PT. Borneo Olah Sarana Sukses Tbk explores for, produces, and supplies coal in Indonesia. The company's mining assets are located in Muara Pahu, Kutai Barat, and East Kalimantan regions. It also engages in wholesale trading of solid, liquid, and gas fuels, as well as YBDI products; and the provision of sea port services. In addition, the company constructs office and residential buildings; and provides transportation for special goods and multimodal transportation services, as well as offers financing 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.