Profile: United States Gypsum Co. produces gypsum wallboard, joint compound and a vast array of related products for the construction & remodeling industries. We manufacture ceiling suspension systems & recognized as a premier acoustical panel and specialty ceiling systems innovator. Our Fiberock® Brand Aqua-Tough™ interior panels are designed for wall assemblies. Our Sheetrock® Brand Easy Sand™ lightweight setting-type joint compounds are chemically-setting powder compounds suitable for drywall interiors and exteriors.