SMRT is a multi-modal transport operator in Singapore. A subsidiary of the Government of Singapore's Temasek Holdings, it was established on 6 August 1987 and is listed on the Singapore Exchange. Operating bus, rail, taxi and other public and private transport services it is involved in leasing advertising and commercial spaces within the transport network it operates, as well as in engaging operations and maintenance services, project management and engineering consultancy in Singapore and overseas. The TQMS has been put into action in the transport vehicles that the SMRT operates and has been ensuring a consistent performance in a good number of stations, exceeding the expected degree of performance.