ALECON CORPORATION

Unit 93 Legaspi Suites, 178 Salcedo St., Legaspi Village, 1200 Makati City, Metro Manila Makati Metro Manila

Tel : (02) 818-5768: 894-5729 to 30

Fax : (02) 813-4218

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

TERESITA SVC CONTRACTOR

SVC CONTRACTOR

BURKE BLDG SUITE 414 BURKE COR ESCOLTA, BINONDO, MANILA METRO MANILA

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

Dyna Ware Incorporated

Plastic Products

15 Delfin St. Marulas CITY OF VALENZUELA Metro Manila

Tel : 02 292 8021

Fax : 02 291 6826

PHILIPPINE LONG DISTANCE TELEPHONE COMPANY

Telecommunications

Ramon Cojuangco Bldg., Makati Ave. Makati City, Metro Manila 1200

Tel : 816-8024;816-8121;816-8711;816-8097

Fax : 810-7138;818-6800

WEBSERV ASIA CORP.

Information and Communications Technology

c/o Eastwood City Cyberpark, Libis, Quezon City Quezon City Metro Manila

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

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

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