- Petron Corporation
- Pilipinas Shell Petroleum Corporation
- Chevron Philippines Inc.
- PTT Philippines, Corp.
- Total (Philippines) Corporation
- Unioil Petroleum Phils.
- Metro Oil Subic, Inc.
- JETTI Petroleum Inc.
- CBRE GWS IFM Phils. Corporation
- Artelia Philippines, Inc.
- Metropolitan Waterworks & Sewerage System
- University of the Philippines - Diliman, Quezon City
- University of the Philippines - Manila
- Technological University of the Philippines
- National Museum
- SMC Infrastructure
San Miguel Holdings Corp.
- First Balfour
- Rockwell Corporation
- Philippine National Bank
- University of the Philippines - Diliman
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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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