Decmil Group Ltd. operates as a holding company, which through its subsidiaries, engages in designing, civil engineering and construction works for the oil and gas, resources, government and infrastructure sectors. The company operates its business through subsidiaries under its segments: Construction and Engineering, Accommodation and Other. The Construction and Engineering segment provides multi-discipline design, civil engineering and construction services; and fabrication and installation of high pressure pipes, vessels and tanks. The Accommodation segment builds, owns and operates accommodation villages include Homeground Gladstone located in Gladstone, Queensland. The Other segment owns and manages commercial office building located at Osborne Park. Decmil Group was founded in 1979 and is headquartered in Osborne Park, Australia.