Pipelines, Except Natural Gas (2)
- Transportation Services (14)
- Communications (16)
- Electric, Gas, And Sanitary Services (16)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (95)
- Wholesale Trade-non-durable Goods (47)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (34)
- General Merchandise Stores (20)
- Food Stores (71)
- Automotive Dealers And Gasoline Service Stations (81)
- Apparel And Accessory Stores (41)
- Home Furniture, Furnishings, And Equipment Stores (64)
- Eating And Drinking Places (110)
- Miscellaneous Retail (160)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (33)
- Real Estate (100)
- Holding And Other Investment Offices (14)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (21)
- Personal Services (123)
- Business Services (715)
- Automotive Repair, Services, And Parking (89)
- Miscellaneous Repair Services (85)
- Motion Pictures (5)
- Amusement And Recreation Services (27)
- Health Services (116)
- Legal Services (50)
- Educational Services (31)
- Social Services (84)
- Museums, Art Galleries, And Botanical And Zoological Gardens (5)
- Membership Organizations (127)
- Engineering, Accounting, Research, Management, And Related Services (76)
- Miscellaneous Services (22)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (15)
- Justice, Public Order, And Safety (16)
- Public Finance, Taxation, And Monetary Policy (5)
- Administration Of Human Resource Programs (12)
- Administration Of Environmental Quality And Housing Programs (9)
- Administration Of Economic Programs (6)
- National Security And International Affairs (6)
- Nonclassifiable Establishments (257)
