[5] In 2002, SGA included over 70 groups, such as American Farmland Trust, the Natural Resources Defense Council, the League of Women Voters for Smart Growth, the National Low Income Housing Coalition, and the Enterprise Foundation.

[6] In October 2015, the U.S. Department of Transportation's Federal Transit Administration (FTA) collaborated with SGA to create the Transit-Oriented Development Technical Assistance Initiative.

[18] In a 2016 report about new urbanism in North Texas, FBCI advocated for the importance of form based codes in regulating physical development, rather than zoning areas by their usages.

[19] Partners include national, state and local groups, working on behalf of the environment, historic preservation, social equity, land conservation, neighborhood redevelopment, farmland protection, and labor.

Member groups include the statewide "1000 Friends" organizations, Futurewise, GrowSmart Maine, New Jersey Future, Idaho Smart Growth, and the San Francisco Bay Area's Greenbelt Alliance.