Organizers
- SKYEFiT
- Skyline High School
- Skyline Sports SpA
- Skyway Marina District, Inc.
- Skywest Golf Course
- Slaney Olympic
- Slaton Youth Basketball
- Slaughter Community Charter School
- Sliabhe Buidhe Rovers AC
- Slice of Heaven Educational Farm
- Slide Fest
- Sligo Way Ultra
- Slinger Parks, Recreation and Forestry
- SLO Marathon
- Slow Joe Running
- SMA, Inc.
- Small Town Fastpitch
- SMART Academy
- SMart ART Club!
- SMart Club!
- Smart Mind Robotics
- Smart Moves Sports and Games
- Smart with Art
- Smart with Art, LLC
- SMC Events
- Smith Mountain Lake YMCA
- Smith Rock Ascent
- Smith Summer Business Programs
- Smith Walbridge Clinics, Inc.
- Smithfield Hog Jog
- Smiths Super Hero Run Benefitng PCMC
- Smithtown Aquatics
- Smithtown Recreation Department
- Smithville Little League Association
- SMM Sports
- Smock Golf Course
- Smoke Rise Country Club
- SMOKY Mountain Wheelmen Bike Club
- Smoky mountain Wheelmen Bike Club
- Smoky Mountain Wheelmen Bike Club
- Smoky Valley Athletic Foundation
- Smooth Running
- SMU Kid's Tennis Camp
- SMU Mustang Swim Camp
- SMU Women's Tennis Camp
- Smyrna Clayton Little Lass
- Smyrna Parks & Recreation Department
- Smyrna Parks and Recreation
- Smyrna School District
- Snader 5K
