AltiGen Communications, Inc. is the leading provider of 100% Microsoft-based Unified Communications solutions. AltiGen's corporate headquarters is located in San...
Afone SA engages in the provision of telecommunications services. The company operates through two segments: Telecom Sector and Parks Constitution...
AT&T Wireless Services, Inc.
7277 164th Avenue Northeast Building 1
Redmond , WA 9802
SIC Code: 4812