Organizers
- Sac Showcase LLC
- Sacopee Valley Adult & Community Education
- Sacopee Valley Recreation Council
- Sacramento Adventure Playground
- Sacred Heart Schools
- Safe Family Defense LLC
- Safety And Health Foundation
- Sail Sand Point
- Saint Francis University
- Saint Joseph Futbol Club
- Saint Joseph High School
- Saint Patrick Parish Faith Formation Grades K-8
- Saint Vincent de Paul Catholic Church
- Sainte Genevieve County Community Center
- Saints Baseball
- Saklan Valley School
- Salem April Fool's Race
- Salmon Arm Sockeyes_BCSSA
- Salt & Light
- Salt + Light : Wichita Catholic Young Adults
- Sammamish Rowing Association
- Sammamish Running
- Sampson County Parks and Recreation
- San Antonio 110 9/11 Memorial Climb
- San Antonio Zoo
- San Bernadino Parks and Recreation and Community Service Department
- San Carlos Children's Theater
- San Diego Air & Space Museum
- San Diego Cyclo-Vets
- San Diego Humane Society
- San Francisco Zoo
- San Jose Learning Center
- Sandhill Shooting Sports
- Sandtown Youth Sports Association - Football
- Sandy Point Sailing Association
- Sanford Community Adult Education
- Sanibel Sea School
- Santa Clara Baseball Academy
- SARRC
- Saskatoon Zoo Society Inc.
- Saturday School of GISSV
- Savage Wrestling LLC
- Savannah Area Tennis Association
- Savvy Affairs
- SB Tchoua Consulting Ltd
- SBR Events
- SC Constitutional Defense LLC
- Scarborough Adult Education
- scarborough track club
- Schaumburg Park District
