DoorKing, Inc. is a leading manufacturer of innovative products for the access control industry. We manufacture a variety of PC programmable Telephone Entry and Multi-Door Card Access Systems, Telephone Intercom Systems, High Security MicroPLUS™ RF Transmitters and Receivers, Digital Keypads and Vehicular Slide, Swing and Barrier gate operators. Our product offerings include a complete line of Magnetic and Electric locks, Proximity Card Readers and a variety of access control accessories.