AJ Lucas Group Ltd. is a diversified infrastructure, construction and mining services company. The company specializes in providing services to the energy, water and waste water, resources and property sectors. It operates through three segments: Drilling; Engineering and Construction; and Oil and Gas. The Drilling segment provides services to the coal and coal seam gas industries for the degasification of coal mines and the recovery and commercialization of coal seam gas and associated services. The Engineering and Construction segment provides construction and civil engineering services. The Oil and Gas segment engages in the exploration for and commercialization of unconventional and conventional hydrocarbons in Europe, Australia and U.S. The company was founded in 1950 and is headquartered in Macquarie Park, Australia.