QLD, Australia

Thiess Bros and Horn & Thiess

The firm of Thiess Bros is formally registered in Toowoomba by Bert and Stan Thiess, and the firm of Horn & Thiess is formally registered in Toowoomba by Henry “Stumpy” Horn and Les Thiess.

QLD, Australia

Kilkivan road works

Thiess Bros successfully tender for the Kilkivan roadworks job, removing 50,000 cubic yards of earth.

QLD, Australia

Thiess toys

After being under-powered for the tough Kilkivan job, the brothers invest in a Caterpillar D4 tractor for their next job at Tuckekoi near Gympie. A Caterpillar D6 soon followed, then a Caterpillar D8 – the best (and biggest) equipment that anyone could lay their hands on at the time.

QLD, Australia

Luna Park and Cloudland ballroom

In 1939, Horn & Thiess were commissioned to complete the major excavation work required for the new Luna Park entertainment venue at Bowen Hills, the central feature of which was ‘Cloudland’ - the ballroom that became a Brisbane icon.

QLD, Australia

Heifer Creek cutting

Thiess Bros completes the 104-foot-deep Heifer Creek Road Cutting between Gatton and Warwick – the deepest in Australia at the time. Demonstrating their ingenuity, they deliver project cost and time savings with a cutting, as an alternative to the original tender requirement for a tunnel. A Brisbane newspaper dubs them “the men who eat rocks and stones”.

NSW, Australia

First job in NSW

Thiess Bros win their first job in NSW - sinking the Young Australia tank for New Occidental Gold Mine. This project marks Thiess’ first foray away from roadworks and building site preparation.

National, Australia

WW2 contracts

Thiess Bros face the prospect of having their equipment requisitioned for the war effort. Instead, Sir Les convinces the Allied Works Council and US Army to contract Thiess Bros to deliver major projects needed for the war around Australia, including roads, military camps and emergency airstrips.

QLD & NSW, Australia

Coal mining

Australia is hit by a coal shortage during WWII, which presents an opportunity for Thiess Bros to diversify its operations. They successfully tender for two contracts at Blair Athol and Muswellbrook Coal Mines, marking the beginning of Thiess’ long association with mining.

Global

Thiess Bros. Pty Ltd

Thiess Bros. Pty Ltd is incorporated.

Global

Taking to the air

Now completing jobs around Australia, Thiess Bros purchase their first plane, an Arvo Anson, to enable their frequent trips.

QLD, Australia

Peak Downs scheme

Thiess Bros wins a ploughing scheme contract as part of a combined effort between the British and Queensland Governments to help fill Great Britain’s post-war grain and meat needs.

VIC, Australia

First rail contract

Thiess Bros undertakes the earthworks for the duplication of the Longwarry – Yarragon Line. This is the company’s first rail project and sets the foundations for our future in rail.

Global

Milne Bay project

Thiess Bros salvages scrap metal from the Territory of Papua New Guinea, shipping US Army trucks, cranes and machinery to Australia. This equipment gives them an advantage over the competition and becomes a major factor in securing their future involvement in coal mining.

NSW & VIC, Australia

Constructing dams

Thiess Bros builds the Bostock Dam in Victoria and Gara River Dam in New South Wales. These mark the beginning of the company’s substantial involvement in dam constructions throughout Australasia and the near Pacific.

QLD, Australia

Gold Coast canals

Thiess Bros undertakes the reclamation of swamp land at Currumbin Creek and Palm Beach, building the first canal development in the area. They later go on to build a large portion of the waterways in the Gold Coast area.

QLD, Australia

Mt Isa operations

Thiess Bros establish Mt Isa area operations with the building of the Corella Dam for Mount Isa Mines. Over the next two years, they construct dams, water mains and roads in the region.

NSW, Australia

Snowy Mountains Hydro Electric Scheme

Thiess is awarded the Tooma Dam and Tooma-Tumut Tunnel contracts on the Snowy scheme, becoming the first Australian company to be awarded a major contract on this landmark, nation-building project. Thiess would be on this project for 25 years, until 1974.

Global

Going public

The initial public offering of 450,000 shares in Thiess Holdings sells on the Sydney and Brisbane stock exchanges.

NSW, Australia

Tunnelling records

In the winter of 1959, Thiess sets a world tunnelling record on the Snowy scheme’s Tooma-Tumut Tunnel, excavating 526 feet in a six-day week.

National, Australia

Thiess brings Toyota to Australia

Following the success of the Toyota LandCruiser on the Snowy scheme, Sir Leslie Thiess secured the Australian franchise. This marked the start of a long partnership with the Japanese car manufacturer through Thiess Toyota Pty Ltd.

QLD, NT & WA, Australia

Beef roads

Thiess commences work on the Beef Roads Program to haul cattle through the remote reaches of Queensland, the Northern Territory and Western Australia. At the time, the project is the biggest single road-making scheme in Australia’s history.

