PHILIPPINE LONG DISTANCE TELEPHONE COMPANY

TELECOMMUNICATIONS

Ramon Cojuangco BuildingMakati Avenue, Makati City

Tel : 814-3552; 816-8024; 816-8117; 816-8405

Fax : 810-7138

PILIPINO TELEPHONE CORPORATION

TELECOMMUNICATIONS

25/F Smart Tower6799 Ayala Ave., Makati City

Tel : 511-6121/6241

Fax : 817-3345

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 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

PHIL TELEPHONE & TELEGRAPH CORP - ADRIATICO BRANCH

Information and Communications Technology

MARIO CO BLDG M ADRIATICO ST, MALATE 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