The ones I like are Gran Turismo, God Of War, Ico, Shadow of the Colossus.
Resistance, Killzone, MotorStorm and Uncharted are not bad though.
I would say Konami is just as good with Castlevania, Contra, Gradius, Metal Gear Solid, Silent Hill.
Capcom is good too. Definitely SNK is awesome.
I don't like Activision or Ubisoft. I prefer Namco and Techno.