International, New Zealand

NZ hydro scheme

Thiess is awarded our first civil engineering contract outside Australia - the building of a tunnel and shaft for the hydro electric scheme on Lake Manapouri in New Zealand.

International; Japan, Asia

Kianga & Moura coal

A joint venture company, Thiess Peabody Mitsui Coal Pty Ltd is formed to operate the Kianga and Moura mines and export Queensland’s first coking coal to Japan.

WA, Australia

Rail expansion

Thiess expands its rail capabilities taking on larger rail jobs and completing an increased scope of work, from earthworks through to the laying of the track, including the Kwinana to Kalgoorlie line in Western Australia.

WA, Australia

Pastoral division

Thiess diversifies its activities and acquires two cattle station properties - approximately 1,000,000 acres in the Kimberleys, Western Australia.

NSW, Australia

Talbingo Dam

The final and biggest contract on the Snowy Mountains Scheme – the Talbingo Dam and Tumut 3 Power Station commences.

International; Singapore, Asia

SE Asian operations commence

Operations commence in South East Asia through a partnership arrangement with Petrosea. One of Thiess Petrosea’s first projects is the Sembawang dry dock in Singapore, which today remains one of the largest dry docks in the world.

VIC, Australia

Dartmouth Dam

Thiess constructs the Dartmouth Dam on Victoria’s Mitta Mitta River. This was Australia’s largest dam at the time and included a diversion tunnel, intake shaft, valve chamber and access tunnel.

NSW, Australia

Snowy completed

Thiess completes the Talbingo Dam and Tumut 3 Power Station ahead of schedule, bringing the 25-year construction of the Snowy Mountains Hydro Electric Scheme to an end.

QLD, Australia

Wivenhoe Dam

Thiess commences the first stage of three on Wivenhoe Dam outside of Brisbane. The final stage is completed eight years later in 1984.

VIC, Australia

Sugarloaf Dam

Thiess constructs the main dam embankment as part of the Sugarloaf Reservoir Project, a water supply scheme for Melbourne.

VIC, Australia

Loy Yang power station

Thiess enters a joint venture partnership with German company Hochtief to construct the Loy Yang power station chimneys.

Global

CSR takeover

CSR Ltd proposes a merger with Thiess Holdings. Although fought bitterly by Sir Les, the merger proposal is accepted by a majority of shareholders and CSR proceeds with compulsory acquisition of non-accepting shareholders.

Global

CSR Construction

Sir Les, through his family business, Drayton Investments, joins a consortium with Hochtief and Westfield to buy CSR's construction division, essentially the former Thiess construction business.

Global

Leighton Holdings buys Thiess

Hochtief buys out Westfield and acquires Thiess Contractors Pty Ltd through Leighton Holdings Ltd. The executive management briefly considered absorbing the Thiess name into Leighton Contractors, but recognised that the name resonated strongly with our blue-blooded employees and the market.

QLD, Australia

Hayman Island resort development

Thiess Contractors develops a long-term building strategy and constructs a series of resorts. The company is recognised by the industry as a serious builder.

QLD, Australia

First waste management contract

Thiess Contractors successfully secures a seven-year contract with the Brisbane City Council for receiving, spreading, compacting and filling eight landfill refuse disposal areas. It is one of Thiess' first jobs in environmental services.

NT, Australia

First remediation contract

The clean-up of the Northern Territory’s Rum Jungle Uranium Mine becomes Thiess Contractors’ first remediation project.

NT, Australia

RAAF Base Tindal

Thiess Contractors successfully completes the initial Stage 1 development of the RAAF Base Tindal, located in the Northern Territory and home to the 75th Squadron. Ten years later, Thiess is awarded a contract to construct more than 3km of new aircraft roadways.

Global

Thiess process engineering

Thiess acquires the Leighton Major Projects Division, commencing its Process Engineering business.

VIC, Australia

Correctional facilities

Thiess Contractors’ construction of the Barwon Prison in Victoria, to United Nations' minimum standards, signals an expansion into correctional facilities.

Global

Thiess Environmental Services Pty Ltd

Thiess identifies environmental services as a core business activity and establishes Thiess Environmental Services as a subsidiary.

QLD & NSW, Australia

Wollongong Waste Collection contract

The Wollongong Waste Collection contract was one of the largest contracts of its type in Australia. The seven year contract marks Thiess’ involvement in all aspect of waste collection, handling, transfer and disposal.

QLD & NSW, Australia

World Expo '88

Thiess Contractors completes the construction of the iconic tensions membrane structures, as well as many of the pavilions for the World Expo ’88 in Brisbane. Work is also done to reclaim parts of the South Bank Parklands site from the Brisbane River.

International; Indonesia, Asia

PT Thiess Contractors Indonesia

Thiess Contractors is established in Indonesia. In a joint venture with PT Mintekindo Utama Indo, Thiess wins mining contracts in Kalimantan and spearheads all Leighton Group activities in Indonesia.

National, Australia

Sydney Harbour Tunnel

Thiess Contractors demonstrate their sophistication as an engineering construction group by delivering Australia’s first immersed tube road tunnel.

