DeSousa Oil & Service Corp. Share: Building, Home Improvement & Repair DeSousa Oil & Service Corp. Visit Website View Trip 502 Delaware Avenue Palmerton, PA 18071 610-826-2292 Facebook Hours: Monday - Friday from 8:00am - 4:30pm. Emergency on call service is available for our customers. About Map About DeSousa Oil and Service Corp. is a family-owned full service plumbing, heating, water treatment, and air conditioning business. What's Nearby? Distance: 5 10 15 20 25 50 mi.