Report graded over 2,000 top companies for sustainability . Score: 6 German sportswear company Puma was rated highest . Top of the class in the Sustainability Report published by EIRIS , the British based corporate research company , is German sportswear company , Puma . Only 2 % of U.S. companies and 1 % of Asian businesses had the top mark .
Report graded over 2,000 top companies for sustainability . Score: 6 German sportswear company Puma was rated highest . Only 2 % of U.S. companies and 1 % of Asian businesses had the top mark .