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

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

PHILIPPINE TELEGRAPH AND TELEPHONE CORPORATION

TELECOMMUNICATIONS

6/F Spirit of Communication Center106 Carlos Palanca Jr. St.Legaspi Village, Makati City

Tel : 698-2222

Fax : 894-1147

Hi-Tech Industrial Galvanizing Enterprise

Guard rail supplier, Fabrication and Galvanizing

246 11th ave, bet. 10th and 11th st., Barangay 93 CALOOCAN CITY NCR

Tel : 02 5429348

Fax : 02 3197591

M.M. U-Chem Industries, Inc.

Construction Chemicals

Door 11 Gemsor Km 7 Bangkal Davao City Davao del Sur

Tel : +63822993993

Fax : +63822993993

SMART COMMUNICATIONS, INC.

Wireless Service Provider; GSM; ACeS satellite mobile phone services; Mobile Banking; Mobile Portal; SMART Money

6799 Ayala Ave. Makati City, 1226

Tel : 811-0211

Fax : 892-4844