Keppel Corporation Limited, an investment holding company, primarily engages in the offshore oil-rig construction; and shipbuilding and ship repair and conversion. The company operates in three segments: Offshore and Marine, Property, and Infrastructure. The Offshore and Marine segment designs, constructs, and repairs a range of mobile offshore drilling units, floating production systems, production topsides, and specialized vessels, such as deepwater semi-submersibles and tension leg platforms, as well as jackup rigs, drilling tenders, and posted submersible drilling units. This segment also engages in the conversion of floating production storage and offloading vessels, and floating storage and offloading vessels; and repair, conversion, and building of various vessels. It has a network of 17 yards worldwide. The Property segment focuses on property development for sale and management of property fund in Singapore, China, India, Vietnam, and Indonesia. Its property portfolio comprises residential properties and townships, office towers, serviced apartments, hotels and resorts, retail complexes, and industrial buildings. The Infrastructure segment comprises network engineering, and utility and engineering operations. This segment engages in power generation and provision of solutions in environmental engineering, including the design and construction of plants and equipment, and the maintenance and operation of the plants. It also offers network engineering and technology services, including design, roll-out, and operations management services to wireless and wireline telecommunications networks in Asia, Europe, and the United States. Keppel Corporation operates primarily in Singapore, Far East and other ASEAN countries, and Americas. The company, formerly known as Keppel Shipyard (Pte), Ltd., was incorporated in 1968 and is based in Singapore, Singapore.