Organizers
- South Fulton Little League
- South Galway AC
- South Galway Juvenile AC
- South Gemantown Driving Range
- South Hadley Recreation Department
- South Hall Rotary Club
- South Jersey Law Enforcement Outdoor Challenge
- South Jersey Resource Conservation & Development Council
- South Jersey Triathlon Club
- South Jersey Wheelmen
- South Jersey Youth Field Hockey
- South Johnston PW
- South Lake High School Screaming Eagle Regiment Band on the Run
- South Lake Striders
- South Lansing Community Development Association
- South Lawrence East Little League
- South Lyon Cross Country
- South Metro Human Services
- South Milwaukee Little League
- South Milwaukee Recreation Department
- South Mountain Conservancy
- South Orange Dept. of Recreation and Cultural Affairs
- South Orange Family YMCA
- South Orange Little League
- South Padre Marathon
- South Pasadena Little League
- South Philadelphia Tennis Association
- South Plainfield Football Eagles
- South Plainfield HS DECA
- South Plainfield Tiger's
- South Plains College
- South Plains Girls Fastpitch Softball
- South Portland Parks, Recreation and Public Works
- South Region, Texas Bass Federation Nation
- South Riverdale Little League
- South Salem Little League
- South Shore 5K4Q Run and 1-Mile Fun Run
- South Shore Race Management
- South Shore Sailing School
- South Shore School of Theatre
- South Shore Summer Adventures by The Trustees of Reservations
- South Shore Surf Lacrosse
- South Shore Trail Series
- South Shore TRI Coach
- South Shore YMCA
- South Sound Summer Slam
- South Suburban Golf Course
- South Suburban Pop Warner
- South Suburban Tennis Academy
- South Texas Community Tennis Association
