Woei Harng Loo

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.

KS Distribution Pte Ltd. engages in oil and gas distribution. It offers oilfield equipment and supplies; tubular products, valves, fittings, and accessories; industrial hoses fittings; workshop and maintenance hand tools/equipment; HSE equipment; wire rope cutters and fittings accessories; general hardware; hydraulics components and instrumentations; valves and actuations; offshore piling hammers and accessories; offshore and marine cranes; flow control equipment, such as valves to anchor chains, wire ropes, hoses, hand tools, and deck machineries; pipes, tubes, and fittings; pumps; sealing solutions; marine equipment; and flanges, flow control products, plates, and industrial power products. The company was founded in May 2010 and is headquartered in Singapore.

ACH Distribution Pte Ltd. operates as an investment holding company. The company is headquartered in Singapore.

Part of AT & S Pte Ltd., Aqua-Terra Logistics Pte Ltd. is a Singaporean company that provides logistic services. The company is based in Singapore, Singapore.

Part of AT & S Pte Ltd., Aqua-Terra Oilfield Equipment & Services Pte Ltd. is a Singaporean company that wholesales industrial machinery and equipment. The company is based in Singapore, Singapore.

Aqua-Terra Supply Co. Ltd. operates as an investment holding company with interest in manufacturing and trading marine-related products. Its Other activities include trading spare parts and providing ship-handling services to vessels, testing and certification for related marine, offshore and construction products. The company was founded in October 1972 and is headquartered in Singapore.

Part of AT&S Pte Ltd., Indo Synergy Pte Ltd. is an investment holding vehicle of Sin Soon Huat Ltd. The company is based in Singapore, Singapore.

KS Flow Control Pte Ltd. operates an investment holding company with an interest in oil rig construction. The company was founded in 2006 and is headquartered in Singapore.

KS Marinehub Pte Ltd. operates in marine hardware and equipment supplies. The company is headquartered in Singapore.