- 100++ Women Who Care Lancaster County
- 100Plus Animal Rescue Inc.
- 1-800-RUNAWAY (CFC)
- 20/20 Vision Education Fund
- 211
- 4 Paws for Ability, Inc
- 4-H Clubs of Georgia
- 4-H Clubs of York County
- 4-H:National 4-H Council
- 82nd Division Association Educational Fund
- A Chance to Heal
- A Child's Hope Fund
- A Child's Place of Charlotte, Inc.
- A Friend to the Homeless Inc
- A Week Away Foundation
(C/O Disability Empowerment Center Lancaster, PA) - A Woman's Concern
- A Woman's Place
- Aaron's Acres
- AARP Foundation
- AASK America/Adopt a Special Kid
- Abandoned Children's Fund
- Abigail L Longenecker Memorial Foundation
- Abilities Center of Southern New Jersey/Abilities Solutions
- Abilities First
- Abilities in Motion
- Abilities of Northwest Jersey Inc.
- Abortion & Reproductive Rights
- Abortion Access Project
- Abuse and Rape Crisis Shelter of Warren County, Ohio
- Abuse Network Inc
- Abused and Homeless Children's Refuge /Second Story
- Access Fund
- Access Housing
- Access of York
- Access Sports
- Accessing Independence
- Access-York, Inc. (CFC)
- Accounting Department
- Acoustic Neuroma Association
- Action AIDS Inc.
- Action for Healthy Kids
- Adams County Society for the Prevention of Cruety to Animals
- Adamstown Area Library
- Adamstown Fire Company
- Adamstown YMCA
- Adoptable Children
- Adoption Center
- Adoptions from the Heart
- Adoptions from the Heart/Wynnewood
- Adoptive Families of America
- Adult Care of Chester County Inc
- Advanced Cancer Research Center
- Advantage Lancaster
- Advice to the Players
- Advisory Board on Autism & Related Disorders
- Advocacy Institute
- Advocates for Children & Youth, Inc.
- Advoz - Mediation & Restorative Practices
- Aeromedical Transport for Veterans
- AEVIDUM
- Africa AIDS Fund
- Africa AIDS Watch
- Africa-America Institute
- African American Self-Help Foundation
- African American Women's Resource Center - REVOKED
- African Art Museum of Maryland
- African Child Care Association, Inc. - CFC
- African Wildlife Foundation
- Africian Childrens Haven, Inc.
- Agape Counseling Associates, Inc.
- Agape Family Shelter
- Agape House
- AHEDD
- Aid for African Catholic Missions - CFC
- Aid for AIDS International, Inc.
- Aid to Africa Federation, Inc.
- Aid to Southeast Asia
- AIDS Action Baltimore
- AIDS Action Foundation
- AIDS Alliance for Children, Youth & Families
- AIDS Care Fund
- Aids Community Alliance Lebanon
- AIDS Community Research Initiative of America (CFC)
- AIDS Delaware
- Aids Fund
- AIDS Research Alliance
- AIDS Research Alliance (CFC)
- AIDS Research Foundation
- AIDS Services
- AIDS Vaccine Initiative, International (CFC)
- AIDS, Medicine & Miracles
- AIDS/Sex Trans Disease Informtion Service
- AIDSfreeAfrica, Inc.
- Air Force Memorial
- Airmen Memorial Foundation
- Akron Volunteer Fire Company Station 12
- Alaska Conservation Foundation
- Alaska Wilderness League
- Albemarle Area United Way, Inc.
- Albright Care Services