Valve Corporation
10400 NE 4th Street,
Suite 1400
Bellevue WA 98004
(US)
David J. Byer
K&L Gates LLP,
925 Fourth Avenue,
Suite 2900
Seattle, WA 98104
(US)
Valve Corporation
10900 NE 4th Street, Suite. 500
Bellevue WA 98004-4359
(US)
Англ.Computer game software.