Valve Corporation, also known as Valve Software, is an American video game developer, publisher, and digital distribution company headquartered in Bellevue, Washington. Wikipedia
Founders: Gabe Newell and Mike Harrington
Headquarters: Bellevue, WA
President: Gabe Newell
Founded: August 24, 1996, Kirkland, WA
Owner: Gabe Newell (>50%)
Formerly: Valve, L.L.C. (1996–2003)