PORR Umwelttechnik GmbH and its subsidiaries Koller Transporte-Kies-Erdbau GmbH (German website) and Altlastensanierung und Abraumdeponie Langes Feld GmbH (German website) operate a number of landfill sites.
Their services include site research, planning, building, financing and operating landfills. In Lower Austria, Styria and Upper Austria, the company operates disposal sites for mineral wastes and is thus responsible for the storage of many types of waste in accordance with the latest technological developments in waste disposal.
The PORR Environmental Engineering department works in close collaboration with incineration plants in Austria to treat municipal waste. It runs two recycling centres with adjacent landfill sites in Serbia.