BELL TELECOMMUNICATIONS PHILS., INC. (BELLTEL)

Information and Communications Technology

3rd & 4th Flr. Pacific Star Bldg.,Makati Ave.,cor. Sen. Gil Puyat Ave.,Makati City Makati Metro Manila

Tel : (02) 894-1259; 815-1754; 890-1919; 895-2709

Fax : (02) 812-2383; 891-5618; 897-6309

ISLA COMMUNICATIONS CO., INC.

Information and Communications Technology

22nd Floor Trafalgar Plaza Bldg., H.V. Dela Costa St. Salcedo Village, Makati City Makati Metro Manila

Tel : (632) 840-07-40 / 848-37-01 loc. 267 / 752-28-66

Fax : (632) 752-29-12

ITALTEL SOCIETA ITALIANA TELECOMMUNICAZIONNE, S.P.A.

Information and Communications Technology

Unit E -1202 A&B Tower I, Phillippine Stock Exchange Centre Exchange Road, Pasig City Pasig Metro Manila

Tel : (02) 636-16-80 to 82 / 634-63-17

Fax : (02) 636-16-84/634-63-17

NORTEL NETWORKS

Information and Communications Technology

26th Floor, Trident Towers, 312 Sen. Gil Puyat Ave., 1227 Makati City, Philippines Emerald Avenue, Ortigas Center 1605 Pasig City Pasig Metro Manila

Tel : (02) 914-26-24 / 917-44-00 / 914-26-01 to 02

Fax : (02) 638-83-13/917-26-01

I-GATE SOLUTIONS & TECNOLOGIES CORP.

Information and Communications Technology

Unit 6, UP Technology Park Bldg., CP Garcia Ave. cor. Katipunan Ave., UP Diliman, Quezon City Quezon City Metro Manila

Tel : (02) 928-9344; 426-7237

Fax : (02) 433-5463

NOKIA (PHILIPPINES), INC.

Information and Communications Technology

26/F Trident Towers, 312 Sen. Gil Puyat Ave., Salcedo Village, Makati City, Metro Manila Makati Metro Manila

Tel : (02) 754-1500: 754-1600: 754-1777

Fax : (02) 754-1576

HUBPORT INTERACTIVE

Information and Communications Technology

2/F Technotrade Bldg., 164 R. Castillo Street, Agdao, Davao City Davao City Region 11

Tel : (082) 233-0231; 233-1341; 300-9178

Fax : (082) 233-0231

Virlo Construction

Construction

Virlo Compound Pilipog Cordova Cebu

Tel : +63 32 2667301

Fax : +63324962417

First Alliance Technologies

Information and Communications Technology

Unit 1702 Platinum 100, 16 Annapolis St Greenhills CITY OF SAN JUAN Metro Manila

Tel : +63 2 622 5711

Fax : +63 2 727 4677

Rafallo Percalin Corporation

Engineering Services

Unit 10 MSA Building Prime Street Madrigal Business Park2 CITY OF MUNTINLUPA Metro Manila

Tel : +639432177620

Fax : 02 659 1263