Microsoft Corporation is an American multinational technology company that produces computer software, consumer electronics and personal computers. Its headquarters are located at the Microsoft Redmond campus in Redmond, Washington. Microsoft Windows, the Microsoft Office suite and the Internet Explorer, Edge and Edge web browsers are its most well-known software products. The Microsoft Surface line of touchscreen personal computers and Xbox video games consoles are its flagship hardware products. Microsoft was ranked No. Microsoft ranked No. 21 in 2020 Fortune 500 rankings for the largest United States corporations according to total revenue. It was the world's biggest software maker by revenue at the end of 2016. It is among the Big Five American information-technology companies.