Penthouse Alabang Corporate Center Km 25 West Service Road South Superhighway Alabang Alabang Muntinlupa METRO MANILA

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QSI, is an ISO 9001:2008 certified company for Quality Management System and is engaged in different disciplines in construction and development, these are cost estimation, project management, cost feasibility and procurement management. It began its business operations in the Philippines last March 2008. QSI was established by a team of visionaries and experts in the industry.