Organizations
National
* American Association for Physical Activity and Recreation
* American Camping Association (The Power of Play)
* Association for Play Therapy
* National Association for Sport and Physical Education
* National Program for Playground Safety
* Strong National Museum of Play
* The American Association for the Child’s Right to Play
* The Association for the Study of Play
* The Center for Sport Psychology
* The Presidents Council on Fitness
State
* Massachusetts Governor's Committee on Physical Fitness & Sports
