Yam Pin Tan

Leighton Asia Ltd. provides engineering and construction services. It offers building design and construction services for commercial, residential, recreational, industrial, healthcare, government and educational sectors. The company was founded in 1975 and is headquartered in Hong Kong.

Singapore Food Industries Ltd. processes and supplies food products. The firm offers food logistics and catering supply services. Its business areas include food distribution, preparation and processing, and abattoir and hog auction. The company was founded in 1973 and is headquartered in Singapore.

PowerSeraya Ltd. provides electricity services. Its services include utility, energy market, physical oil trading, and energy retailing services. The firm also provides steam & cooling water, engaging in oil trading, and producing water through Reverse Osmosis Desalination, for the company's own use or for sale to our large industrial and commercial customer base. The company was founded in 1971 and is headquartered in Singapore City, Singapore.

Certis CISCO Security Pte. Ltd. provides security personnel services. It also offers operations-technology systems integration; intelligent analytics and surveillance; smart hub and smart city; IoT systems monitoring; network and security infrastructure; digitized security operations; integrated and enhanced response; converged visibility and insights; and physical security solutions. The company was founded in 1958 and is headquartered in Singapore.