Bangkok Expressway & Metro Public Co. Ltd. engages in the management of expressway and metro service provider. It operates through the following business segments: Expressway Business, Rail Business, Commercial Development Business, and Other. The Expressway Business segment operates and constructs the expressway. The Rail Business segment focuses on the operation of the rapid transit system. The Commercial Development Business segment refers to the retail space, and provision of advertising media and telecommunication services. The Other segment relates to the operation of Bang Pa-In-Pak Kret expressway project. The company was founded on December 30, 2015 and is headquartered in Bangkok, Thailand.