TELECOMMUNICATIONS OPERATORS OF THE PHILIPPINES (TOP)

Information and Communications Technology

c/o Bayantel, 6/F Dolmar Gold Tower 107 C. Palanca Jr. St., Legaspi Village Makati City Makati Metro Manila

Tel : (02) 894-1140; 894-4620

Fax : (02) 894-1141

DIGITAL NETWORK COMMUNICATION AND COMPUTERS, INC.

Information and Communications Technology

30/F Antel Corporate Center Julia Vargas Avenue., Ortigas Center Pasig , Metro Manila Pasig Metro Manila

Tel : (02) 916-00-01/636-28-88

Fax : (02) 638-36-30

DIGITAL NETWORK COMMUNICATIONS COMPUTER INC.

Information and Communications Technology

Door No. 8 GF Krizia Bldg., Gonzales Compound, Gorordo Avenue, Lahug, Cebu City Cebu Region 7

Tel : (032) 233-2331; 2337; 232-7538; 4523

Fax : (032) 233-2584

INTEGRATED TELECOMMUNICATIONS SUPPLIERS ASSN. OF THE PHILIPPINES. (ITESAP)

Information and Communications Technology

c/o PETEF Secretariat, 7th Flr., Unit-11 PS Bank Tower, Sen. Gil Puyat Ave. Cor. Ayala Ave., Makati City Makati Metro Manila

Tel : (02) 759-3869 / 899-0390

Fax : (02) 813-6397; 895-6230

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