Don-Jo Mfg., Inc.

Don-Jo Mfg., Inc. is a U.S. manufacturer of architectural door hardware accessories and door security products. Its range includes bolts and latches, hinges, kick plates, filler plates, strikes, door reinforcers, latch protectors, conversion plates, and door and frame preparation products. The company supports commercial door installation, repair, and retrofit needs with products for varied hardware and frame configurations.