Thiess is one of the largest, multi-national mining service providers in the world. They offer the widest range of in-house surface and underground mining capabilities across many geographical locations.

Thiess established their Mongolian business unit Thiess Mongolia LLC in 2007 and has quickly grown to become one of the leading contractors in Mongolia’s mining, construction, and energy sectors. Thiess has successfully managed and been part of key projects in Mongolia such as the Energy Resource LLC’s Ukhaa Khudag coal mine and Oyu Tolgoi underground decline projects.

In Mongolia, Thiess has a proven track record of delivering projects in remote and harsh environments at the highest quality and as per the requirements of their clients.