Keppel Corporation Limited is a Singapore-based investment holding company. The principal activities of the companies in the Group consist of offshore oil-rig construction, shipbuilding and ship repair and conversion; property development and investment and property fund management; environmental engineering, power generation and network engineering, and investments. In March 2009, the Company incorporated the wholly owned subsidiary, Knowledge City Pte. Ltd. in Singapore. In August 2009, the Company acquired Senoko Incineration Plant. In September 2009, the Company transferred KCPL to Singbridge International Singapore Pte. Ltd. Accordingly, the Company has ceased to hold any interest in KCPL. In September 2009, the Company incorporated a wholly owned subsidiary, Keppel Ventus Pte. Ltd.