Organizers
- Stroudsburg Little League
- Stroum Jewish Community Center
- Stroup Kids For Kids Epilepsy Foundation
- Struvee Hunter Memorial Run
- STRYKER GOLF COURSE
- Sts. Mary and Martha Episcopal Church.
- Student Advocacy Center Of Bay County, Inc.
- Student American Dental Hygienists' Association of Pima Medical Institute
- Student Athlete Certification by Youth Education & Sports
- Student Athletes Camp Academy
- Student Health Law Organization, UW Law
- Student Leadership Clinics
- Student Oncological Advocates in Pharmacy
- Studio 11 Films
- studio bella for kids
- Studio Communications
- Studio East
- Studio Fitness
- Studio LOL
- Studio Muse Music
- Studio Musicology LLC
- Studio Perk
- Studio School, a branch of Hussian College
- Studio South Dance Academy
- Stumpy Lake Golf Course
- STUNT Camp
- Sturbridge Girls Softball League
- Sturgeon Bay Girls Little League
- Sturgeon Little League
- Sturgis Little League
- Stutelage Innovations
- Stutelage Innovations, LLC
- Sua Sponte Elite Race Team LLC
- Sublette Boces
- Suburban Philadelphia Team Tennis Association
- Suca Sports
- Success is a Choice
- Success Ladder Academy
- Success PR
- Success PR Inc.
- Sudbury Laurentian Swim Club
- Sudden Impact
- Sudden Unexplained Death in Childhood Foundation
- Sue Momchilov 5K
- Suenos de Salsa
- Suffern Midget PW
- Suffolk Bicycle Riders Association
- Suffolk County Junior Tennis League
- Suffolk Youth Athletic Association Baseball
- Sugar Bowl Academy
