PT Indo Straits Tbk, together with its subsidiary, provides integrated marine engineering and logistics support services primarily in Indonesia. It operates through Logistics Support Services, Integrated Marine Engineering Services, and Mining Contractor Services segments. The company's marine civil engineering services include offshore lifting, dredging, and reclamation; offshore supply services to oil and gas coal mining industries; and construction of jetties, breakwaters, marinas, and similar structures. It also engages in underwater excavation and pipeline installation for navigational purposes; construction work of ports, buildings, oil and gas processing, and storage; trading including import and export; and coal barging, as well as operating fleets. In addition, it provides technical and corporate services; project management and consulting services; and logistic support services, including transportation support and transshipment for coal mining companies and mining contractor services. The company was founded in 1984 and is headquartered in Jakarta Utara, Indonesia. PT Indo Straits Tbk is a subsidiary of Straits Corporation Pte. Ltd.