American Planning Association (APA)
American Institute of Certified Planners (AICP)
http://www.planning.org
The American Planning Association and its professional institute, the American Institute of Certified Planners, are organized to advance the art and science of planning and to foster the activity of planning -- physical, economic, and social -- at the local, regional, state, and national levels. The objective of the Association is to encourage planning that will contribute to public well-being by developing communities and environments that meet the needs of people and society more effectively.

Association of Collegiate Schools of Planning (ACSP)
http://www.uwm.edu/Org/acsp/
"The Association of Collegiate Schools of Planning (ACSP) is a consortium of university-based programs offering credentials in urban and regional planning."

The Urban Land Institute
http://www.uli.org/
"The mission of the Urban Land Institute is to provide leadership in the responsible use of land to enhance the total environment." Urban and

Regional Information Systems Association (URISA)
http://www.urisa.org/
"URISA is non-profit association of professionals using information technology to solve problems in planning, public works, the environment, emergency services, utilities and throughout state and local governments."

Institute of Transportation Engineers (ITE)
http://www.ite.org/
"The Institute of Transportation Engineers (ITE), an international individual member educational and scientific association, is one of the largest and fastestgrowing multimodal professional transportation organizations in the world. ITE members are traffic engineers, transportation planners and other professionals who are responsible for meeting society's needs for safe and efficient surface transportation through planning, designing, implementing, operating and maintaining surface transportation systems worldwide." in 1998. Penn has more faculty and alumni elected to the College of Fellows of the American Institute of Planners than any other institution.