(Order of memory lol)

Relic:

Homeworld
Company of Heroes
Dawn of War

Valve:

HL
HL2
CS (mod creator hired by Valve)

Rockstar/Remedy/3drealms:

Max Payne 1/2
Grand Theft Auto series
Alan Wake (future)
Bully
Manhunt

Crytek:

Farcry
Crysis (future)

Westwood:

C&CRA2

Bioware:

KOTOR

Lionhead:

Black and White

Frontier:

Rollercoaster tycoon series

Id Software:

Wolfenstein + RTCW
Quake series
Doom series

CCP:

EVE Online

SOE:

SWG pre cu  (been ruined now, so SOE rn't a good developer anymore)

All i can remember for now...