COVID-19 Update: National is Open for Business Fully Operational and ready to help our business partners!
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DEFENDDOOR – is a national brand of stainless steel doors and frames manufactured by National Custom Hollow Metal Doors & Frames, right here in the U.S.A.

We seek clients that are interested in mutually benefiting from our business experience by allowing us to compete where cost, volume, turnaround and quality are key issues to their bottom line.