Bangkok Expressway and Metro Public Company Limited, together with its subsidiaries, provides transportation services in Thailand. It operates through four segments: Expressway Business, Rail Business, Commercial Development Business, and Others. The company engages in the construction, operation, and management of expressways; and operation of rapid rail transit systems. It is also involved in the rental of retail space; provision of advertising media and telecommunication services inside and outside of underground train stations and expressways; operation of metro services; and commercial development. The company was formerly known as Bangkok Metro Public Company Limited and changed its name to Bangkok Expressway and Metro Public Company Limited in December 2015. Bangkok Expressway and Metro Public Company Limited was founded in 1998 and is headquartered in Bangkok, Thailand.