PT Indo Straits Tbk engages in the provision of integrated marine engineering services for the oil and gas industries. The firm operates through the Logistics Support Services and Integrated Marine Engineering Services segments. It offers marine civil engineering and marine logistics support services including offshore lifting works, dredging and reclamation works, offshore supply services, jetty construction, marine piling works, transhipment, coal barging, and other marine related works. The company was founded on January 21, 1985 and is headquartered in Jakarta, Indonesia.