Downer EDI Ltd. provides engineering, construction and asset management services to the customers operating in market sectors including minerals and metals, oil and gas, power, road and rail infrastructure, telecommunications and water. It operates through following business segments: Downer Infrastructure Australia, Downer Infrastructure New Zealand, Downer Mining and Downer Rail. The Downer Infrastructure Australia segment provides a full suite of engineering, construction and project management services in the public and private infrastructure industries. The Downer Infrastructure New Zealand segment provides essential services for the construction, development, management and maintenance of road and rail assets in the public and private sectors. The Downer Mining segment provides contract mining services including open-cut and underground operations, whole-of-lifecycle mine planning, tyre management, explosives and exploration, drilling, blasting and dust suppression services and technology. The Downer Rail segment provides design, build, fit-out and maintenance of passenger rolling stock and provides design, build and maintenance of freight rolling stock including locomotives and rail wagons as well as importing and commissioning of completed locomotives units for use in the resources sector. The company was founded in 1933 and is headquartered in Sydney, Australia.