This is old news (2011) but I wanted to repeat it anyway.
Out of 350 potential multinational best companies list makers, we recognize the top 25 that appeared on national Best Workplaces lists published between September, 2010, and August, 2011.
To qualify, multinationals must have appeared on at least 5 national Best Workplaces lists, have at least 5,000 employees worldwide, and have at least 40% (or 5,000 employees) of their workforce based outside their home country. Extra weight was given for the number of Listed In where a company participated in a Great Place to Work® contest and the percentage of a multinational’s workforce covered by all Great Place to Work® surveys.
Read the article here.