Decmil Group Limited (ASX:DCG) provides design, engineering, construction, and maintenance services to the infrastructure, resources, energy, and construction sectors primarily in Australia and New Zealand. The company offers civil construction and bulk earthworks; non-process infrastructure including site preparation, excavation, and industrial buildings; accommodation villages and facilities from temporary fly-camps to resort-style camps; roads and bridges with complex interchanges; rail infrastructure such as stations, platforms, and control rooms; airports; renewable energy projects encompassing wind farms, solar, and energy storage with feasibility, engineering, project management, and balance-of-plant construction; oil and gas turnkey solutions; and building construction for housing, healthcare, education, commercial spaces, defence, and security facilities. Founded in 1978 and headquartered in Osborne Park, Western Australia, Decmil operates through Construction and Engineering, and Accommodation segments, targeting resources, government, and energy clients across remote and urban regions. As of August 2024, Decmil operates as a wholly owned subsidiary of Macmahon Holdings Limited following its acquisition for AUD 100 million; post-acquisition, it secured contracts including a AUD 61 million Marble Bar Road upgrade and over AUD 400 million in FY25 new work such as accommodation villages for mining projects.