CH Offshore Ltd., an investment holding company, provides marine support services to the offshore oil and gas industry. It is involved in the ownership and chartering of vessels. The company provides various services, including offshore construction support; support services to offshore drilling rigs and installations, such as towing, anchor-handling, and supply of dangerous goods, as well as supply of deck, liquid, and dry bulk cargoes; and field support services comprising emergency response, rescue, fire-fighting, anti-pollution, etc. It operates a fleet of six vessels that comprise anchor handling tugs, platform supply vessels, work boats, and liftboats. The company was formerly known as Mico Line Pte Ltd and changed its name to CH Offshore Ltd. in September 1990. The company was incorporated in 1976 and is based in Singapore. CH Offshore Ltd. is a subsidiary of BT Investment Pte. Ltd.