- American Heart Association
- Bentley University
- Brandeis University
- City of Waltham
- Jewish Family & Children’s Service
- Joseph M. Smith Community Health Center
- Middlesex Human Services
- Mount Auburn Hospital
- Power Program
- Massachusetts General Hospital
- Newton Wellesley Hospital
- REACH Beyond Domestic Violence
- Regional Center for Healthy Communities
- Stonehurst, Robert Treat Paine Estate
- Waltham Boys and Girls Club
- Waltham Family School
- Waltham Fields Community Farm
- Waltham Interagency Council
- Waltham Land Trust
- Waltham Partnership for Youth
- Waltham Public Library
- Waltham Public Schools
- Waltham West Suburban Chamber of Commerce
- WATCH
- Wayside Youth and Family Support Network
- YMCA of Greater Boston Waltham Family Branch
This list is constantly growing! Apologies to anyone we missed.