August 4th,2004 : PTT Maintenance and Engineering Company Limited (PTTME) was founded as NPTC Maintenance and Engineering Services Company Limited by collaboration between PTT Chemical Public Company Limited (PTTCHEM) and Toyo Thai Corporation Limited (TTCL). November, 2007 : All TTCL’s sharesholding in NPTC was liquidated to PTT Public Company Limited (PTT PLC) then changed the name to Alliance Plant Service Company Limited (APS). Shareholder structure as below : June 18th, 2009 : APS was renamed to PTT Maintenance and Engineering Co., Ltd (PTTME) Vision To be the Leader of Maintenance and Engineering Solution Provider in ASEAN Mission • To Provide Effective Maintenance, Engineering & Construction and Plant Inspection Service. • To Provide Customer Satisfaction for Sustainable Business. • To be the Center Associated with Alliance in Technology & Solution Provider. • To be Excellent in Knowledge, Innovation, Productivity, Quality, Safety, Occupation Health and Environment. • To Develop Capability for Service to Support the Growth of PTT Group Company • To be Maintenance and Engineering Specialist Center of PTT Group Staff Values • Passion for Excellence (*2012) • Integrity • Customer Centric • Knowledge Sharing & Team Work • Professional • Mastering the Challenge