Organizers
- AE club at UAA
- AE La Cite
- AELCC
- AELCC (Association étudiante de La Cité collégiale)
- AERO
- A-F Girls Softball
- AFA
- AFA Sports Camps
- AFB Chief's Group
- Affordable Nonprofit Solutions
- AFRICA MISSIONS NORTH AMERICA
- African Heritage Cultural Arts Center
- African Leadership Academy
- AFSA1056
- AFSA479
- After School Brilliance
- After School Tennis
- Afternoon Programs at Carolina Day School
- AfterSchool @ EVCS
- Aftershock Volleyball of GA
- Afton Village Swim Club
- Against Breast Cancer
- Agape Golf
- Agape Valley Bible Camp
- Age UK
- Agence Irwego
- agencyForACLPROD
- Agent Outerwear
- Ager Golf Course and Learning Facility
- AGO-Sports GmbH
- Agoura Hills Recreation & Event Center
- Agoura Hills Recreation and Event Center
- Agoura Hills/Calabasas Community Center
- Agoura Lacrosse Association
- Agoura Pony Baseball
- Agribusiness Education Foundation
- Agua Hedionda Discovery Center
- Aguadilla Tennis Club
- Aguila Golf Course
- Ah Haa School for the Arts
- AHEPA Charitable Foundation, Inc.
- AHS Cheer Booster
- AHS MCJROTC Booster Club
- Ahwatukee Foothills PONY Baseball Association
- Ahwatukee Tennis Club
- Aidan Montessori School
- AIDS/LifeCycle
- Aiken Area Community Tennis Assn
- Aiken Electric Cooperative
- Aikido of Gainesville
