PT Radiant Utama Interinsco Tbk, together with its subsidiaries, provides technical support services primarily in Indonesia. It operates through Inspection Services, Operating Support Services, Offshore services, and Other segments. The company offers inspection and certification services, including non-destructive testing, oil country tubular goods, blasting and coating, statutory and voluntary inspection, and environmental study services. It also provides technical support services, such as operation, maintenance, and support services for oil and gas production facilities and power plant; maintenance and management services for logistic, warehouse, camp, and transportation services; manpower supply services; and training services. In addition, it provides agency and trading services comprising emergency response system and offshore platforms consultancy services; marine and construction services comprising vessel charter and dredging operation services; field emission measurements and pipeline integrity surveys; and offshore production facility services. Further, the company offers equipment exploration and local shipping services. PT Radiant Utama Interinsco Tbk was incorporated in 1984 and is headquartered in Jakarta, Indonesia.