Door Engineering proudly celebrates 60 years of innovation, craftsmanship, and trusted performance in specialty engineered door systems.
Founded in 1966, Door Engineering has grown from a small Minnesota workshop into a global leader serving industrial, commercial, aviation, and specialized environments. Over six decades, we’ve delivered more than 9,000 doors, including 4,000+ four‑fold doors in over 1,000 fire stations nationwide, supporting millions of emergency responses each year.
As part of the Senneca™ family of brands, Door Engineering remains committed to advancing innovation while maintaining the craftsmanship and reliability that have defined us for 60 years—and will continue to guide us into the future.
Thank you for trusting Door Engineering as your partner. We look forward to continuing to support your projects with engineered solutions that protect, connect, and perform.