Pending the closure of a $7.5 billion cash sale, Microsoft has purchased Zenimax Media, the parent company of Bethesda Softworks, Bethesda Game Studios, id Software, ZeniMax Online Studios, Arkane, MachineGames, Tango Gameworks, Alpha Dog, and Roundhouse Studios.
Source: Kotaku – Microsoft Buys Bethesda Parent Zenimax Media For .5 Billion