PT Carsurin Tbk specializes in independent surveying and superintending services. The firm offers coal and mineral, geology, marine, marine offshore, laboratory, oil and gas, inspection and certification, petroleu, agriculture, legal advisory, and training services. It operates through the following segments: Agriculture and Marine, Certification and Sustainability, and Natural Resources. The company was founded by Hein Christopher Tiwan in 1968 and is headquartered in Jakarta, Indonesia.