WA, Australia

Granny Smith Gold Mine

Thiess Process Engineering completes several mining projects, including the installation of a grinding mill at the Granny Smith Gold Mine.

VIC, Australia

Western Ring Road

Thiess Contractors delivers roads, bridges and major infrastructure including the Western Ring Road in Victoria. The three-lane dual-carriage freeway was the first major freeway in Australia to use recycled concrete for base pavement construction.

NSW, Australia

Little Manly Point

Thiess Contractors is awarded the Little Manly Point gasworks site remediation contract. At the completion of this project, the land was developed into safe, usable public space.

VIC, Australia

RTL established

RTL began trading as a joint venture between Roche Mining, Thiess and Linfox with contracts to provide heavy mobile plant services to the major electricity generators in the Latrobe Valley, Victoria, Australia.

NSW, Australia

BHP Port Kembla

Thiess Services is awarded the contract for the design, construction, operations and maintenance of BHP’s Port Kembla Steelworks Wastewater Recycling Facility in New South Wales.

NSW, Australia

Junee Correctional Centre

The Australasian Correctional Services consortium is established by Thiess Contractors and Australasian Correctional Management to design, construct and manage the Junee Correctional Centre – the first privately designed, built and operated prison in Australia.

WA, Australia

Dawesville channel

With this contract in Western Australia, Thiess Contractors starts to move away from traditional contracting to take on the role of developer, project initiator and financier/facilitator.

International; Indonesia, Asia

Balikpapan Training and Development Centre

Thiess Contractors Indonesia establishes the Balikpapan Training and Development Centre in Indonesia’s East Kalimantan to overcome a shortage of skilled local labour. Today the facility is one of the largest in the country and personnel receive Australian TAFE qualifications.

NT, Australia

Cullen Bay marina

Thiess Contractors provides management services for civil works at Cullen Bay, a prestigious marina and residential development in the Northern Territory.

VIC, Australia

Melbourne water board maintenance services

Thiess Services commences long-term relationships with Melbourne Water and South East Water. Both contracts are extended in 1996, including the addition of a new fleet fitted with the latest in GPS technology and real-time data reporting.

NSW, Australia

Prince of Wales Hospital

Signalling a strong move into the healthcare market, this contract included construction of the six-storey Acute Services building in Sydney, with two floors of basement car parking and four floors of Acute Services.

NSW, Australia

First mining partnership agreement

Thiess signs the first partnering agreement in the industry for the Mt Owen Coal Mine in New South Wales, not far from Muswellbrook – our first coal contract 50 years ago. The contract is for the design, construction and commissioning of the process plant and all mine infrastructure. The subsequent contract to operate the mine in the Hunter Valley, New South Wales ended in 2022, after 29 years.

QLD, Australia

Burton Coal Mine

Thiess provides a fully integrated total service solution including the design, construction and operation of the Burton Coal Mine in Queensland’s Bowen Basin.

QLD, Australia

Newlands coal mine

Thiess becomes the first contractor to undertake underground development work for the mine owner.

VIC, Australia

Thiess acquires hydrographic business

Thiess acquires Hydrographic Services Group from the Rural Water Corporation of Victoria .

SA, Australia

Maralinga rehabilitation project

Thiess Environmental Services is contracted to carry out rehabilitation of the Maralinga Nuclear Test site in South Australia. The project, involving excavation and burial of radioactive contaminated material, is of a size and complexity never before attempted in Australia. This project goes on to win two National Case Earth Awards for environmental best practice, with United Energy in Victoria.

QLD, Australia

Collinsville coal mine

Thiess is the first contractor to operate an established mine on behalf of the mine owner. The open-cut mine is located in Queensland’s Bowen Basin.

SA, Australia

Olympic Dam Expansion Project

Thiess Contractors is appointed principal contractor on the underground expansion of the Olympic Dam mine, which contains one of the world’s largest ore bodies producing copper, uranium, gold and silver. The expansion project is reported to be one of the largest and most complex projects in Australia.

NSW, Australia

Sydney Olympics site remediation and Homebush Bay Exhibition Hall

Thiess Environmental Services is the largest remediation contractor on the Sydney 2000 Olympic Games site at Homebush Bay. Thiess Contractors also builds the Homebush Bay Exhibition Hall as part of the Sydney Olympics preparation - the largest dome of its type in the Southern Hemisphere.

International; Indonesia, Asia

Central Java Telecom

Thiess Environmental Services commences their first telecommunications project in Indonesia.

NSW, Australia

Sydney Olympics infrastructure development

Thiess Contractors continues their involvement in the Sydney 2000 Olympics preparation with construction of roads, services and landscaping at the Homebush Bay site.

International; Indonesia, Asia

Balambano Dam

Thiess Contractors is awarded the construction of Balamabano Dam in Indonesia, the largest roller-compacted concrete dam in the Southern Hemisphere.

