Atlus - Persona 3
Square Enix - Final Fantasy Tactics Advance
Konami - Silent Hill 2
CD Project Red - The Witcher
Bioware - Baldur's Gate II
EA - The Sims 3
Ubisoft - Child of Light
Monolith - Xenoblade Chronicles
Mistwalker - The Last Story
Nintendo - Mario and Luigi: Bowser's Inside Story

These are just the ones off the top of my head. Gonna have to do some more digging because I usually just don't really think about the company when getting into a game