Organizers
- Annie Penn - Relay For Life
- Annie Wright Schools
- Annie's Angels Memorial Fund Inc.
- Annisaquam Yacht Club Junior Programs
- Annisquam Yacht Club Junior Programs
- Anniston Lions Club
- Annual Great Pumpkin Race and Little Fun Run
- Annual Pumpkin Run
- Annual Shriners Charity Ladies Fast Pitch Softball Tournament
- Ansonia Little League
- Answers For Angels
- Antelope Hills Golf Courses
- Anthem Golf & Country Club
- Anthem Ranch Community Association, Inc.
- Anthony Grant Basketball Camp
- Anthony Newman's Sports Camps
- Antietam Velo Club
- Antigo Tater Trot
- Antonian College Preparatory High School
- Antonio Robinson Football Camps
- anytime fitness elma
- Anytime Fitness Greenwood
- AOA
- aortic health
- Aortic Warriors, Inc.
- Aoy Elementary School
- APAC Swim Account
- APCO Sports, Inc
- APD Chaplain Unit Fund
- APE Center
- APET SPCA
- Apex Park and Recreation District
- Apex Youth Connection
- Aplastic Anemia & MDS Inter'l Foundation
- APLEA Krav Maga
- Aplex Tennis Center
- Aplington/Parkersburg Soccer Club
- Apostolic Camp International
- Apostolic Camp Ministries Inc.
- Appalachian State University
- Apple Adventure Racing
- Apple Day Camp
- Apple Playschools
- Apple Seeds
- Apple Tree Connections
- Apple Tree Learning Centers
- Apple Valley Middle School
- Appleton City Optimist
- Appleton Jr. Patriots
- Applewood Hills
