National Gypsum is one of the leading gypsum wallboard producers in the United States. Headquartered in Charlotte, NC, the company is a full-line supplier, recognized in the industry for customer service and product quality.

Gypsum wallboard, also known as drywall, is the company's primary product, and National Gypsum is the second largest producer in the United States. The company has 21 wallboard plants strategically located near metropolitan areas. National Gypsum wallboard is marketed under the Gold Bond^® brand.

National Gypsum has seven plants producing interior finishing products under the ProForm^® brand. The primary product is joint compound, which is sometimes called "ready mix" or "drywall mud."

Cement backerboard, marketed under the PermaBase^® brand, is the company's third business line. Cement board is produced in four plants and is used primarily as an underlayment for tile walls, floors and counters.

Fully integrated, the company has laboratories, mines, quarries, and recycled paper mills in addition to its product manufacturing locations.