Commercial Openings

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. There systems are not only built for long-lasting durability, but also for low maintenance speed and safety.

CS Group – Grilles and Vision Barriers

CS Grilles give you countless options for expressing design visions with patterns, colors and customization. Grilles provide a beautiful, environmentally responsible and economic alternative for renovating existing building facades.

CS Vision Barriers can be used anywhere you need sight screening or a horizontal or vertical accent wall. There rugged aluminum screen patterns satisfy requirements for free area movement. Varied height, width and blade spacing of each pattern provide unlimited options.