What is now Presby Energy, Inc. originally was Stevenson Oil, founded in 1959. In January of 2006 Presby Energy purchased Stevenson Oil and expanded the services to include: Sales and installation of new heating systems, 24-hour burner service, and 24-hour on and off road diesel fuel pumps located off I-93 Exit 40 on Route 302 in Bethlehem in addition to the Home Heating Oil and Kerosene delivery business that John Stevenson started.