Sony Pictures Television
On September 16, 2002, Sony Pictures Entertainment retired the name "Columbia TriStar" from television and renamed the American studio as Sony Pictures Television and its international division as Sony Pictures Television International. Some shows continued using the CTDT name, although many stopped using it in November 2002, while "Hollywood Squares" continued using it until early 2003.
SIE Worldwide Studios
Sony Interactive Entertainment Worldwide Studios, abbreviated SIE Worldwide Studios, is a group of video game developers owned by Sony Interactive Entertainment, which was established in 2005. It is a single internal entity overseeing all wholly owned development studios within SIE. It is responsible for the creative and strategic direction of development and production of all computer entertainment software by all SIE-owned studios, all of which is produced exclusively for the PlayStation family of consoles.