Siegfried Stumpf

ÖBB-Technische Services GmbH provides passenger rail transportation. It engages in the management of railway vehicles including maintenance, modernisation, assembly, engineering, new build and reconditioning of vehicle components, plus development of testing and diagnostic equipment. The company was founded in 1995 and is headquartered in Vienna, Austria.

ÖBB-Personenverkehr AG provides passenger rail transportation. It operates suburban trains, long-distance trains, passenger wagons, railcars, and buses. The company was founded in 2004 and is headquartered in Vienna, Austria.

ÖBB-Infrastruktur AG designs and constructs railway infrastructure projects. It also operates railway stations, bridges, tunnels, railway crossings, hydroelectric power stations, and buildings. Its services include inspection and repair works, as well as providing railway-specific construction services. The company was founded in July 1969 and is headquartered in Vienna, Austria.