The company operates in the Mining and Construction sectors and is listed on the Australian Stock Exchange.

In June 2008, Macmahon made a hostile takeover bid for rival company Ausdrill Ltd.[1] In January 2013, MacMahon secured its largest ever contract from Fortescue Metals Group after it was awarded a $1.8 billion contract for the Christmas Creek mining operation's expansion.

The five-year contract would deliver all aspects of mine operations, including drill and blast, overburden removal, ore harvesting, maintenance of equipment and associated services, for the expansion.

[3] It is unrelated to an Adelaide-based company named McMahon Services.

This article about an Australian corporation or company is a stub.