Red Hat Inc.

Posted April 5, 2010 3:12 p.m. EDT
Updated May 7, 2010 5:36 p.m. EDT

Red Hat Inc. (NYSE: RHT) is the world's leading open source provider. It is the developer of Linux operating systems software.

Located: 1801 Varsity Drive, Raleigh

Employees: As of February 28, 2010, Red Hat had approximately 3,200 employees worldwide.