Singapore Airlines Limited operates in the Air transportation, scheduled sector. Singapore Airlines Limited engaged in passenger and cargo air transportation, engineering services, training of pilots, air charters and tour wholesaling and related activities. It operates in four segments: airline operations, which provides passenger air transportation; engineering services, which provides airframe maintenance and overhaul services and line maintenance and technical ground handling services and fleet management programme, also manufacturing aircraft cabin equipment, refurbishes aircraft galleys, provides technical and nontechnical handling services and repair and overhaul of hydro-mechanical aircraft equipment.; cargo operations, which segment is involved in air cargo transportation and related activities, and Other services, which includes services, such as training of pilots, air charters and tour wholesaling. On July 23, 2010, the Company divested its 50% interest in Service Quality (SQ) Centre Pte Ltd. In our complete report available for purchase the company is compared to: Cathay Pacific Airways Limited, China Southern Airlines Company Limited and China Eastern Airlines Corporation Limited.