1869 establishments in Austria

opera house in Vienna, Austria

PORR AG (stylised by the company as PORR AG) is an Austrian construction group headquartered in Vienna. Listed on the Vienna Stock Exchange, it is among the largest construction companies in Austria and operates internationally across major segments of the construction industry, including civil engineering, tunnelling, building construction, environmental engineering, and facility management.

locomotive factory in Vienna, Austria

transport company

Austrian media company

thumb|Oberbank headquarters in Linz, 2009 thumb|Oberbank at the Schwarzenbergplatz in Vienna Oberbank AG is an Austrian regional bank that is headquartered in Linz. It is part of the 3-Banken-Gruppe together with BKS Bank AG and Bank für Tirol und Vorarlberg AG (BTV).