- Business
- PT Radiant Utama Interinsco Tbk (RUIS.JK) provides integrated technical support services to the oil and gas industry in Indonesia, encompassing inspection, certification, operations and maintenance, offshore support, and related engineering solutions. Founded in 1984 and headquartered in Jakarta at Radiant Group Building, Jl. Kapten Tendean No. 24, the company operates through segments including operating support services such as human resources provision, training, repair and maintenance, and integrated base management; inspection services covering non-destructive testing, oil country tubular goods inspection, statutory and voluntary inspections, carbon emissions measurement, and environmental impact assessments; offshore services featuring mobile offshore production unit operations, ship operations, logistics, shore base, and shallow marine oil exploitation; as well as other offerings like agency, trading, construction, and workforce solutions. It maintains a network of 10 branch and representative offices across Indonesia and oversees subsidiaries including PT Supraco Indonesia for offshore support and logistics, PT Supraco Lines for production facility and ship operations, and PT Supraco Daya Wisesa for international offshore production support.
Recent developments include the affirmation of business transformation toward digitalization, decarbonization, and asset integrity solutions showcased at the 49th IPA Convex in 2025, with emphasis on engineering assessments for energy facilities like tanks, pipes, geothermal, and power generation; ownership and operation of a Mobile Offshore Production Unit in the West Madura region; collaborations such as Supraco Indonesia's partnership with Swift Energy for solar PV and wind energy in the offshore sector in September 2024, a memorandum of understanding with CMPFA FT UI, and a geothermal seminar on energy transition opportunities; signing of a IDR 115 billion working capital loan facility with PT Bank UOB Indonesia in August 2025 to fund strategic projects at Sarulla Operations Limited and PT Star Energy Geothermal Indonesia; recognition as the best vendor in the medium business category by PT Pertamina Hulu Energi Subholding Upstream in October 2024; and an award from BAPETEN for nuclear safety and security consistency in November 2025.