Our Specialty Products

CrownDoor Products

Crown Doors designs and manufactures custom architectural door and window systems that blend innovative engineering with striking visual appeal. Their patented product lineup includes hydraulic and electric bi-fold systems, single swing systems, the unique 50/50 system, and vertical lift systems — all crafted to transform both commercial and residential spaces. With a focus on effortless installation and intuitive operation, Crown Doors delivers sophisticated, automated solutions that seamlessly connect interior and exterior environments while elevating the overall aesthetic of any project.

Door Engineering Products

Door Engineering and Manufacturing has been delivering customized door solutions across industrial, commercial, aviation, and specialty sectors for over 60 years. Their extensive product lineup includes four-fold systems, bottom rolling doors, vertical lift doors, sliding doors, and security gate systems — all engineered to perform reliably under high-cycle and heavy-duty conditions. From fire stations and aircraft hangars to parking garages and secure facilities, Door Engineering provides purpose-built solutions designed to maximize safety, efficiency, and long-term durability across virtually any application.

Electric Power Door Products

Electric Power Door is one of the oldest continuously operating door manufacturers in the United States, proudly family-owned since 1923. Their extensive product lineup includes blast doors, four-fold doors, sliding doors, vertical lift doors, shielding doors, craneway doors, swing and pivot doors, and roof and floor hatches — all custom-built to meet the unique demands of some of the world's most challenging environments. Serving industries ranging from military and aerospace to healthcare, mining, and fire stations, Electric Power Door delivers durable, precision-engineered solutions designed to perform reliably for the lifetime of any building.

Overly Door Products

Overly Door Company is an ISO 9001 certified manufacturer with over 135 years of experience designing and producing custom specialty doors, windows, and barrier systems trusted by architects, contractors, and distributors worldwide. Their comprehensive product lineup includes acoustical, bullet resistant, blast resistant, pressure resistant, radiation shielding, airtight and gastight, GSA vault doors, and hybrid custom solutions — each engineered to meet the most demanding performance specifications. From healthcare facilities and government buildings to military and high-security environments, Overly Door delivers precision-built systems that keep people, property, and data protected.

PS Industries

PS Industries has been designing and manufacturing protective solutions since 1974, offering a broad range of products across four divisions: industrial doors and access solutions, safety and fall protection, flood barriers, and custom public protection systems. With custom fabrication capabilities and a mission to protect people and property, PS Industries serves industries ranging from military and energy to food processing and manufacturing.