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 segment AT/CH covers PORRšs entire responsibility for the home markets of Austria and East Switzerland. The segment DE comprises the majority of PORRšs activities in Germany. The segment PL 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 segment CEE is focused on the home markets of the Czech Republic, Slovakia and Romania. The segment Infrastructure International PORR focuses on 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.