HANDYWARE PHILS., INC.

HPI Corporate Centre, 1026 EDSA, Munoz, Quezon City Quezon City Metro Manila

Tel : 426-2888

Fax : 426-3888/426-3889

TAE SUNG PHILS. CO., INC. (formerly TAE SUNG INDUSTRIES CORP.)

c/o Cavite Economic Zone, Rosario, Cavite Cavite Region 4

Tel : c/o (046) 437-6090

ZENITH TELECOMMUNICATIONS CO INC

Information and Communications Technology

820 RM 306 LBBI BLDG REMEDIOS ST, MALATE Manila

Integrated Telecommunications Suppliers Association of the Philippines (ITESAP)

Trade and Business Associations

7th Floor, Unit 11 Phil. AXA Life Center, Sen. Gil Puyat Ave., Makati City

Tel : (02) 813-6398/759-3869

Fax : (02) 895-8230

Philippine Electronics & Telecommunications Federation (PETEF)

Trade and Business Associations

7/F, Unit 11 PS Bank Tower, Tindalo St., Sen. Gil Puyat Ave, Makati City

Tel : (02) 813-6398

Fax : (02) 813-6397

AMA Telecommunications and Electronics Learning Center of España Inc.

Educational Institutions

3F Concepcion-Valisno Villaroman Bldg., España cor. P. Campa Sts., Sampaloc, Manila

Bayan Telecommunications, Inc.

Information and Communications Technology

Bayantel Bldg., 234 Roosevelt Ave., San Francisco Del Monte, Q.C.

Tel : (02) 449-3000

Digital Telecommunications Philippines, Inc.

Information and Communications Technology

URC Cpd., 110 E. Rodriguez Jr. Ave., Libis, Q.C.

Tel : (02) 397-8888

Ericsson Telecommunications, Inc.

Information and Communications Technology

10/F Octagon Bldg., San Miguel Ave., Ortigas Ctr., Pasig City

Tel : (02) 637-1600

Philippine Telecommunications Investment Corp.

Financial, Accounting, Insurance and Banking Services

6/F Ramon Cojuangco Bldg., Mkti Ave., Mkti. City

Tel : (02) 816-8929