PORR AG engages in the development and construction of real estate properties. It operates through the following segments: AT/CH, DE, PL, CEE, Infrastructure International, and Holding segments. The AT/CH segment covers PORR’s entire responsibility for the home markets of Austria and East Switzerland. The DE segment comprises the majority of PORR’s activities in Germany. The PL segment holds complete responsibility for Poland that focuses on office, industrial, and hotel construction as well as on buildings and facilities for the public sector. The CEE segment is focused on the home markets of the Czech Republic, Slovakia, and Romania. The Infrastructure International segment deals with contracts in infrastructure construction and on cooperation with local partners. The Holding segment bundles operating areas that are not allocated to the operating segments but are managed by the top management level due to developments that are not in line with the market, and other equity interests. The company was founded by Arthur Porr on March 16, 1869 and is headquartered in Vienna, Austria.