LiftMaster, also known as Chamberlain, is the world's largest manufacturer of residential garage door operators, commercial door operators, and gate operators. LiftMaster is leading the industry in product innovation and quality. Let us make your life more comfortable. In addition, your doors will perform longer. The fewer human hands touching a door, the longer the door will last. Our operators raise and lower your doors smoothly. We offer every accessory needed to keep your doors moving and your products shipping. Your employees will be grateful for having to no longer wrestle that huge door.