Trainer Refinery is an oil refining facility located in Trainer, Pennsylvania. The facility is downstream from the Port of Chester and fifteen miles southwest of Philadelphia along the Delaware River. Stoney Creek is along its northern perimeter. The Trainer Refinery is owned by Monroe Energy, LLC, a subsidiary of Delta Air Lines. Monroe Energy acquired the facility in June 2012. Since that time, the refinery has focused on producing jet fuel, gasoline, diesel, and home heating oil.