- Petron Corporation
- PTT Philippines, Corp.
- Unioil Petroleum Phils.
- Metropolitan Waterworks & Sewerage System
- University of the Philippines - Diliman, Quezon City
- University of the Philippines - Manila
- Technological University of the Philippines
- National Museum
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| In January 2001, the company received a recognition, signifying our commitment to excellence in support of Petron's thrust on Customer Intimacy. |
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