BEM to provide E&M and O&M for MRT Blue Line stations, Thailand February 16, 2017 | Asia Pacific News Mass Rapid Transit Authority (MRTA) has awarded a THB918.48-million contract to Bangkok Expressway and Metro Public Company Limited (BEM) to supply electrical and mechanical (E&M) systems and prov... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password