Both Nokian Tyres plc and Pirelli & Cie SpA have been included in Dow Jones' Sustainability World Index.
"We are proud to show leadership in sustainability and to receive this acknowledgement," says Nokian President and CEO Jukka Moisio.
In six years, Nokian has reduced its manufacturing-related carbon dioxide emissions by 44%.
"The confirmation of Pirelli's world leadership on the Dow Jones indices acknowledges once again the value of integrating sustainability into our company's development strategy," says Marco Tronchetti Provera, executive vice chairman and CEO of Pirelli.