International, New Zealand

Matahina Dam strengthening

Thiess reconstructs and strengthens the existing Matahina Dam in New Zealand to meet earthquake standards. Works comprise bulk earth works and construction of a leakage resistant zone.

NSW, Australia

Ansett terminal redevelopment - Sydney Airport

Thiess Contractors commences work on the Ansett Domestic Terminal Upgrade, necessary to cater for the anticipated increase in passengers for the Sydney 2000 Olympics.

National, Australia

Silcar communications

Thiess acquires a 50% stake in Silcar, in a joint venture with leading global technology company, Siemens. Silcar is responsible for Telstra’s national telepower contract for the design, construction and maintenance of power supply to 36,000 installations.

QLD, Australia

Corporate office moves

Thiess relocates our corporate office from Archerfield to the newly constructed building at 179 Grey Street, South Bank in Brisbane – today known as Thiess Centre, our global head office.

VIC, Australia

Multinet Gas

The Multinet Gas contract win, with United Energy in Victoria, opens up a new field of utilities infrastructure.

Global

Thiess Pty Ltd

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

International; Indonesia, Asia

Satui and Senakin Mines, Indonesia

Thiess 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.

NSW & QLD, Australia

Telecommunications

A Telstra contract to lay fibre optic cable throughout South East Queensland is won. The Siemens Thiess Communications Joint Venture (STCJV) is formed and then wins Telstra contracts in New South Wales and Queensland.

International, New Zealand

New Zealand remediation contracts

Thiess' remediation team wins their first overseas contract with the Fruitgrowers Chemical Company site remediation in New Zealand.

QLD, Australia

Brisbane hydrographics contract

Thiess' hydrographics team secures a Brisbane River contract.

NSW, Australia

Epping to Chatswood rail line

With Hochtief and the United Group, Thiess Contractors undertakes the project to construct 12.5 km of underground passenger rail line, one of the largest publicly-funded infrastructure projects in NSW.

International; China, Asia

Penny's Bay remediation

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

QLD, Australia

Thiess Sedgman joint venture

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.

NSW, Australia

Lane Cove tunnel project

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 Contractors’ first major road infrastructure BOOT (Build Operate Own Transfer) project.

WA, Australia

Hismelt iron smelter, Kwinana

Thiess Contractors 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.

National, Australia

Australian Synchrotron building

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

NT, Australia

Darwin LNG tank

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.

VIC, Australia

Eastlink

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.

VIC, Australia

Regional Fast Rail Project

In a joint venture with United Group, Thiess Contractors is awarded the contract to design and construct the Regional Fast Rail Project, the largest upgrade of regional rail in Victoria’s transport history

National, Australia

Siemens Thiess Communications Joint Venture

The STCJV wins Telstra contracts in five states.

QLD, Australia

Electrical contracts for Queensland

Thiess Contractors wins electrical contracts with Ergon Energy in central and far northern Queensland.

National, Australia

Silcar and STCJV

STCJV and Silcar form Silcar Communications.

SA, Australia

Prominent Hill contract

Thiess wins the $800 million Prominent Hill mining contract in South Australia.

NSW, Australia

Largest remediation contract to date

Thiess Services commences their largest remediation contract to date - Rhodes Remediation - cleaning up contaminated soil on two sites in Sydney’s inner west.

QLD, Australia

Trackstar Alliance

This ground-breaking program alliance is a partnership between Thiess Contractors, 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.

QLD, Australia

Bundamba advanced water treatment plant

Thiess Contractors, 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.

SA, Australia

South Road upgrade / ANZAC Highway

The Thiess Leed Joint Venture commences work on Adelaide’s busiest and most critical main arterial freight route, the South Road and ANZAC Highway.

VIC, Australia

Directional drilling

Drillaway, South West Energy and Champ Constructions are acquired – the latter establishing our directional drilling capability in Victoria.

International, New Zealand

Metro Water contract, New Zealand

Thiess Services is part of an Alliance that wins the contract to operate and maintain the Metro Water utility network in New Zealand.

NSW, Australia

Lane Cove Tunnel opened early

This project involved the construction of a twin 3.6-kilometre tunnel plus 3.5 kilometres of bridge and road upgrades to link the M2 Motorway with the Gore Hill Freeway in Sydney. The tunnel opened to traffic on 25 March, 2007 - seven weeks ahead of the contract delivery date.

NSW, Australia

Royal North Shore Hospital

Thiess Contractors, as part of the Infrashore 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.

International; India, Asia

Thiess India

Thiess ventures into India after the award of a contract to establish and operate the proposed Chitarpur Coal Mine.

QLD, Australia

Airport Link

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.

National, Australia

Regional optic fibre contract

Thiess' telecommunications team wins a national Telstra Regional Optic Fibre Network contract.

