Bethesda Softworks
Xbox Game Studios
Bethesda Game Studios
Tango Gameworks
MachineGames
Activision Blizzard
Id Software
Microsoft
Compulsion Games
Mojang Studios
343 Industries
Obsidian Entertainment
Media company by microsoft
zenimax.com
ZeniMax Media Inc. is an American video game holding company based in Rockville, Maryland, and founded in 1999. Wikipedia