Thiess first commenced operations in Indonesia in 1972 as a subsidiary of Thiess Bros Pty Ltd. In 1984 Thiess Indonesia operations were acquired by C.S.R. in a corporate takeover.

In November 1988, PT. Thiess Contractors Indonesia was re-established and incorporated. It was awarded its first major mining contract in March 1989 by BHP at Senakin Mine in Kalimantan.

Through the 1990s, Thiess Indonesia was very successful in securing a significant share of the infrastructure works associated with the development of major mines by international mining companies.

In addition, Thiess Indonesia has been successful in servicing a number of long-term mining contracts, which are still in progress today. In more recent years, Thiess Indonesia has diversified into Telecommunications projects and the Oil and Gas sector.

The strength of Thiess Indonesia project experience has enabled the group to develop the capability to provide total project solutions through E.P.C contracts and other project delivery methods including alliances. In addition, Thiess Indonesia can draw specialist resources and support from its parent company whenever required.