As of December 18, 2008, the letter urging the creation of a White House Office on Children and Youth was signed by the more than 90 national organizations listed below.

Academy for Educational Development (AED)
Advocates for Youth
Afterschool Alliance
America’s Promise Alliance
American Association of School Administrators
American Camp Association
American Humane Association
Bazelon Center for Mental Health Law
Big Brothers Big Sisters of America
Boy Scouts of America
Camp Fire USA
Career Dreams Educational Foundation
Center for Applied Research and Technical Assistance
Center for Community Leadership
Center for Neighborhood Enterprise
Center for Social Justice/Georgetown University
Center for Youth and Communities, Brandeis University
Child Advocacy 360 Foundation
Child Welfare League of America
Children's Dental Health Project
Citizen Schools
Coalition for Community Schools
Coalition for Juvenile Justice
Cohen Strategy Group
Communities in Schools
Community Alliances for Drug-Free Youth, Inc.
Cornerstones for Kids
Corporate Voices for Working Families
Council for Professional Recognition
DADS Unlimited
Development Without Limits
Docs For Tots
Dreams for Kids
Everyone Deserves A Roof, Inc. (EDAR)
Education Development Center, Inc./Center for Children & Families
Every Child Matters Education Fund
First Focus
First Star
Fiscal Policy Studies Institute
Forum for Youth Investment
Foster Care Alumni of America
Generation Waking Up
Girl Scouts of the USA
Girls Inc.
Healthy Teen Network
Higher Achievement
Institute for Educational Leadership
Junior Achievement USA
Juvenile Law Center
LEAnet
Leadership & Renewal Outfitters
Love Our Children USA
MENTOR
Mobilize.org
Music National Service Initiative
National Association for Children's Behavioral Health
National Association of Child Care and Resource Referral Agencies
National Association of Counsel for Children
National Association of School Psychologists
National Association of Secondary School Principals
National Black Child Development Institute
National Education Association
National Federation of Families for Children's Mental Health
National Forum to Accelerate-Middle Grade Reform
National Foster Care Coalition
National Foster Care Review Coalition
National Foundation for Teaching Entrepreneurship (NFTE)
National Human Services Assembly
National Independent Living Association
National Institute on Out-of-School Time
National Latino Children's Institute
National Low Income Housing Coalition
National Network for Youth
National PTA
nFocus Software
New Moon Girl Media
Perspectives On Growth And Development, Inc.
Pre-K Now
Results Leadership Group
Sar Levitan Center for Social Policy Studies
Search Institute
Stillwaters Consultation
Stop the Silence: Stop Child Sexual Abuse, Inc.
Summer Search
United Way of America
Voices for America's Children
Work, Achievement, Values & Education, Inc.
YMCA of the USA
Youth Advocate Programs, Inc.
Youth Communication
Youth Development Institute
Youth Development Strategies, Inc.
Youth M.O.V.E. National
Youth Service America
YouthBuild USA