Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John Edgar Groninger Jr., Practice Areas No known practice areas. is located in the city of Mifflin, the state of Pennsylvania. Attorney legal address Po Box 273Mifflin, PA, 17058-0273. For more information, please call (717) 436-5380 Your comments* (not for publishing) * — Required information John Edgar Groninger Jr. ← View details Po Box 273Mifflin, PA, 17058-0273, Mifflin, Pennsylvania (717) 436-5380