Editing Green Tree, Pennsylvania (section)

==Economy==
[[Wexford Health Sources]] has its headquarters in Foster Plaza Two in Green Tree.<ref>"[http://www.wexfordhealth.com/Contact-Us Contact Us]." [[Wexford Health Sources]]. Retrieved on August 14, 2010. "Wexford Health Sources, Inc. 425 Holiday Drive Foster Plaza Two Pittsburgh, PA 15220."<!--Address says Pittsburgh but maps to Green Tree--></ref><ref>Twedt, Steve. "[http://www.post-gazette.com/pg/09102/962006-28.stm Wexford Health works with inmates]." ''[[Pittsburgh Post-Gazette]]''. Sunday April 12, 2009. Retrieved on August 14, 2010.</ref>

The [[United States Department of the Interior|U.S. Department of the Interior]]'s [[Office of Surface Mining]] has its Appalachian Regional Coordination Center, including the Pittsburgh Field office and the [[National Mine Map Repository]], in Three Parkway Center in Green Tree.<ref>{{cite web|last=Bernhard|first=Karrie|title=Office of Surface Mining Reclamation and Enforcement Appalachian Region|url=http://www.arcc.osmre.gov/|access-date=November 22, 2011}}</ref>