Organizers
- San Gabriel Christian School
- San Jacinto Museum of History
- San Joaquin General Hospital ICU
- San Joaquin Valley Tennis Academy/Future Stars 2000's, Inc.
- San Jose American Little League
- San Jose Earthquakes
- San Jose FC Real Madrid
- San Jose Japanese Community Youth Service
- San Jose Learning Center
- San Jose Museum of Art
- San Jose State Football
- San Juan Hills Golf Club
- San Juan Island Park and Recreation District
- San Juan Unified School District
- San Luis Coastal USD
- San Luis Obispo Bicycle Club
- San Luis Obispo Health and Fitness Expo
- San Luis Rey Downs Golf Course
- San Luis Valley Habitat for Humanity
- San Marcos Community Services
- San Marcos Girls Softball
- San Marcos Parks & Recreation
- San Marcos Pop Warner
- SAN MARCOS YOUTH BASKETBALL
- San Marino National Little League
- San Marino Summer Academy
- San Mateo Rotary Club
- San Pablo Elementary
- San Pedro Golf Club
- San Rafael Soccer
- SANA
- Sanborn Mills Farm
- Sanchez Tennis Academy
- Sanctuary Baptist Church
- Sand Island Tennis
- Sandford Parks Lido
- Sandgate Sunset Run
- Sandhill Shooting Sports
- Sandhills HappyFeet, LLC
- Sandlot Indy
- Sandlot Sports Camp of Dublin
- Sandoval 5K
- Sandridge Golf Club
- Sandtown Youth Sports Association
- Sandtown Youth Sports Association - Cheerleading
- Sandtown Youth Sports Association - Football
- Sandwich Girls Softball
- Sandwich Public School
- Sandwich Youth Football
- Sandy Feet Events
