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...
Philippine Telegraph & Telephone Corp.
Spirit of Communications Center 106 Carlos Palanca Jr. Street 6t
Makati City 1229
SIC Code: 4812