Panasonic Interactive :www.panasonic.com
Particle Systems :www.particle-systems.com
Patch Products :www.patchproducts.com
Phantagram :www.phantagram.com
Philips :www.philips.com
Piranha Interactive :www.piranhainteractive.com
Playful Minds :www.playfulminds.com
Playmates Interactive :www.playmatestoy.com
PopTop Software :www.poptop.com
PostLinear Entertainment :www.postlinear.com
Project 2 Interactive :www.project2.com
Psygnosis :www.psygnosis.com
Pulse Entertainment :www.pulsnetwork.com