1963
Macmahon Construction was established on August 5, 1963, while Macmahon Holdings Limited was formed as the parent company. The Company's first annual report was issued in 1964, reporting revenue of $1 million and a profit of more than $38,500.
1967
Macmahon won its first mining contract for excavation works at Nobles Nob Gold Mines at Tennant Creek in the Northern Territory.
1970
Construction commenced in 1970, with the earth and rockfill dam supplying water from 1972.
1978
Macmahon began construction of the Tarcoola to Alice Springs Railway, as well as a section of the Great Northern Highway near Broome, WA.
1983
With more than 1000 employees and $77 million in revenue, Macmahon was formally listed on the Australian Stock Exchange. The Company also commenced civil works for the 1500km Dampier to Perth natural gas pipeline in 1983.
1987
Macmahon acquired FK Kanny & Sons, an open cut mining contractor based in Western Australia. The acquisition enabled Macmahon to further expand its operations in the mining sector.
1992
Macmahon secured the contract for bulk handling of iron ore in Dampier for Hamersley Iron Pty Ltd.
1994
Macmahon established its international operations with ventures in Chile and Malaysia. Heads of Agreement were signed with Heng Huat Quarries for quarry development in Malaysia.
1995
Kalgoorlie based underground mining and consultancy services group National Mine Management Pty Ltd was acquired. A Macmahon office was also established in Indonesia to explore business opportunities in the region.
1997
Macmahon became the first Australian contracting company to have its entire operations accredited to international Environmental and Quality Assurance standards.
1998
Macmahon's civil contracts were extensive during 1998, including the Adelaide-Crafters Highway and a tunnel project in South Australia, the upgrade of the Royal Australian Air Force based at Learmonth (as part of a joint venture) and the construction of a 87km rail formation for Hamersley Iron in Western Australia.
2001
Macmahon's growth in the coal sector was confirmed with new contracts at Blackwater, Queensland and Muswellbrook, New South Wales. The construction of the Alice Springs to Darwin Railway began and the Company also secured a 10 year road maintenance contract in Western Australia.
2006
Macmahon acquired ARD and CRE in 2006 to further expand its underground mining service offering. The Company also acquired 60 percent of MVM Rail, with the remaining 40 percent owned by Spanish company COMSA EMTE.
Macmahon established the Indigenous Mine Skills Program to provide pre-employment training for Indigenous people seeking a career in the resources sector.
2010
Macmahon commenced its first African mining contract in Nigeria in February 2010.
2011
Macmahon secured its first contract in Mongolia, for coal mining operations at the Tavan Tolgoi project.
2013
Macmahon finalises sale of Construction business and confirms future focus on mining.
2014
Macmahon continues to build a strong relationship with Anglo Gold Ashanti and Independence Group at Tropicana. Tropicana becomes Macmahon’s most significant contract.
2015
Macmahon awarded mining services contracts at Telfer in WA, St Ives in WA and Martabe in Indonesia (in joint venture with a local partner).
2017
Macmahon awarded a US$2.8 billion mining services contract at Batu Hijau for PT AMNT. In the process, AMNT becomes Macmahon’s largest shareholder with a 44.3% holding in Macmahon shares.
Macmahon was selected by Byerwen Coal, a subsidiary of QCoal, as the exclusive partner to provide contract mining services at the Byerwen Coal Mine in the Queensland Bowen Basin.
2018
Macmahon signed an agreement to purchase TMM Group, a civil construction and maintenance services company based in Brisbane.
2019
Macmahon acquired Western Australian based, specialist underground contractor GBF Underground Mining Group (GBF).
2020
Secured expansion and extension of existing coking coal contract in the Bowen Basin to November 2023, plus 2 year option.
Macmahon formally awarded a 5 year contract for the Foxleigh project extending our range of services to new JV clients QMetco, POSCO Australia and Nippon Steel Australia.
2021
Macmahon were awarded a new 4 year mining services contract with Silverlake Resources for the Deflector Gold Mine, estimated at $220M. This is a direct benefit of the GBF acquisition as the incumbent contractor. St Barbara awarded Macmahon a new mining services 5 year contract with a 3 year option for the Gwalia Gold Mine, estimated at $500M.
Macmahon receives a LOI for Eastern Goldfields King of the Hill surface and underground mining services contract, commencing 2022. This 5 year contract is Macmahon's 2nd combined underground and surface mining services contract.
Macmahon was selected for a 3 year, $200M surface mining contract with Anglo American at the Dawson South Mine in Queensland, commencing July 2021.