National Gypsum

National Gypsum Company is a major US manufacturer of wallboard (drywall) and other building materials, known for brands like Gold Bond, ProForm, and PermaBASE, providing products for residential and commercial construction, with a focus on innovation, quality, and sustainability. Headquartered in Charlotte, NC, they're a key player in the North American building supply market, serving various sectors like healthcare, education, and housing.