Oyu Tolgoi LLC / Оюу толгой ХХК
MiningUlaanbaatar, Mongolia1001-5000 Employees
Oyu Tolgoi LLC is Mongolia's largest copper and gold mining company, formed as a strategic partnership between the Government of Mongolia, Turquoise Hill Resources, and Rio Tinto. The operation is located in the South Gobi region and began shipping product to customers in July 2013. Rio Tinto manages the venture, bringing international expertise and technology to develop Mongolia’s mining sector and to position Oyu Tolgoi as one of the world’s most advanced mines. Safety is a core priority, with the guiding principle that work will not proceed if it cannot be done safely. The company operates within Mongolia's mining industry to supply copper and gold to its customers, supported by a government partnership and the involvement of Rio Tinto. Based in Ulaanbaatar, it maintains a sizable workforce and has been recognized for its contribution to social and economic development, including a No.1 ranking on Mongolia's TOP-100 Enterprises list for three consecutive years. In 2025, the Board appointed Munkhsukh Sukhbaatar as Chief Executive Officer following an international selection process.