ComfortDelGro Corporation Limited is a Singapore-based investment holding company. It provides management services. Its businesses include bus, taxi, rail, car rental and leasing, automotive engineering services, inspection and testing services, driving centers, non-emergency patient transport services, insurance broking services and outdoor advertising. The Bus segment provides scheduled services and coach rental services; Bus station segment provides public bus services; the Rail segment provides rail services, and the Taxi segment rents out taxis and taxi bureau services. The Automotive engineering services segment provides vehicular maintenance and repair services, construction of specialized vehicles, assembly of bus bodies, engineering services and diesel. The Inspection and testing services segment provides motor vehicle inspection services and non-vehicle testing, inspection and consultancy services. The Car rental and leasing segment include renting and leasing of cars.