Capcom and Square immediately come to mind.
Almost any company that was bought by EA (Maxis, Westwood, Bullfrog)
- Where to Find Zelda: Breath of the Wild Kilton Monster Parts Merchant, Kilton Locations, Monster Parts, Items List
- Zelda: Breath of the Wild Blood Moon Guide ? Cooking Bonuses, Enemy and Items Respawns
- Mass Effect Andromeda Dev Experimented With No Man?s Sky-Style Procedural Planets
- Call of Duty WW2 Promotional Images Emerge ? Rumour
- Animalium Mod 1.10.2 (More Wild Animals, Gear, Food)
- Stardock CEO On Project Scorpio?s Lack of eSRAM: Hopefully The OS Can Take Care of Xbox One Compatability Issues
- Mass Effect Andromeda Multiplayer Kett, Outlaws and Remnant Enemies Guide ? Tips and Combat Strategy
- Understanding Mass Effect Andromeda Multiplayer Characters
- Troll Guns Mod 1.10.2 (TNT Dropper, Grenade, Bazooka)
Intelligent Systems :(
Didn't like the new Paper Mario? They have been doing wonders on the 3DS eshop though (Pushmo/Crashmo). They also seem to stay true with Fire Emblem. Just need another Advance Wars.
Out of the game companies that are still around: Sega, Rare, Capcom, Square, Konami, Namco, LucasArts Midway, Id software, 3d Realms, Insomniac games THQ. Basically almost every game company tanked after the recession.
Out of the companies who aren't around that are worthy of mention: Atari, Core, Gt Interactive, Accolade, Acclaim