Posted April 5, 2010 3:32 p.m. EDT
Updated May 7, 2010 5:36 p.m. EDT

— Glaxosmithkline (NYSE: GSK) is a pharmaceutical company. The RTP campus is home to research and development facilities focused on metabolic and viral diseases, as well as microbials, musculoskeletal, and proliferate diseases.

Located: 5 Moore Drive, Research Triangle Park

Employees: About 5,000 people.