Bluestone Communications provides dedicated on-site support throughout the 58-story Comcast Center, located in center city Philadelphia. The Comcast Tower is currently the tallest building in Philadelphia, and the 15th tallest building in the United States. Bluestone technicians also provide support throughout the other Comcast facilities in Philadelphia and the surrounding region. Technicians oversee all Moves/Adds/Changes (MAC) associated with Voice, Data and Audio Visual, as well as support the building’s wireless and DAS functions. As needed, Bluestone is engaged by Comcast to support larger scale project work.