Hong Kok Cheng

Singapore Petroleum Co. Ltd. explores, develops, and produces oil and gas. The firm also engages in the petroleum refining, marketing, distribution, and trading of crude oil and petroleum products, and provision of administrative support services. The company was founded on May 19, 1969 and is headquartered in Singapore.

SP Corp. Ltd. is an investment holding company, which engages in the provision of management services. It operates through the Commodities Trading and, Corporate and Others business segments. The Commodities Trading segment trades and markets products including coal, rubber and metals used by manufacturers in the energy, tire, metal and automotive industries. The Corporate and Others segment includes general corporate activities and others. The company was founded on November 27, 1952, and is headquartered in Singapore.

Part of Keppel Ltd., Keppel Oil & Gas Services Pte Ltd. is an investment holding Singaporean company. The private company is based in Singapore, Singapore.

Part of Tuan Sing Holdings Ltd., Gul Technologies Singapore Pte Ltd. is a private company based in Singapore, Singapore. The Singaporean company was founded by Hin Lee Ng.