Zen Centers in Pennsylvania - Complete list of Zen centers in Pennsylvania maintained by the International Research Institute for Zen Buddhism. - http://iriz.hanazono.ac.jp/zen_centers/centers_data/usaNW.htm#PENNSYLVANIA
Reading Zen Group - Member of the Cloud-Water Sangha, affiliated with the Rochester Zen Center, Harada Yasutani lineage. - http://www.rzc.org/html/sangha/sitting_groups.shtml#Reading
Pennsdale: Mt. Equity Zendo - Jihoji - Soto Zen Monastery. Head priest Dai-En Bennage. Offers frequent retreats and sesshins. - http://mtequity.org
Pittsburgh: Stillpoint - A Soto Zen practice community offering several sittings weekly, and annual sesshins. - http://www.stillpointzen.org
Pittsburgh: Zen Center of Pittsburgh - Affilliated with the Prairie Wind School of Zen, and the Soto lineage. Offers daily zazen practice, periodic retreats, and a resident teacher. - http://www.prairiewindzen.org/zcp/