North Shore Commercial Door is your one-stop shop for DoorKing garage door openers and gate openers. We have all the complete systems and individual components you need to replace, repair or upgrade your current system. Using high-end transmitters, DoorKing garage door openers and gate openers provide you with the reliability, convenience and security you need in your commercial garage doors.

Our huge collection includes compact, key ring-sized transmitters with one, two and three buttons. These DoorKing garage door openers can be used from inside vehicles or from relatively long distances. Many of the transmitters in our selection also feature advanced technology, using encrypted sync code changes that render copied transmitter codes useless. Transmitters that feature this technology generate new codes instantly after each use.