Organizers
- Stemtree of Spring
- Stemtree of Vienna, VA
- Step Afrika!
- Step and Stride
- Step Fitness
- Step Into Soccer
- Step2Leap
- Stephan Woods
- Stephen C. Wallace II Memorial Foundation
- Stephen Memorial Animal Shelter
- Stephen Muehlenbein LLC (The Virtual Runner)
- Stephenville Lions Club
- Stephenville Recreation Dept.
- Stephy's House
- Stephy's House Women's/Youth Crisis Center
- Sterling Farms Golf Course
- Sterling Farms Tennis Center
- Sterling Karate
- Sterling Meadows at Parsons Golf and Fitness
- Sterling National CC
- Sterling Regional MedCenter
- Steve Brdarski Camps and Clinics
- Steve Evans Basketball Camps
- Steve Lavin Basketball Camps
- Steve Monson
- Steve Patterson Golf at Fossil Trace Golf Club
- Steve WenPetren Golf Academy
- Steven Hunter Life Skills & Basketball Academy
- Stevens Cooperative School
- Stevens Institute of Technology - Aquatics Center
- Stevens Pass Alpine Club (SPAC)
- Stevens Point Area YMCA
- Stevens Swimming
- Stevie Rodriguez and Lillian Porteus
- Stevinson Ranch Golf Club
- Stewardship Pemberton Society
- Stewartstown Lions Club
- Stewartville Cross Country Boosters
- STH Summer Programs
- Stickwise.Ltd
- Still Water Camps
- Stillwater Area Community Center
- Stillwater Public Schools/ICG Tennis Academy
- Stinger Metric Century
- Stinson Beach Surf Camp
- Stissing Sprint Triathlon
- Stl Play Sports
- Stods Baseball
- Stomp MS America
- Stone Canyon Outdoor EdVentures
