PT. Borneo Olah Sarana Sukses Tbk explores for, produces, and supplies coal in Indonesia. The company's mining assets are in Muara Pahu, Kutai Barat, and East Kalimantan regions. It engages in mining and digging of coal and metal nuggets, crude oil, and natural gas; lignite mining; wholesale trading of solid, liquid, gas fuels, and YBDI products; wholesale of non-cars and motorcycles, fuel, polishing oil, and lubricants, as well as products related to metals, metal nuggets, construction materials, hardware, etc.; repair and maintenance of cars and motorcycles; and provision of sea port services, including water transportation for passengers, animals, or goods. The company also constructs office, residential buildings, shops, facilities, and other public infrastructure; engages in the architectural and engineering activities, and project management related to construction; and provides multimodal transportation and warehousing services, as well as offers financial and insurance services. It exports its products to Japan, South Korea, the United States, the Philippines, Thailand, Vietnam, Taiwan, India, and Bangladesh. The company was formerly known as PT. Megah Pratama Resources. PT. Borneo Olah Sarana Sukses Tbk was founded in 2011 and is headquartered in Jakarta Barat, Indonesia.