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

REY-TECH Construction

Construction Companies

REY-TECH Fabrication Site La Paz Ext. Bauan Batangas

Tel : 0437274368

Fax : 0437274368

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

ERICSSON TELECOMMUNICATIONS, INC.

Information and Communications Technology

7/F Octagon Building, San Miguel Ave., Ortigas Center, Pasig City, Metro Manila Pasig Metro Manila

Tel : (02) 637-1600

Fax : (02) 637-6160

ETSI TECHNOLOGIES, INC. (FOR. ELECTRONIC TELEPHONE SYSTEM IDUSTRIES, INC.)

Information and Communications Technology

Mercedes Business Park, Mercedes Avenue, Pasig City Pasig Metro Manila

Tel : (02) 634-54-77

Fax : (02) 643-20-33