SPHAIRON ACCESS SYSTEMS PHILS., INC.

Information and Communications Technology

Unit 1501 15/F 88 Corporate Center, VAlero cor., Sedeno St., Salcedo Village, Makati City Makati Metro Manila

Tel : 889-6091

Fax : 889-6090

SUN CELLULAR

Information and Communications Technology

26/F, Galleria Corporate Center, Ortigas Ave., cor. EDSA, Quezon City Quezon City Metro Manila

Tel : (02) 397-8169

Fax : (02) 395-2483

NEXTEL COMMUNICATIONS PHILIPPINES, INC.

Information and Communications Technology

18/F, Orient Square Bldg. Emerald Avenue Ortigas, Pasig City Pasig Metro Manila

Tel : (02) 786-2000 loc. 4302

Fax : (02) 636-1234

ANGELO TELECOMM

Information and Communications Technology

Unit 302, C. Ramirez & Co. Bldg., 314 NS Amoranto Ave., Sta. Mesa Heights., Quezon City Quezon City Metro Manila

Tel : (02) 740-8898

Fax : (02) 413-3487

UNIVERSAL TELECOMMUNICATIONS SERVICE, INC. (UTS)

Information and Communications Technology

2/F, Marsman Drysdale Compound Rambutan Road Taguig, Metro Manila Taguig Metro Manila

Tel : (02) 776-80-24

Fax : (02) 776-80-23

UNIVERSAL TELECOMS & MANAGEMENT SERVICES CORP.

Information and Communications Technology

Room 2110 Cityland 10 Tower 1, Ayala Avenue, Makati City Makati Metro Manila

Tel : (02) 813-61-41

Fax : (02) 867-18-14

ISLA COMMUNICATIONS CO., INC.

Information and Communications Technology

Globe-Isla Plaza, Cebu Business Park, Cebu City, Cebu Cebu Region 7

Tel : (032) 415-8802: 415-8823

Fax : (032) 415-8822

BAYANTEL

Information and Communications Technology

5/F, Benpres Building Exchange Road Pasig City Pasig Metro Manila

Tel : (02) 633-1111 loc 2268; 2173; 449-2140

Fax : (02) 634-2657; 449-2441; 449-2432

BRITISH TELECOMS

Information and Communications Technology

G/F, Splendido Gardens Salcedo 146 HV Dela Costa St. Salcedo Village, Makati City Makati Metro Manila

Tel : (02) 753-35-11 / 753-35-13

ECI TELECOM (PHILIPPINES) INC.

Information and Communications Technology

27th Floor, Unit 2702 Antel 2000 Bldg., 121 Valero St., Salcedo Village, Makati City Makati Metro Manila

Tel : 845-2333; 750-8175

Fax : 843-8222