Organizers
- The Savannah Golf Club
- The School of Practical Philosophy
- The Scott Law Foundation
- The Scottish Mountain Bike Consortium
- The Second City Training Center
- The Second City Training Centre Toronto
- The Semper Fi 5K
- The ShamRock 'n Roll Road Race
- The Shawnee Inn and Golf Resort
- The Shelton Companies
- The Shop Rat Foundation
- The Siege Race
- The Sky Family YMCA
- The Soccer Connection
- The Sofia Milstead Foundation
- The Sound Golf Links at Albemarle Plantation
- The South Orange-Maplewood Adult School Children's Summer Program
- The South Shore Health and Racquet Club
- The Spanish Classroom
- The Spark Run
- The SPCA for Monterey County
- The Speyer Legacy School
- The Sports Forum
- The Spot Sport
- The St. Thomas More Center
- The Stables at Frederica
- The Stafford Golf Academy
- The Stampede
- The Starz Program
- The STEAM Club
- The Stephens County Foundation
- The Strength Of A Rose Foundation
- The Strings Club
- The Stu Nevermann Memorial Run
- The Success Foundation Serving Greeley-Evans Schools
- The Suffering Race Series
- The Summer Theatre Camp of Montclair
- The Superman Project
- The Support Group
- The Surge Ministries
- The Susquehannock Camps
- The Sustainable Living Foundation
- The SW Golf Academy/Brambleton GC
- The Swain School
- The Swanbourne Endeavour
- The T.E.A. Center
- The Tactical Games
- The TEARS Foundation
- The Tennis & Fitness Center of Rocky Hill
- The Tennis Center at Steamboat
