| Player 1
| http://www.player1.com
|
| Playmates
| http://www.playmatestoys.com
|
| Playstos Entertainment
| http://www.playstos.com
|
| Pocket Studios
| http://www.pocket-studios.com
|
| Pocketeers
| http://www.pocketeers.co.uk
|
| Polygon Magic
| http://www.polygonmagic.com
|
| Polyphony Digital
| http://www.polyphonydigital.com/
|
| PopCap
| http://www.popcap.com
|
| Point Of View
| http://www.pov-inc.com/
|
| Powerhead Games
| http://www.powerheadgames.com/
|
| Presto Studios
| http://www.presto.com
|
| Prograph Research
| http://www.prograph.it
|
| Prolific Publishing
| http://www.prolific.com/
|
| Pronto Games
| http://www.prontogames.com
|
| Prope
| http://www.prope.jp/
|
| Propeller
| http://www.propeller-game.com/
|
| Pseudo Interactive
| http://www.pseudointeractive.com
|
| Psikyo
| http://www.psikyo.co.jp/
|
| Pterodon
| http://www.pterodon.com/
|
| Pukka Games
| http://www.pukkagames.com/
|
| Pulltop
| http://www.pulltop.com
|
| Pumpkin Studios
| http://www.pumpkinstudios.com
|
| Pure Entertainment
| http://www.pure-ent.co.uk/
|
| PuzzleKings
| http://www.puzzlekings.com
|
| Parallax Software
| http://www.pxsoftware.com
|
| Pyro Studios
| http://www.pyrostudios.com
|
| Psygnosis
| http://www.scee.com
|
| Puzzlebox
| http://www.sp-janis.com/brand/puzzlebox.shtml
|
| PIL
| http://www.stoneheads.co.jp/
|
| Pajama Soft
| http://www2.pajamas.ne.jp
|