Expertise to find the right door for your large openings from standard overhead products to more specialized door systems such as aviation hangar doors, four-fold doors, or custom fabricated sliding/swinging doors.


Cornell manufactures a complete line of secure and durable closure products designed for commercial, industrial, institutional, and retail use.

Dynamic Closures

Dynamic Closures offers innovative and easy to use security grilles and closures which include side-folding, overhead rolling, and other special variations.

Door Engineering

Door Engineering and Manufacturing has offered industrial, commercial, fire-rated, aviation, and specialty door solutions for over 40 years. Door Engineering allows architects immense design flexibility by offering both customized and pre-engineered door system options, along with a variety of aesthetically pleasing fabrication and finishing alternatives. Their systems are not only built for long-lasting durability, but also for low maintenance speed and safety.