AJ Lucas Group Ltd. engages in the provision of pipelines, specialist infrastructure, construction and drilling services to the energy, water and wastewater, and resources and public infrastructure sectors. It operates through the following segments: Drilling, Engineering and Construction, and Oil and Gas. The Drilling segment provides drilling services to the coal industries for the degasification of coal mines and associated services and commercial extraction of gas. The Engineering and Construction segment offers pipelines and associated construction and civil services. The Oil and Gas segment focuses on commercialization of unconventional and conventional hydrocarbons in Europe and Australia. The company was founded in 1950 and is headquartered in North Sydney, Australia.