USA Fire Door is a nationwide supplier of commercial door openings, specialising in fire-rated steel and wood doors, hollow metal frames, fire-rated glass and builders hardware. It is a corporate member of the Door & Hardware Institute and assigns DHI-credentialed specialists to projects. Fire ratings supplied run from 20 minutes through 45, 60 and 90 minutes to three-hour assemblies meeting NFPA 80. The firm operates from Gardena, California and ships complete opening packages nationally.