PT Samudera Indonesia Tbk, together with its subsidiaries, provides shipping, ports, logistics, and services in Indonesia, Southeast Asia, the Middle East, India, and internationally. The company operates through Shipping and agency, Logistics and ports, and Others segments. It is involved in shipping services that includes liner and feeder services; fleet of vessels, including bulk carriers, LNG, and gas and chemical tankers; offshore support, salvage, and underwater works; bunker supply; and project-related shipping services to the oil and gas industry. The company also engages in crew management, ship management, shipping agency services, and docking space, ship repair, new construction, and fabrication of marine and industrial components. The company was founded in 1964 and is headquartered in Jakarta, Indonesia. PT Samudera Indonesia Tbk operates as a subsidiary of PT Samudera Indonesia Tangguh.