Microsoft was established in 1975 and today they are world largest software company with Turnover of 69.94 Billion USD for FY 11

They develop, manufacture, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions.

Software products: OS: Windows 7 , Desktop Application: Office Suite, Project, Visio, Vstudio are few to name some

Server range have Windows server, Exchange , lync, SQL , SharePoint, Biztalk, System Center etc

Gaming Consoles: Xbox 360

Hardware : Keyboard, Mouse, Webcam, Headsets

Official link : www.microsoft.com