SatoSystems (also sometimes referred to as SatoSystem Inc. or Sato Scientific) is a major electronics company that is owned by Sony and has ties to Tower Prep .
SatoSystems makes the PDAs issued to all Tower Prep students. SatoSystems is a well-known electronics company in the outside world. SatoSystems is responsible for the buzzing noise that knocks out students when they are first brought to Tower Prep. SatoSystems is still responsible for developing and maintaining the Whisper computer, SatoSystems has power on the board of directors controlling Tower Prep.