Bangkok Mass Transit System

Bangkok Mass Transit System Public Company Limited (BTSC, Thai: บริษัทระบบขนส่งมวลชนกรุงเทพ จำกัด (มหาชน)) is a Thai transport company. It is a majority-owned subsidiary of BTS Group Holdings (BTSG, previously known as Tanayong). The company is best known as the operator of the BTS Skytrain; Sukhumvit Line, Silom Line and Gold Line; Pink Line; Yellow Line and Bangkok BRT.