Shuster's Building Components is a recognized member of Intertek's Certified Machiner Program, allowing them to modify Intertek Certified Fire Doors and Frames as detailed within the applicable Intertek specification listings. Shuster's Building Components’s site at 2920 Clay Pike, North Huntingdon, PA 15642, is subject to routine inspections to verify that modifications to Intertek Certified Fire Doors and Frames are done in compliance with the requirements of the Intertek specification listings.