Organizers
- Graham County Recreation Commission
- Grand Canyon University
- Grand Central Atelier
- Grand Rapids Aquatics
- Grand Rapids Ballet School
- Grand River Area Family YMCA, Inc.
- Granfondo Cycling Tours Inc.
- Grant County Recreation Commission
- Gray-New Gloucester Adult Education
- Great Big Theatre Company
- Great Conversations
- Great Mills Aquatic Club
- Great Ormond Street Hospital Children's Charity
- Great Race LLC
- Great Starts
- Great Wall of China Marathon Organizing Committee
- Greater Canton Youth Baseball Softball Association
- Greater Cleveland Lacrosse
- Greater Newark Boys & Girls Club Swim Team
- Greek Orthodox Metropolis of Atlanta
- Greek Orthodox Metropolis of Atlanta Events & Retreats
- Greenbelt Municipal Swim Team
- Greensboro Science Center
- Greg Carter's European Hockey Camp
- Grit Football Camp
- Grow La Crosse
- Grupo Publicitario Costa Rica
- Guardian Tactical Solutions
- Guelph Youth Volleyball Association
- Guildford School of Acting
- Gulf Breeze Stage
- Gulf Coast State College Continuing Education
- Gun Commander, LLC
- Gunnison Stingrays Swim Club
- Gurus Camps, LLC
- Gwinnett Gobble Wobble
- GymDog Camp
- Gymnastic and Educational Association Sokol Tabor