Organizers
- City of Round Rock
- City of Ruston Parks and Recreation Department
- City of Saint Helena
- City of Salem
- City of Salisbury Parks and Recreation
- City of San Diego Junior Lifeguards
- City of San Diego Park and Recreation Department
- City of San Diego Parks and Recreation Department
- City of San Dimas
- City of San Jose Parks, Recreation and Neighborhood Services Department
- City of San Luis Obispo
- City of San Luis Obispo Parks & Recreation Department
- City of San Marcos
- City of San Pablo
- City of Sandy Springs
- City of Sanger
- City of Santa Fe
- City of Santa Maria
- City of Santa Monica
- City of Santee
- City of Schertz
- CITY OF SCOTTS VALLEY RECREATION DIVISION
- City of Scottsdale Community Services Division
- City of Scottsdale Parks and Recreation
- City of Scottsdale Parks and Recreation Department
- City of Selah Parks and Recreation
- City of Seminole
- City Of Seneca
- City of Sheldon Parks and Recreation
- City of Sierra Madre
- City of Sierra Vista - Sports
- City of Solana Beach
- City of Southlake Parks and Recreation
- CITY OF SPARKS PARKS AND RECREATION
- City of Spring Hill
- City of Spruce Grove
- City of St. Helena
- City of St. John's (NFLD)
- City of Stoughton Parks and Recreation
- City of Stuart Community Services
- City of Summerside
- City of Summerside - Credit Union Place
- City of Sun Prairie Parks, Recreation and Aquatics
- City of Sun Prairie Recreation Department
- city of tallahassee
- City of Tempe
- City of Temple
- CITY OF TEMPLE CITY
- City of Thornton
- City of Tigard Parks Department
