10 DIAGEO Website : www . diageo . com The global leader in wine and spirits , Diageo has over 200 brands including Johnnie Walker , Bailey ’ s , Guinness and Smirnoff . Its brands are sold in 180 countries “ at almost every price point , in every category to meet customer demand ”. Having been founded in 1997 , Diageo now produces over 6.5bn litres of its brands ’ products every year , from over 100 manufacturing sites in 30 countries . In 2016 , it achieved a return on assets of 8.9 %. Diageo strives to “ maintain high standards of integrity and social responsibility ,” and earned a CSR score of 7.00 . The company states that it tries to promote an entrepreneurial spirit , giving its 32,000 + employees the “ freedom to succeed ”, placing an emphasis on “ diverse people and perspectives ”. Overall , Gartner awarded Diageo a composite score of 2.57 .