Tiong Siew Ong

Ryobi Kiso Holdings Ltd. engages in the provision of ground engineering solutions. It operates through the following segments: Bored Piling, Eco-Friendly Piling, Geoservices and Others, and Property Investment. The Bored Piling segment involved in piling work to carry heavy vertical loads from structures and horizontal loads in earth retaining structures for deep excavation. The Eco-Friendly Piling, Geoservices and Others segment comprises of eco-friendly piling works, environmental protection engineering, micro-piling, ground anchoring, slope protection and stabilization works, strutting systems, sheet pile and civil engineering works. The Property Investment segment invests, trades, and develops residential, commercial, and industrial properties. The company was founded on February 28, 2008 and was headquartered in Singapore.

Part of Ryobi Kiso Holdings Ltd., Ryobi Kiso (S) Pte Ltd. is a Singaporean company that provides construction site preparation services. The company is based in Singapore, Singapore. The company was founded by Tiong Siew Ong.

Tanglin Capital Pte Ltd. is a private company based in Singapore, Singapore.

Part of SGS SA, Ryobi Geotechnique International Pte Ltd. is a Singaporean company that provides geo-technical engineering solutions. The company is based in Singapore, Singapore. The CEO of the company is Joseph-Hou Wang. Ryobi Geotechnique International was acquired by SGS SA on December 21, 2020.

Part of Ryobi Kiso Holdings Ltd., Ryobi Ground Engineering Pte. The company is based in Singapore, Singapore. Ltd. is a Singaporean company that provides ground engineering solutions.