Organizers
- Social Motion Skills, LLC
- Social Motion Skills: Easter Seals
- Social Skills Today, LLC
- Social Skills Today, LLC - Social Skills
- Society of Nuclear Medicine and Molecular Imaging PDEF
- SocRoc - Soccer Classes For Kids
- SODEPAL S.A.U.
- SoFitCity
- Softball
- Soggy Bottom Boys Racing
- Sokol Spirit
- Sol Acting Academy
- Sol Acting Studios
- Sol Lipton Scholarship Fund
- Sol Surf Camp
- Solar Recreation
- Solaris Sport & Racquet
- Solaris Sports Club
- Solarium Institute
- Soldier Marathon
- Soldotna Silver Salmon Swim Team
- Sole Empowerment YYC
- Sole Girls
- Sole Girls YYC
- Sole Racing
- Sole Sistas of the 618
- sole sisters
- Sole Sisters of FBC
- Sole Sisters Running
- Sole Sisters Running Club
- Soledad-Mission Recreation District
- Solera/Sun City at Apple Valley
- SoleRUNNERS
- Soles for Cole 5K
- Solid Rock Camps
- Solisports
- Solita's House Inc.
- Solon Saturns Youth Football
- Solutions 4 Growth LLC
- Solvang Parks and Recreation
- somers library foundation
- Somers Parks & Recreation Department
- Somers Point Little League
- Somerset Hills State Schl. ASC
- Somerville Homeless Coalition
- SOML Racing, Inc.
- So-Mo Volleyball
- Sonny Yada Golf
- SoNo Ice House
- Sonoma County Family YMCA
