Winas Ltd. is an investment holding company, which engages in the provision of management services. It operates through the following segments: General Ship Agency & Marine Logistics and Property Holding. The General Ship Agency & Marine Logistics segment services ship owners, ship managers and oil rig operators in matters relating to their crew, vessels and oil rigs arriving at and departing from Singapore and also provide ship and rig owners with temporary and medium to long-term storage of goods and equipment; trans-shipment and other logistics support. The Property Holding segment monitor its property holding revenue. The company was founded by Yoon Kay Sim in 1965 and headquartered in Singapore.