PORR Umwelttechnik and two of its subsidiaries, Koller Transporte-Kies-Erdbau GmbH and Altlastensanierung und Abraumdeponie Langes Feld GmbH, operate various landfill sites for mineral waste. Our specialists in Lower Austria, Styria and Upper Austria use the latest in landfill technology to manage the storage of numerous types of waste. In Austria PORR Umwelttechnik works in close collaboration with regional incineration plants to treat municipal waste.