About Us

  • John Stanley – OWNER
  • Served 4 years in the US Marine Corps, honorably
    discharged as a Sergeant/E-5
  • Bloomsburg University Graduate
  • Native of Elizabethtown, PA
  • Resides in Palmyra, PA

ProSeal is backed by 26 years of asphalt maintenance experience in Central PA. John’s passion to offer the most advanced products, combined with the commitment to customer satisfaction, is what sets ProSeal apart. John believes in a very hands-on approach which is why he is personally involved with every job – from a small residential driveway to a large commercial parking lot. If he’s not doing the physical work, he’s guaranteed to be on every job site making sure each job meets his high standards.