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

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

PHILIPPINE LONG DISTANCE TELEPHONE COMPANY

Information and Communications Technology

Ramon Cojuangco Bldg., Makati Ave., Makati City Makati Metro Manila

Tel : (02) 816-8024;816-8121;816-8711;816-8097

Fax : (02) 810-7138;818-6800