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 offers marine civil engineering services, including offshore lifting, dredging, and reclamation; offshore supply services to oil and gas coal mining industries; and construction of jetties, breakwaters, marinas, and similar structures, as well as marine piling works and other marine related works. It also 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 operates as a subsidiary of Straits Corporation Pte. Ltd.