Trinity Commercial Sales, Inc. 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. Trinity Commercial Sales, Inc.'s site at 1011 SE 25th St, Oklahoma City, OK, 73129, USA 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.