International; Mongolia, Asia

Ukhaa Khudag (UHG) Coal Mine, Mongolia

Leighton Asia won the contract to develop the UHG Coal Mine in 2008. Due to the remote location 600km south of Mongolia’s capital Ulaanbaatar, the haul truck fleet had to be assembled at a border town in China and driven for three and a half days across the desert to reach the mine site. This project, along with all other Leighton Holding mining projects, was transferred to Thiess under the Leighton Holding review in 2014.

International; United Arab Emirates, Middle East

Thiess Services Middle East

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.

International; Indonesia, Asia

Arutmin mine extension

Thiess Contractors Indonesia is awarded a US$1.52 billion contract extension by PT Arutmin Indonesia for the operation of the Senakin and Satui Coal Mines in South Kalimantan.

NSW, Australia

M80 Ring Road

Thiess Contractors and design partners Parsons Brinkerhoff and Hyder Consulting are awarded a significant alliance contract for the Tulla Sydney section of the $2.25 billion M80 Ring Road Upgrade.

VIC, Australia

Victorian Desalination Project

Thiess Degrémont to design and construct the largest reverse osmosis desalination plant in the Southern hemisphere. Thiess also holds an O&M contract for a 30 year project term.

NSW, Australia

Hunter River Remediation

BHP Billiton awards the initial stages of the Hunter River Remediation Project to Thiess - the largest remediation project of its kind ever to be undertaken in Australia, and one of the most regulated.

WA, Australia

Barrow Island village

In a joint venture, Thiess Contractors secures a $500 million contract to design and construct a construction village on Barrow Island in Western Australia.

NSW, Australia

Hunter Expressway

Thiess Contractors, in alliance with Parsons Brinckerhoff and Hyder Consulting, is awarded the eastern section of the $1.7 billion Hunter Expressway Project in NSW.

International; India, Asia

Pakri Barwadih Coal Mine

Thiess Minecs awarded a 27 year contract to develop and operate the greenfield Pakri Barwadih coal mine in the state of Jharkhand in India.

Global

Tribute to Bert Thiess CBE AO

Bert Thiess CBE AO, one of the founding fathers of the company, passes away in December 2010. Bert Thiess was the sole remaining brother of the five legendary and visionary Thiess Brothers who founded the company in 1934.

VIC, Australia

New hydrographics contracts

Thiess' hydrographics team wins two new contracts with the Department of Sustainability and Environment, now holding more than 40,000 years’ worth of resource monitoring data.

QLD & NSW, Australia

Two contacts on Australia's East Coast

Thiess is awarded a six-year $1.3 billion contract to extend mining operations at Burton Coal Mine in Queensland. A $222 million contract extension is awarded to continue mining operations at the Wilpinjong Coal Mine in New South Wales. The agreement with mine owner Peabody Energy Australia (Wilpinjong Coal Pty Ltd) extends the current contract by 15 months until 31 March, 2013.

National, Australia

Award-winning Thiess Indigenous Women in Hard Hats program

The groundbreaking Thiess Indigenous Women in Hard Hats mining industry recruitment program is recognised by the Queensland Resources Council, winning the "Best Company Initiative" award.

QLD, Australia

Thiess secures historical Lake Vermont

Thiess continues at Lake Vermont Coal Mine after securing our biggest ever contract - a $2.3 billion extension to mining operations. The new agreement significantly expands current operations and ramps up production from 4 to 8 million tonnes a year.

SA, Australia

Prominent Hill extended

OZ Minerals awards Thiess a $1 billion, six-year mining contract to extend mining operations at OZ Mineral's Prominent Hill Copper and Gold mine in South Australia.

International; Indonesia, Asia

Two new contracts awarded to Indonesia

Thiess wins an 18-month construction contract with PT Lahai Coal (IndoMet Coal), a joint venture between BHP Billiton and Adaro Energy - the first contract to develop the large IndoMet Coal-owned coking coal deposits. Thiess is also awarded a US$393 million coking coal mining contract with PT Tamtama Perkasa, a member of the Barito Pacific Group.

WA, Australia

First autonomy contract

Thiess provides autonomous haulage support services to Fortescue at their Solomon Mine in Western Australia.

QLD, Australia

Central Queensland earthworks contract

Thiess was awarded a $180 million civil earthworks contract with BHP Billiton Mitsubishi Alliance (BMA) for the development of the Caval Ridge Mine project in central Queensland.

WA, Australia

Wheatstone LNG tanks project

A joint venture between Thiess and EV LNG Australia (EVT) won a $500 million contract to build LNG storage and condensate tanks for the Chevron-operated Wheatstone project, a liquefied natural gas (LNG) and domestic gas project in Western Australia.

VIC, Australia

Regional Rail Link Project

Thiess Contractors was awarded a contract to design and construct a key section of the first major new rail line for metropolitan Melbourne in 80 years.

TAS, Australia

Bridge construction innovation on Brighton Bypass Project

Thiess Contractors used an innovative method of bridge construction to place the first of the 220-tonne steel box girders required for the Jordan River Bridge. At 165 metres the bridge includes a 70-metre main span - making it the longest single bridge span ever launched in Australia. The launch method was adopted after ancient buried artefacts were discovered in late 2008 and the Jordan River Levee was identified as a significant Aboriginal heritage site.

