Nice list! :D Possible additions:
First party:
Japan Studio
Main Team: Freedom Wars + ?
Team Ico: The Last Guardian
Team Gravity: Gravity Rush 2
Santa Monica Studio
New open world IP with magic based powers written by Battlestar Galactica writer Michael Angeli (http://www.playstationlifestyle.net/2012/06/08/sony-santa-monicas-new-ip-to-feature-magic/)
San Diego Studio
MLB 14: The Show
London Studio
Mark Simmons worked on an unannounced AAA character action game at Sony London Studio
Sony Online Entertainment
PlanetSide 2
Second party:
Sega
Yakuza: Restoration
Capcom
Deep Down
Square Enix
Final Fantasy IX: A Realm Reborn
Sumo Digital
Little Big Planet 3 (http://gimmegimmegames.com/2013/06/little-big-planet-3-leaked-via-resume/)
Housemarque
Team 1: Resogun
Team 2: New game
Giant Sparrow
New IP
