DeltrexUSA offers the most complete, diversified and comprehensive lines of user friendly electric door control systems, exit release, call buttons, electromagnetic locks, power supplies, monitoring device assembled hardware with complete simplified application solutions. All products are designed, developed and made in the USA. All Deltrex systems are code conforming and ADA compliant. They are consistently reliable, durable and long lasting. Milling and engraving is done at our factory, and as such, optionally, all plate types can be custom engraved with dealer’s name.