National, Australia

Reconciliation Action Plan (RAP)

Thiess has always been committed to promoting diversity and in 2013, we launched our first Reconciliation Action Plan (RAP) as part of our commitment to Indigenous engagement and participation.

NSW, Australia

Major construction for North West Rail Link

Thiess Contractors, John Holland and Dragados Joint Venture secured the $1.15 billion Tunnel and Station Civil Works contract on the North West Rail Link Project in New South Wales.

QLD, Australia

Moreton Bay Rail Link

Thiess Contractors is awarded the $650 million contract to deliver the long awaited Moreton Bay Rail Link, which will service a major suburban growth corridor in South East Queensland.

National, Australia

Thiess takes ownership of Silcar

Thiess takes 100% ownership of telecommunications, energy and infrastructure services company, Silcar Pty Ltd.

Global

Thiess and RWE deliver world first

Thiess and one of Europe’s leading power generators and lignite miners RWE Generation SE form an exclusive partnership to deliver significant savings for high-volume continuous mining applications across the globe. Thiess and RWE form a global joint venture, becoming the first international JV to provide a full suite of in-house design, engineering, operation and maintenance services for open-pit Continuous Mining Equipment, including bucket wheel excavator systems and in-pit crushing and conveying systems.

QLD, Australia

Significant contract extensions at coal mines

Thiess secures three significant contract extensions at mine sites in Queensland and New South Wales. Jellinbah Resources awards Thiess a $550 million contract expansion at the Lake Vermont Coal Mine, near Dysart in Queensland. WesFarmers Resources awards Thiess a four-year contract worth $570 million at the Curragh North Coal Mine near Blackwater in Queensland. Glencore extends Thiess’ contract at the Mt Owen Mine in New South Wales.

NSW & QLD, Australia

Landmark QCLNG contract

Thiess Contractors is awarded a landmark $1.8 billion contract by coal seam gas producer QGC for the construction of gas compression facilities and associated works for the QCLNG project in Queensland's Surat Basin. The new contract significantly expanded Thiess’ role in the project, which now includes construction of all 18 field compressor stations (FCSs) and four central processing plants (CPPs). The new contract replaces and expands the $325 million agreement signed in February 2012 for construction of six FCSs and one CPP.

NSW, Australia

Major Sydney Water contract

Thiess is awarded a five-year Sydney Water operation and facilities maintenance services contract valued at $175 million. Thiess’ contract with Sydney Water covers 13,000 square kilometres of greater Sydney and Wollongong and provides an essential service to more than 1.8 million homes and more than 4.5 million people. In addition to the massive mechanical and electrical maintenance task, Thiess is also managing a vast network of facilities including 2,500 buildings.

NT, Australia

Work begins at NT iron ore mine

Thiess returns to iron ore mining in the Northern Territory on Wester Desert Resources’ Roper Bar Project – a remote greenfield iron ore mine 600 kilometres south-east of Darwin.

Global

More than 80 dams in 80 years

In 2014, Thiess was awarded our 84th dam project by Melbourne Water. The project will see upgrades to the Greenvale Reservoir, an important water supply source for the north western and western suburbs of Melbourne.

Global

World's largest contract miner

Following a strategic review by our then 100% shareholder CIMIC to streamline operations – all mining projects across Thiess, Leighton Contractors, Leighton Asia and Leighton Africa come together under the Thiess banner. This new business model positions Thiess as the world’s largest contract miner, spanning 24 mine sites across six countries.

WA, Australia

Roy Hill SMPEI works

Thiess is awarded a $330 million contract by Samsung C&T to construct the mine process plant facilities for the Roy Hill iron ore mine in Western Australia.

QLD, Australia

Jellinbah East coal mine

Thiess is awarded a new $250 million contract by Jellinbah Resources to operate the Jellinbah Plains open-pit, part of the Jellinbah East coal mine near Blackwater in Central Queensland.

QLD, Australia

Tunnels to Curtis Island

Thiess delivers a major milestone for Saipem Australia, principal contractor for the Santos GLNG Gas Transmission Pipeline Project, by successfully tunnelling under the Narrows off Gladstone's coast to connect Curtis Island with the mainland. The 4.3 kilometre under-sea tunnel provides a pipeline conduit without disturbing the marine environment.

WA, Australia

Venture with Aboriginal Corporation

Thiess enters into a joint venture with Wirlu-Murra Yindjibarndi Aboriginal Corporation (WMYAC) to provide labour services for non-process infrastructure at Solomon mine in Western Australia. The venture develops close working relationship with the Wirlu-Murra Yindjibarndi people and provides commercial and employment benefits for the communities local to the project.

International; Chile, South America

First Americas contract won

Expanding further internationally, Antofagasta Minerals awards Thiess a $137 million services agreement over four years for the Encuentro Oxides open pit copper mine in Chile.

