Thiess is the world’s largest mining services provider. Our team offers the widest range of in-house surface and underground mining capabilities across Australia, North America, South America, Indonesia, India, and Mongolia. Our expertise spans most of the world’s commodities including metallurgical and thermal coal, copper, diamonds, gold, iron ore, lignite, nickel and oil sands.
From fully-resourced, end-to-end solutions, to targeted services, to supporting our clients’ in-house teams, our focus is on flexibility. We understand the lifecycle of a mine and how to manage market changes and evolving requirements, tailoring our services to optimise the mining value chain unique to each mine. In Mongolia, Thiess (operating as Thiess Mongolia LLC) has successfully managed Energy Resources LLC’s Ukhaa Khudag coal mine since 2008.
In 2016, Thiess began the Oyu Tolgoi expansion project and will deliver Mongolia’s first underground decline project at the Rio Tinto-operated site. Thiess has been recognized by the Government of Mongolia, Mongolian Chamber of Commerce and Trade and local government authorities for their contribution to the state budget, significant opportunities created, professional development programs for graduates and commitment to building and expanding local knowledge.