Microsoft Corporation Headquarters, Washington

The main "campus" for Microsoft is this decentralized, 300 acre corporate park in Redmond, with around 40 buildings, housing thousands of offices. The company employs around 127,104 people worldwide, with around 43,000 of them in the Puget Sound area, at the headquarters, at the nearby and smaller RedWest Campus (located on a former chicken ranch), and at other leased and own spaces in the region, for a total of over 120 buildings spread across Redmond.