PT Indo Straits Tbk engages in the provision of integrated marine engineering services for the oil and gas industries. It operates through the following segments: Logistics Support Services, Integrated Marine Engineering Services, and Mining Contractor Services. The Logistics Support Services segment focuses on transhipment and sea transportation services. The Integrated Marine Engineering Services segment is involved in dredging, reclamation, lifting works, port and dock construction, and installation of pile and wave breaker. The Mining Contractor Services segment refers to the mining contractor services. The company was founded on January 21, 1985 and is headquartered in Jakarta, Indonesia.