Hock Cheng Heng

Otto Marine Ltd. owns and operates fleet of offshore support vessels. Its business segments include shipping and chartering, and shipyard. The company was founded on September 5, 1979 and is headquartered in Singapore.

AET Tanker Holdings Sdn. Bhd. provides petroleum logistics solutions. It offers ocean transportation and petroleum lightering services for oil companies, trading houses, and refiners. The company was founded in 1994 and is headquartered in Kuala Lumpur, Malaysia.

AET Shipmanagement (Singapore) Pte Ltd. provides ocean transportation services for oil companies, trading houses, and refiners. The company is based in Singapore, Singapore. The Singaporean company is ultimately controlled by the Government of Malaysia.

Part of Shell Plc, Sarawak Shell Bhd. The company is based in Sarawak, Malaysia. is a Malaysian company that provides oil and gas services. Iain John Lo has been the CEO of the company since 2012.

Part of Shell Plc, Sabah Shell Petroleum Co. Ltd. is a Malaysian company that specializes in the manufacturing, marketing, and distribution of oil products such as fuels, lubricants, and bitumen. The company is based in Kota Kinabalu, Malaysia. Sabah Shell Petroleum Co. offers support to manage fuel costs during volatile energy prices and is one of the world's largest hydrocarbon trading companies. Additionally, the company provides marine lubricants and oils to improve marine operations. Shell upstream focuses on the efficient development and extraction of crude oil and natural gas offshore, while downstream's main activity is in the manufacturing, marketing, and distribution of oil products. The CEOs of the company are Muhammad Anuar bin Taib and Iain John Lo.