Decmil Group Limited, along with its subsidiaries, provides a comprehensive range of services, including design, engineering, construction, and maintenance. These offerings predominantly cater to the infrastructure, resources, energy, and general construction sectors throughout Australia. The company's operations are divided into two main segments: Construction and Engineering, and Accommodation. In the infrastructure domain, Decmil undertakes projects such as civil engineering for roads and bridges, along with railway network and airport development. Its construction capabilities extend to industrial structures like workshops and storage facilities, as well as purpose-built workforce accommodation. Furthermore, the company provides expertise in structural mechanical and piping, the installation of processing units and systems, power delivery management for engineering infrastructure, and essential groundwork including site preparation, excavation, and bulk earthworks. Within the energy sector, Decmil is active in oil and gas projects, constructing wellhead installations, downstream processing components, gas compressors, gas plants, and associated infrastructure such as control rooms, substations, workshops, and accommodation. Its involvement in energy projects spans from feasibility studies and engineering to comprehensive project management and construction. Additionally, Decmil builds schools, medical centers, and accommodation units for government and local councils, complementing its work on diverse industrial and commercial properties. Established in 1978, Decmil is based in Osborne Park, Australia.