Thiess Contractors is formally changed to Thiess Pty Ltd in recognition of the broader scope of services the group is now delivering.

PT Thiess Contractors secures the long-term operations contract with PT Arutmin for the Satui and Senakin Coal Mines in South Kalimantan. In 2003, the alliance is extended for the life of the mines.
With Hochtief and the United Group, Thiess undertakes the project to construct 12.5 km of underground passenger rail line, one of the largest publicly-funded infrastructure projects in NSW.

In its first joint venture with Leighton Asia, Thiess Services provides specialist dioxin remediation services for Hong Kong’s proposed Disney theme park.

The Thiess Sedgman Joint Venture is formed to complete the design and construction of the Coal Handling and Preparation Plant for the Hail Creek Expansion Project. The successful joint venture goes on to complete additional projects, including the Dawson Mine Expansion and Lake Lindsay Coal Project with Anglo Coal Australia.

The Thiess John Holland Joint Venture is appointed to design and construct the project. At the time of the award, this is the largest design and construction project in the company’s history, and Thiess’ first major road infrastructure BOOT (Build Operate Own Transfer) project.

Thiess designs and constructs Australia’s first synchrotron facility - a high-energy light source that is vital for scientific and industrial experimentation and development.

Thiess Process is awarded the first major construction package for the plant. The scope of work involves the installation of all site foundations and the backbone pipe bridging interconnecting the various process sections of the plant.

Thiess Process wins the design and construction of the Darwin Liquefied Natural Gas tank, the biggest above-ground LNG tank in the world and a landmark project for Australia.

The Thiess John Holland Joint Venture is awarded the contract to design and construct Melbourne’s newest motorway between Mitcham and Frankston. The contract is the largest ever awarded to the Leighton Group.

This ground-breaking program alliance is a partnership between Thiess, Queensland Rail, United Group, Connell Wagner and Maunsell. Initial projects include the duplication of Queensland’s North Coast rail line, the duplication of the Beerburrum to Landsborough section, extension of the Gold Coast line from Robina to Varsity Lakes, and construction of a third line between Corinda and Darra.

Thiess, in a joint venture with Black & Veatch and the Department of Infrastructure, undertakes the design, procurement, construction and commissioning of the facility. The plant forms part of the Western Corridor Recycled Water which will provide an alternative water supply for South East Queensland.

The Thiess Leed Joint Venture commences work on Adelaide’s busiest and most critical main arterial freight route, the South Road and ANZAC Highway.
Thiess ventures into India after the award of a contract to establish and operate the proposed Chitarpur Coal Mine.

The Thiess John Holland Joint Venture wins Australia’s largest transport infrastructure project to date. The work includes Brisbane’s Airport Link Toll Road (6.7 km long, including 5.25 km of tunnels), Northern Busway (Windsor to Kedron) and the Airport Roundabout Upgrade.

Thiess, as part of the Infrasure consortium, is awarded the Royal North Shore Hospital Redevelopment project. The project is the largest of its kind for New South Wales Department of Health. Thiess Services also picked up the 29-year maintenance contract for the facilities, demonstrating Thiess’ ability to deliver total project solutions.

Thiess Services Middle East signs a 15-year concession contract with the Centre for Waste Management Abu Dhabi for the management of construction and demolition debris for the Emirate of Abu Dhabi.