MAAS Group Holdings Limited, together with subsidiaries, engages in the provision of construction materials, equipment, and services for civil, infrastructure, and mining sectors in Australia, Vietnam, Indonesia, and internationally. It operates through Residential Real Estate; Commercial Real Estate; Civil, Construction and Hire; Manufacturing; and Construction Materials segments. The Residential Real Estate segment develops, invests, builds, and sells residential land and housing properties. The Commercial Real Estate segment builds and constructs commercial and industrial properties; supplies building products; and invests in commercial real estate properties. The Civil, Construction, and Hire segment engages in the construction of civil infrastructure, roads, dams, and mining infrastructure. This segment also provides electrical infrastructure, communications, and specialized services; sells machinery; and offers above and underground plant hiring services for infrastructure and tunneling projects. The Manufacturing segment manufactures, sells, and distributes underground construction and mining equipment and parts. The Construction Materials segment supplies quarry materials, aggregates, and pre-mix concrete; offers mobile crushing and screening services for quarries, civil works, and mining; provides geotechnical services, including geological engineering, drilling, and testing; transport and logistics services; asphalt services; and quarry excavation services. The company was founded in 2002 and is headquartered in Dubbo, Australia.