PT Petrosea Tbk provides engineering, construction, mining, and other services to the oil and gas, infrastructure, industrial and manufacturing, and utility sectors in Indonesia and internationally. It operates through three segments: Mining, Services, and Engineering and Construction. The Mining segment provides mining contract services, including overburden stripping, drilling, blasting, lifting, hauling, mine, and mine partnering services. The Services segment offers supply base facilities and port services. The Engineering and Construction segment provides a range of engineering, procurement, and construction services, including technical due diligence, feasibility studies, engineering design, project management, procurement and logistics, plant and equipment hire, and operation and commissioning services. This segment also supplies skilled trade personnel. The company was incorporated in 1972 and is headquartered in South Tangerang, Indonesia. PT Petrosea Tbk is a subsidiary of PT Indika Energy Tbk.