National Gypsum - 85 and Still Growing

National Gypsum is a fully integrated manufacturer and supplier of building products used worldwide. Primary emphasis is on Gold Bond® BRAND gypsum board; ProForm® BRAND drywall finishing products; PermaBase® BRAND cement board products; e2XP® Extended Exposure fiberglass mat products; an XP® family of abuse, impact, mold and moisture resistant products; SoundBreak® XP®, an acoustically enhanced gypsum board; and the High Strength LITE family of lightweight gypsum board products.

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My grandfather worked for national gypsum decades ago. He has several patents around the work he did there. Great video!