TELECOMMUNICATIONS & COMPUTER TECHNOLOGIES, INC. (TCTI)

Information and Communications Technology
Florida Florida, Mandaluyong City CITY OF MANDALUYONG NCR
Tel : 02 726 5353 / 02 723 0375
Fax : 02 721 8133

PHIL TELEPHONE & TELEGRAPH CORP - ADRIATICO BRANCH

Information and Communications Technology
MARIO CO BLDG M ADRIATICO ST, MALATE Manila

PHIL TELEGRAPH & TELEPHONE CORP

Information and Communications Technology
5TH FLR ISETANN CINERAMA CPLX CM RECTO AVE, QUIAPO, Manila

PHIL TELEGRAPH & TELEPHONE CORP

Information and Communications Technology
731 VICTORIA ST, BGY 658, ZONE 070 INTRAMUROS Manila

PHIL TELEGRAPH & TELEPHONE SVCS CORP

Information and Communications Technology
749 VICTORIA ST, INTRAMUROS Manila

ALTIGEN PHILIPPINES

Telecommunications
8101 Pearl Plaza, Suite 5D Lot 5 & 6 Pearl Drive Ortigas Center Pasig City Metro Manila
Tel : (632) 9100080-81
Fax : (632) 6354450

WEBSERV ASIA CORP.

Information and Communications Technology
c/o Eastwood City Cyberpark, Libis, Quezon City Quezon City Metro Manila

PHILIPPINE LONG DISTANCE TELEPHONE CO.

Information and Communications Technology
2/F Manabat Bldg. Dolores, City of san Fernando, Pamp. Pampanga Region 3
Tel : 961-5555/961-7700/625-8700
Fax : 961-4700

PHILIPPINE TELEGRAPH & TELEPHONE COMPANY (PT&T)

Information and Communications Technology
SJS Building Casino St., cor. South Superhighway Palanan, Makati City Makati Metro Manila
Tel : (02) 844-76-47 / 818-05-11
Fax : (02) 810-12-11 / 844-76-47

MAYON TELEPHONE CO, (MATELCO)

Information and Communications Technology
2nd Floor, Midland Plaza, M. Adriatico St. Ermita Manila Manila Metro Manila
Tel : (02) 522-02-74
Fax : (02) 722-84-64