Wal-Mart company Financial analysis
The company should be traded on NASDAQ or NYSE. Big US companies have data widely available on them to do accurate company analysis. For example, Wal-Mart has a symbol "WMT". Go to the above website, and type the symbol of Microsoft "MSFT" on top right and it will tell you everything you want to know about the company including balance sheets and income statements for last 5 years.