IO Interactive is a Danish game developer and subsidiary of Square Enix.

IceFrog is a game designer most well-known for being the longest serving developer of the WarCraft III mod Defence of the Ancients, and the current lead designer of Valve's DotA 2.

Insomniac Games is an American independent video game developer located in Burbank, California. Insomniac Games Founded by Ted Price  in 1994. after their first game Disruptor they has released fifteen games  for PlayStation, PlayStation 2, and PlayStation 3 as a Sonys second party Developer.