Visit the Microsoft online galleries ...

The Microsoft Art Collection started in Redmond in 1987. The corporation had approximately 2000 employees and occupied six buildings. Their Collection now includes 4000+ works of art and is resident among more than 80 buildings across North America. This collector has primarily focused on contemporary art from around the world.  The Collection includes painting, sculpture, works on paper and more....

http://www.microsoft.com/mscorp/artcollection/