ERL Maintenance Support Sdn Bhd or E-MAS was established in 1999 to commission, operate and maintain Express Rail Link (ERL), Malaysia's fastest, and most intensive railway system with an near perfect performance record and an unblemished safety record. E-MAS is fully owned by ERL and is located at Kompleks Rel Udara in Bandar Baru Salak Tinggi in the district of Sepang, Selangor Darul Ehsan.
E-MAS is highly specialized in providing a full range of key railway disciplines. E-MAS experience covers projects, operations and maintenance in high-speed rail, commuter networks and railway freight.
E-MAS has managed to develop the skills and expertise of its employees to successfully operate and maintain both the KLIA Ekspres and KLIA Transit with an impeccable on-time service performance.