GCME is a maintenance, engineering, procurement, construction (EPC) and project management (EPCm) services company. We deliver high quality of engineering deliverables and fully integrated engineering services. GCME has strong engineering capability with more than 2,000 people working in multi-disciplines. 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) December 6th, 2018 : PTTME was renamed to GC Maintenance and Engineering Co., Ltd (GCME)