Commercial Door & Frame, Inc. is a recognized member of Intertek's Certified Machiner Program, allowing them to modify Intertek Certified Fire Frames as detailed within the applicable Intertek specification listings. Commercial Door & Frame, Inc.'s site at 14212 Doolittle Drive, San Leandro, CA 94577 is subject to routine inspections to verify that modifications to Intertek Certified Fire Frames are done in compliance with the requirements of the Intertek specification listings.