The Lord of Grace Christian School, Inc.

Educational Institutions
30 Diamond St., ,East Fairview Quezon City Metro Manila
Tel : 939-40-59
Fax : 939-40-59

San Lorenzo Ruiz School, Meycuayan

Educational Institutions
140 Pearl Diamond, St. Francis Subd. Pandayan San Lorenzo Ruiz School, Meycuayan Bulacan
Tel : (044) 840 62 89
Fax : (045) 840 62 89

Maria Regina Learning Center

Educational Institutions
30 12 S. Rivera Lim St. Diamond Subd., Balibago Maria Regina Learning Center Pampanga
Tel : (045) 322 70 94

PEPCO LEARNING INSTITUTE INC.

Educational Institutions
Mezzanine Flr., C.K. Sy Diamond Bldg., #156 Libertad St., Pasay City

AAC Human Resources Development and Training Center Corp.

Educational Institutions
4/F Deck I G.K. Sy Diamond Bldg., 156 Libertad St., Pasay City Metro Manila
Tel : 834-5753

PBN Security Training Center Corp.

Educational Institutions
2F Rooms 202-204 CK Sy Diamond Bldg., 156 Libertad St., Pasay City Metro Manila
Tel : 891-8752

AMERICAN PACKAGING CORP.

Food and Foodstuff
Luzon House, Severina Ave., Severina Diamond Subd., Km. 18, South Super Highway, Sucat, Parañaque City Parañaque Metro Manila
Tel : (02) 824-3691 / 824-4697
Fax : (632) 824-5285 to 86 / 821-2389

ROYAL DEV’T. CORP. OF THE PHILS.

Construction Companies
Rm. 304 Diamond Finance Bldg., 603 EDSA, Cubao, Quezon City Quezon City Metro Manila
Tel : 727-6440 / 725-0571
Fax : 721-6438

Victorious Language and Technology Center Inc.

Services(Korean Language Tutorial)
Evangelista St.(1sr Crown Diamond Building) Batangas City Batangas

AA MARK PLUMBING SERVICES, INC.

PLUMBING SERVICES (OFFICE ONLY)
B3 L15 DIAMOND ST., INTERVILLE 1 SUBD. 164 CALOOCAN CITY METRO MANILA
Tel : 7213180/2878560