PT Petrosea Tbk is an Indonesia-based multi-disciplinary mining, engineering, procurement and construction, and oil and gas services company. Its activities include construction, mining and quarrying, processing industry, trading, transportation and warehousing, information and communication, professional, scientific and technical activities, leasing and leasing activities without option rights, employment, and education. Its segments include Mining, Engineering and Construction, and Services. The Mining segment covers comprehensive mining contracts including overburden stripping, drilling, blasting, lifting, hauling, mine services, mine partnering and sales of coal. The Engineering and Construction segment provides a comprehensive range of multi-disciplinary engineering, procurement and construction services to oil and gas, infrastructure, industrial and manufacturing and utilities sectors. The Services segment covers supply base facilities and port services.