See full rankings for the 100 world's largest companies by their effectiveness as managers of corporate social responsibility issues. (more) Wal-Mart retakes the lead as the world's biggest company. See which other companies top our list. (more) On FORTUNE's global list, Apple and Berkshire Hathaway rank higher this year, while Microsoft slips. (more) See the 10 global companies most - and least - admired for their attention to community and environmental issues. (more) | |