National, Australia

FleetCo joins Thiess

As part of a CIMIC corporate restructure, FleetCo becomes a subsidiary of Thiess in Australia. FleetCo supplements the full-service offering from Thiess and supplies dry and fully maintained hire to Thiess clients and the broader mining sector.

QLD, Australia

Dawson South contract

Thiess wins a $115 million contract to continue operating the southern pits of the Dawson Coal Mine in Central Queensland. Thiess has a long history at the Dawson Mine, having been part of the original joint venture in 1962 to establish and operate the mine, in partnership with Peabody and Mitsui, and, since 2005, performing mining operations.

WA, Australia

Rocky's Reward contract

Thiess is awarded a $160 million contract with BHP Billiton Nickel West to undertake operations at the Rocky’s Reward nickel mine at Leinster, approximately 400 km north of Kalgoorlie in Western Australia. The Rocky’s Reward mine is an open-pit operation within Nickel West’s Leinster mine complex.

QLD, Australia

QCOAL Northern Hub contract

Thiess is awarded a three year $250 million contract by QCoal Group to operate the QCoal Northern Hub mines near Collinsville, located in the Bowen Basin, Queensland.

International; Botswana, Southern Africa

New contract in Southern Africa

Thiess, through our 60 per cent share in the Majwe Mining Joint Venture, secures a new, two-year contract with Debswana Diamond Company’s Jwaneng mine in Botswana with revenue of approximately $370 million.

International; Indonesia & Mongolia, Asia

Expansion in Asia regions

Thiess continues mining services at the Teguh Sinar Abadi and Firman Ketaun Perkasa concessions, and secures a contract extension Melak Coal Mine in East Kalimantan, Indonesia with additional revenue of $530 million. In a joint venture with local contractor Khishig Arvin, Thiess secures the first underground decline project at the Rio Tinto-operated Oyu Tolgoi copper and gold project in Mongolia's southern Gobi desert. Work will include the construction of a box cut and development of twin declines.

International; Botswana, Southern Africa

Operations extended in Botswana

Through its 60% share in the Majwe Mining Joint Venture, Thiess secures a two-year contract with Debswana Diamond Company’s Jwaneng mine in Botswana.

QLD, Australia

Expansion in the Bowen Basin

Thiess secures two contracts with a combined revenue of $440 million to provide mining services over three years at BHP Billiton Mitsubishi Alliance’s Caval Ridge and Peak Downs coal mines in Queensland’s Bowen Basin, Australia.

NSW, Australia

Full service commences at Mount Pleasant Operation

Thiess begins mining at Mount Pleasant Operation, following a successful five-month mobilisation period for client MACH Energy. More than 80 per cent of the operation’s diverse workforce lives locally, building a strong performance culture and contributing to the local communities.

International; Indonesia, Asia

Relationships strengthened in Indonesia

Thiess is awarded a $300 million contract by Kaltim Prima Coal (KPC) to expand operations at Sangatta coal mine in East Kalimantan, Indonesia, where operations began in 2003. The Melawan pit will extend coal production by 12 million tonnes and overburden removal by 130 million bcm over four years. Two projects are won in the East Kalimantan region - a $437 million contract at Gunung Bara Utama coal mine and $300 million a contract extension at Mahakam Sumber Jaya coal mine, extending Thiess’ successful 13-year operations at MSJ.

WA, Australia

Thiess brings autonomy to Christmas Creek

Thiess secures a contract with Fortescue Metals Group to install autonomous haulage system technology on 65 conventional haul trucks at their Christmas Creek operations over 18 months, in Western Australia’s Pilbara region.

International; Chile, South America

Equal opportunities globally

As part of our commitment to equality and diversity, Thiess passes the first female truck operator at our Centinela operation in Chile, creating a replicable pathway for more women to enter the industry.

QLD, Australia

New contract and three major extensions for Queensland

Thiess is awarded a new $480 million four-year contract by QCoal to continue operations at the QCoal Northern Hub located in Queensland’s Bowen Basin. Thiess also secures a $190 million contract extension from Anglo American to continue to provide mining services at Dawson South, also in the Bowen Basin. Coronado awards Thiess a $160 million contract extension to continue providing mining services at the Curragh Coal Mine in Queensland. Thiess has a long record of service at Curragh, having operated at the project since 2004. BHP Billiton Mitsubishi Alliance’s (BMA) provides Thiess with a A$150 million contract extension for Caval Ridge coal mine in Queensland’s Bowen Basin.

International; Indonesia, Asia

A$277M Sangatta contract variation

Thiess signed a A$277 million contract variation with Kaltim Prima Coal (KPC) to increase production at Sangatta in East Kalimantan, Indonesia. The variation will increase coal production by an additional 8 million tonnes and overburden removal by 76 million bank cubic metres (bcm) until 2021.

International; Chile, South America

Further expansion in South America

Thiess is awarded a mining services contract with Mantos Copper S.A. at their Mantos Blancos mine, northeast of Antofagasta, Chile. The new onsite workshop opens at Encuentro, in the Antofagasta region of Chile, allowing state-of-the-art maintenance to be carried out by the Thiess team 24 hours a day, 7 days a week.

