Adaptive Environments Boston-based non-profit that promotes human-centered or universal design through various mediums and disciplines.

Arborway Coalition This coalition meets each month to improve access to the parks of the Emerald Necklace and promote public safety on the parkways.

Bay Circuit Trail and Greenway A recreation trail and greenway corridor extending through 21 Eastern Massachusetts towns and linking the parks and open spaces surrounding metropolitan Boston.

Boston by Foot Boston By Foot presents regularly scheduled walking tours that highlight Boston's rich heritage of architecture and history.

Governor's Highway Safety Bureau The Bureau’s mission is to reduce fatalities, injuries, and economic losses resulting from motor vehicle crashes on Massachusetts’ roadways.

Massachusetts Bicycle Coalition MassBike promotes bike usage and protects the interests of the bicycling public.

Urban AdvenTours Urban AdvenTours was founded on the belief that the best way to explore Boston is by bike.

America Walks A national coalition of advocacy groups dedicated to promoting walkable communities.

Bicycle and Pedestrian Program A Federal Highway Administration program that is responsible for promoting bicycle and pedestrian transportation use and safety.

National Center for Bicycling and Walking Its mission is to create bicycle-friendly and walkable communities across North America.

Partnership for a Walkable America A national coalition working to improve the walking conditions in America and to increase the number of Americans who walk regularly.

Pedestrian and Bicycle Information Center (PBIC) A clearinghouse for information about health and safety, engineering, advocacy, education, enforcement, access, and mobility.

Pedestrian and Pedaling Network (PedNet) A mailing list covering issues for walkers, pedestrian activists, urban planners and designers, and pedestrians with disabilities.

PEDS A member-based advocacy organization dedicated to making metro Atlanta safe and accessible for all pedestrians.

Perils for Pedestrians A monthly television series promoting awareness of issues affecting the safety of people who walk.

Rails-To-Trails Conservancy A non-profit organization that works with communities to preserve unused former rail lines rail/corridors by changing them into trails.

The National Center for Safe Routes The Center assists communities in enabling and encouraging children to safely walk and bike to school.

Safe Routes to School National Partnership The Partnership includes more than 200 groups working on Safe Routes to School across the country.

Shape Up America! A national initiative to promote healthy weight and increased physical activity in America.

Surface Transportation Policy Project  STTP emphasizes the needs of people, rather than vehicles, in assuring access to jobs, services, and recreational opportunities.

Walkable Commmunities A non-profit corporation organized to help whole communities become more walkable and pedestrian friendly.

ZipcarZipcar is a car-sharing network found in several US and Canadian cities and even in London, UK.  Zipcar offers a $25 drive credit for WalkBoston members who join Zipcar.  Zipcar members can use any Zipcar in any of the Zipcar cities.