What makes Dortronics different from other suppliers of door control products? Everything. Here's why… we're an American based company that designs and manufactures our products in Sag Harbor, NY to the highest quality standards. In addition to benefiting from the proven performance of our door control products and solutions, you can always count on them to work reliably. Our flexible manufacturing capabilities also enable us to provide speedy delivery of switches, locks, annunciators, intelligent door controllers and more off the shelf, or customized to your specs in virtually any shape, size or finish. All at highly competitive prices. Dortronics delivers what you want, when you want it.