- Agriculture, Forestry & Fishing
- Agricultural Production Crops (13)
- Agriculture production livestock and animal specialties (5)
- Agricultural Services (123)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Coal Mining (3)
- Oil And Gas Extraction (5)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (308)
- Heavy Construction Other Than Building Construction Contractors (23)
- Construction Special Trade Contractors (529)
- Manufacturing
- Food And Kindred Products (35)
- Tobacco Products (1)
- Textile Mill Products (23)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (39)
- Lumber And Wood Products, Except Furniture (16)
- Furniture And Fixtures (20)
- Paper And Allied Products (19)
- Printing, Publishing, And Allied Industries (77)
- Chemicals And Allied Products (44)
- Petroleum Refining And Related Industries (6)
- Rubber And Miscellaneous Plastics Products (24)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (27)
- Primary Metal Industries (13)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (43)
- Industrial And Commercial Machinery And Computer Equipment (70)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (39)
- Manufacturing (con't)
- Transportation Equipment (16)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (24)
- Miscellaneous Manufacturing Industries (68)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (27)
- Motor Freight Transportation And Warehousing (160)
- United States Postal Service (3)
- Water Transportation (2)
- Transportation By Air (19)
- Pipelines, Except Natural Gas (2)
- Transportation Services (118)
- Communications (92)
- Electric, Gas, And Sanitary Services (62)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (479)
- Wholesale Trade-non-durable Goods (224)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (101)
- General Merchandise Stores (45)
- Food Stores (259)
- Automotive Dealers And Gasoline Service Stations (221)
- Apparel And Accessory Stores (155)
- Home Furniture, Furnishings, And Equipment Stores (201)
- Eating And Drinking Places (522)
- Miscellaneous Retail (605)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (188)
- Real Estate (539)
- Holding And Other Investment Offices (122)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (47)
- Personal Services (533)
- Business Services (1790)
- Automotive Repair, Services, And Parking (354)
- Miscellaneous Repair Services (194)
- Motion Pictures (45)
- Amusement And Recreation Services (188)
- Health Services (1012)
- Legal Services (244)
- Educational Services (160)
- Social Services (325)
- Museums, Art Galleries, And Botanical And Zoological Gardens (16)
- Membership Organizations (360)
- Engineering, Accounting, Research, Management, And Related Services (659)
- Miscellaneous Services (101)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (36)
- Justice, Public Order, And Safety (88)
- Public Finance, Taxation, And Monetary Policy (8)
- Administration Of Human Resource Programs (30)
- Administration Of Environmental Quality And Housing Programs (15)
- Administration Of Economic Programs (30)
- National Security And International Affairs (6)
- Nonclassifiable Establishments (1021)
