- Sound Shaft -- Sound Team
- Sound Teknique -- Sound Universe
- Sound Velvet Sidewalk -- Soundank
- Soundary -- SoundCat
- Soundcell -- Sounder
- Sounders Department -- Soundgrabber
- Soundhack -- Soundition
- Soundix -- SOUNDOCTRINE
- Soundog -- Sounds By Geology
- Sounds Delight -- Sounds Like Violence
- Sounds Nice -- Sounds of Jawz
- Sounds Of JHS 126 -- Sounds of Praise
- Sounds of Rage -- Sounds Of The Circus South Shore Concert Band
- Sounds of the Czars -- Sounds That Soothe
- Sounds Under Radio -- Soundsci
- Soundscreen Design -- Soundsphere
- Soundsphere II -- Soundtrack & Theme Orchestra
- Soundtracks -- Soundz of Praize
- Soundzania -- Soup D
- Soup The Chemist -- Sour Jazz
- Sourabh Bose -- Source of Madness
- Source of Tide -- Sourisse
- Sourman -- Sousalves