Children's Guild, The
HPK Volunteers include:
- Abell Improvement Association
- Adoptions Together, Inc.
- Alzheimer's Association Greater Maryland
- American Diabetes Association
- American Red Cross
- Associated Italian American Charities
- Babe Ruth Sports Legends Museum
- Baltimore City Community College Foundation
- Baltimore Consort, The
- Baltimore County Chamber of Commerce
- Baltimore County Development Corporation
- Bel Air Downtown Revitalization Alliance
- Bel Air Rotary Club
- Big Brothers and Big Sisters for Central Maryland
- Boy Scouts of America
- Boys and Girls Clubs
- Cambridge Main Street
- Casey Cares Foundation, The
- Centerstage
- Charles Village Civic Association
- Children's Cancer Foundation, Inc., The
- Children's Guild, The
- Columbia Jewish Congregation
- Community College of Baltimore County Foundation, The
- Community Foundation of Harford County
- Community Law Center, Small Business Legal Services Project
- Cystic Fibrosis Foundation of Maryland
- Delta Sigma Theta Sorority, Inc.
- Dorchester General Hospital Foundation
- Emerging Leaders United
- Everyman Theatre
- FreeState Legal Project, Inc.
- Girl Scouts of America
- Hannah More School
- Harford Businesses for Responsible Government
- Harford County Chamber of Commerce
- Health Education Resource Education (HERO)
- Human Rights Campaign
- Jewish Vocational Service
- Junior Achievement
- Juvenile Diabetes Foundation of Maryland
- Krieger Schechter Day School
- Leadership Howard County
- Learning Volunteers of America
- Literacy Works, Inc.
- Living Classrooms Foundation
- March of Dimes
- Maryland Film Festival
- Maryland Jaycees, Inc.
- Maryland Public Television Foundation Board
- Maryland Society for the Protection of Animals (SPCA)
- Maryland Zoo in Baltimore, The
- Moveable Feast, Inc.
- Mu-Mu City-Wide Chapter
- National Aquarium, The
- National Easter Seal Society
- Network 2000
- Parent Teachers Association
- Pro Bono Resource Center
- Pro Bono Volunteer for Maryland Volunteer Lawyers Service
- Roland Park Foundation Board
- Sailwinds Park, Inc.
- Salvation Army
- Sandtown Habitat for Humanity
- Savage Community Association
- Sigma Delta Tau Foundation
- St. Agnes Hospital Foundation Board
- St. Ignatius Church
- St. Joseph Medical Center Foundation Board
- St. Mary's Episcopal Church
- Susan G. Komen Race for the Cure
- Temple Isaiah
- The Associated
- The Links, Incorporated
- Town of Brentwood Ethics Commission
- Towson United Methodist Church
- United Way of Central Maryland, Women's Leadership Council
- University of Baltimore Alumni Association
- University of Baltimore School of Law Advisory Council
- University of Maryland Medical System Foundation Board
- Upper Chesapeake Health Foundation
- Westminster Jaycees, Inc.
- William T. Walters Association
- Women Entrepreneurs of Baltimore
- Women Helping Women Initiative
- Young Victorian Theater Co.