American Public Works Association -- an international educational and professional association of public agencies, private sector companies, and individuals dedicated to providing high quality public works goods and services.
California Planning Roundtable -- an organization of planning professionals that provides a forum for planners to exercise creativity and leadership in promoting understanding of California's critical public policy issues, and recommending action.
Canadian Institute of Planners -- national voice for planners and planning in Canada. Web site features resources on planning, education, careers, and conferences.
Community Development Society -- founded in 1969, is a professional association for community development practitioners and citizen leaders around the world.
Congress for the New Urbanism -- advocates for the restructuring of public policy and development practices to support the restoration of existing urban centers and towns within coherent metropolitan regions.
Environmental Design Research Association -- an international, interdisciplinary organization founded in 1968 to advance and disseminate environmental design research, thereby improving understanding of the interrelationships between people, their built and natural surroundings, and helping to create environments responsive to human needs.
Great Valley Center -- committed to building support for California's Central Valley as a distinct region and assisting in the process of planning for the 21st century.
The Local Government Commission -- a nonprofit, membership organization based in Sacramento that is composed of local elected officials, city and county staff, planners, architects, and community leaders who are committed to making their communities more livable, prosperous, and resource-efficient.
Metadata for Architectural Contents in Europe (MACE) -- a pan-european initiative to interconnect and disseminate digital information about architecture. The result are unique services for searching and browsing architectural contents, for instance, by conceptual connection, geography, language.
National Association of Local Government Environmental Professionals -- brings together local environmental officials to network and share information on innovative environmental practices, conduct environmental policy projects, promote environmental training and education, and communicate the view of local environmental officials on national environmental issues.
National Civic League -- a 109-year-old non-profit, non-partisan organization dedicated to strengthening citizen democracy by transforming democratic institutions.
National Community Development Association -- a national nonprofit organization comprised of more than 550 local governments across the country that administer federally-supported community and economic development, housing and human service programs, including programs of the U.S. Department of Housing and Urban Development (HUD), Community Development Block Grant (CDBG), and the HOME Investment Partnerships (HOME) programs.
National League of Cities -- the oldest and largest national organization representing municipal governments throughout the United States. Its mission is to strengthen and promote cities as centers of opportunity, leadership, and governance.
Planners Network -- for over 25 years, PN has been the voice of progressive planning, publishing a newsletter, holding annual conferences, and organizing local activities in cities throughout North America.
Planning Institute of Australia -- a not-for-profit association representing professions involved in planning Australia's cities, towns, regions and places.
Prince's Foundation -- promotes a return of human values to architecture, the building arts, urban design, and regeneration.
RUDI [Resource for Urban Design Information] -- a not-for-profit membership organization that aims to facilitate the sharing of information and active dialogue among professionals and activists involved in making environments for better living. Includes links to case studies, bibliographies, urban design journals, and other resources.
Smart Growth America -- nationwide coalition promoting a better way to grow: one that protects farmland and open space, revitalizes neighborhoods, keeps housing affordable, and provides more transportation choices.
Smart Growth Network -- an organization that encourages development that is environmentally, fiscally, and economically smart and helps create national, regional, and local coalitions to support smart growth.
Urban Affairs Association -- the international professional organization for urban scholars, researchers, and public service providers.
Urban and Regional Information System Association -- a non-profit association of professionals using Geographic Information Systems (GIS) and other information technologies to solve challenges in all state and local government agencies and departments.
Urban Land Institute -- a community of practice for those engaged in the entrepreneurial and collaborative process of real estate development and land use policy-making.