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Quick facts


  • Leighton Holdings is a founding member of the Australian Indigenous Minority Supply Council (AIMSC).

  • Leighton (LEI) was first listed on the Australian Securities Exchange in 1962.

  • Leighton Contractors as part of a consortium is undertaking the engineering, procurement and construction of the largest wind farm in the southern hemisphere, the Macarthur Wind Farm project will generate up to 420 Megawatts of electricity - enough energy to power around 220,000 average Victorian homes each year.

  • At the Curragh North coal mine in Qld, Thiess has introduced a fleet of new 363-tonne capacity Liebherr T 282C trucks. Empty, these trucks weight 236 tonnes - as much as 140 Ford Falcons, have an engine power of 2800 kW – as much as 14 Falcons and have a maximum speed of 64km/h.

  • Leighton Asia and John Holland as part of a joint venture are constructing the Hong Kong Sludge Treatment Facility. It will be the biggest sewage sludge incineration facility ever built (at 2,000 metric tonnes capacity per day). Apart from the functional aspects of the facility, it is also designed to be an iconic landmark building that is respectful of its environment as well as a tourist attraction.

  • The Leighton Group operates in more than 27 countries and has around 51,000 direct employees.

  • At the Ukhaa Khudag (UHG) coal mine in southern Mongolia, Leighton Asia is mining in conditions that can range from 40 degrees Celsius in the summer to -40 degrees Celsius in the winter.
  • At the Area C iron ore mine in Western Australia, HWE Mining handles over 45+ million tonnes of iron ore each year, which is carried in trains that haul 25,000 tonnes on each trip.
  • At the Prominent Hill mine in South Australia, truck drivers are trained on a $800k simulator, built inside a transportable container, where a computer simulates various scenarios from weather conditions and road surfaces to emergency situations, providing a safe environment for operator training.
  • At the Hinze Dam on Queensland’s Gold Coast, Thiess has raised the dam wall by 15m to reduce flooding in the lower Nerang River catchment and increase the water supply from the Dam to 225 million litres per day.
  • In a contract worth $1.5 billion over the next 10 years, John Holland will operate, manage, maintain and upgrade country railway lines across NSW, including 2,700 kilometres of operational freight and passenger lines and 3,100 kilometres of non-operational lines.
  • The massive Tunnel Boring Machines on the Airport Link project in Brisbane have a cutter head with a diameter of 12.48 metres and weigh a huge 3,600 tonnes each - the equivalent of 75 semi-trailers.
  • At the Burton coal mine in Queensland, Thiess has taken delivery of the world’s largest mining backhoe excavator, which has a bucket larger than many Australian living rooms and is capable of lifting 75 metric tonnes.
  • At the Mt Owen coal mine in the Hunter Valley, Thiess are mining 8.2m tonnes of coal per year from pits as deep as 270m. That’s nearly deep enough to bury the Eiffel Tower.
  • At the Victorian Desalination plant, Thiess are delivering the largest desalination plant in Australia, capable of supplying up to 150 billion litres of water a year - a third of Melbourne's annual water needs.
  • The Capital Gate building in Abu Dhabi, currently under construction by the Al Habtoor Leighton Group, has been certified as the ‘World’s Furthest Leaning Manmade Tower,’ by Guinness World Records. The 160-metre, 35-storey tower has been built to lean 18 degrees westwards - more than four times that of the world famous Leaning Tower of Pisa.
  • The massive Tunnel Boring Machines on the Airport Link project in Brisbane are 195 metres long, slightly longer than Suncorp Stadium playing field and cost $45 million each.

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