Chee Liew Yao

Koon Holdings Ltd. is an investment company, which engages in the provision of infrastructure and civil engineering services. It operates through the following segments: Construction, Precast, and Property. The Construction segment focuses on the construction projects for civil engineering and infrastructure construction works including land reclamation, roads and bridges, shore protection, terminal, and port projects. The Precast segment includes manufacturing and supplying reinforced concrete piles and precast components. The Property segment is involved in property development activities. The company was founded in 1975 and is headquartered in Singapore.

Abterra Ltd. is an investment holding company, which engages in the distribution and supply of coal, coke, and iron ore in regional and international markets. It operates through the Iron Ore Trading, and Coke and Coal Trading segments. The company was founded on June 2, 1999 and is headquartered in Singapore.