Global

A new shareholder

CIMIC signs an agreement with Elliott Advisors to invest in 50 per cent of the share capital of Thiess, providing joint control of Thiess to CIMIC and Elliot.

International; USA, North America

Expansion into North America

Thiess expands to North America, opening an office in Salt Lake City, Utah, following the announcement of our first mining services contract in the region.

Global

Dual-fuel technology

Thiess partners with Mine Energy Solutions to bring lower emission, dual-fuel technology to its mining fleet, the first for a mining services provider in the industry.

Global

Thiess Rehabilitation

Thiess launches a new standalone rehabilitation business to the market - Thiess Rehabilitation, having delivered award-winning rehabilitation programs globally for more than 30 years.

Global

Thiess acquires MACA

Thiess acquires international contracting group MACA to diversify operations across commodities, geographies and services. MACA was originally founded in Western Australia in 2002.

Global

Semi-autonomous mining milestone

Thiess makes history at Pembroke Resources Olive Downs Complex - the world’s first mining operation to deploy Cat® MineStar™ Command for hauling and Command for drilling solutions simultaneously. Across our operations, Thiess’ autonomous fleet totals 21 autonomous haul trucks, nine autonomous drills and six semi-autonomous dozers.

WA, Australia

Two new contracts for Western Australia

Thiess is appointed mining services provider for the Iron Bridge Project in Western Australia. Under the initial three-year contract, Thiess will deliver mining and maintenance services and asset management services. Covalent Lithium awards Thiess a four-year contract to deliver mining services at the Mount Holland Lithium Mine in WA. Covalent Lithium is a joint venture between Wesfarmers and Sociedad Quimica y Minera de Chile (SQM), one of the world’s largest lithium miners.

QLD, Australia

First Thiess Rehabilitation contract

Thiess Rehabilitation is awarded their first contract, a 3.5 year partnership with Idemitsu Australia’s Ensham Resources to deliver mine rehabilitation solutions that create areas for native bushland corridors and cattle grazing across more than 700 hectares of land. Working with the client at the Ensham Mine, east of Emerald in Queensland, the scope of works includes the detailed design and construction of the final rehabilitated landforms, topsoiling and seed bed preparation, and sowing of both pasture and native tree species. The team will apply industry leading landform design methodologies, as well as the implementation of technology for surveying and seeding to deliver the project.

International; Indonesia, Asia

Balikpapan Support Facility achieves PROPER award

The Balikpapan Support Facility (BSF) team, which comprises the Batakan office and Kariangau office, receives the Program Penilaian Peringkat Kinerja Perusahaan dalam Pengelolaan Lingkungan Hidup (PROPER) award. This award recognises Thiess' Indonesian team's outstanding efforts in environmental management and sustainability.

International; Indonesia, Asia

Expansion into nickel in Indonesia

For the first time in our 35 years operating in Indonesia, Thiess expands into nickel. We secure two nickel contracts - a $125 million four-year ore hauling contract with Weda Bay Nickel, and a $240 million nickel mining contract with PT Halmahera Sukses Mineral that will see us mine waste and ore over a 42-month period.

NSW, Australia

Second contract for Thiess Rehabilitation takes us back to our origins

Thiess Rehabilitation secures their second contract in Australia - a two-year contract with Idemitsu Australia to deliver rehabilitation services at Muswellbrook Coal Mine in NSW. Muswellbrook Coal Mine’s open-cut operations began in 1944 with a contract awarded to Thiess Bros, marking the start of Thiess’ mining business and our presence in the Hunter region.

QLD, Australia

Autonomous milestone at Lake Vermont

Thiess autonomously drills more than 1,000,000 lineal metres at our Lake Vermont operation in Queensland. The achievement is a first for Thiess and a mining services provider globally.

QLD, Australia

Autonomy achievements in the Bowen Basin, Queensland

Thiess is the first mining operation in the world to simultaneously deploy Cat® MineStar™ Command for hauling and Command for drilling solutions. We achieved this world-first at a metallurgical coal mine in the Bowen Basin, where we also launched fully autonomous drilling and hauling ops from a purpose-built facility on-site, set up a private LTE network that talks to over 85 assets in the autonomous operating zone and transformed a greenfield site into a fully autonomous operation within 18 months.

International; Indonesia, Asia

Thiess Rebuild Centre opens on Batam Island

The rebuild centre will serve as a dynamic hub for rebuilding Thiess’ mining trucks, equipment and components for our operations in Asia and Australia. Thiess aims to rebuild 65 Cat haul trucks by the end of 2024.

Global

Underground metals specialist PYBAR joins Thiess Group

Thiess Group acquires underground mining specialist PYBAR on 31 May 2024, expanding our service offering and opening up new opportunities in underground metals and minerals that are critical to the global energy transition, across Australia and globally.