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Sheetrock

National Gypsum Company

National Gypsum Company is a fully integrated building products manufacturer and one of the leading gypsum wallboard producers in the world. Placed end-to-end, the company's annual wallboard production would travel around the earth over 14 times. National Gypsum also offers a full line of interior finishing products including joint compounds, tape, and plasters. Its growing cement board product line has a strong customer base in the United States and several other countries.

The company, headquartered in Charlotte,NC, has over 50 locations including, laboratories; mines and quarries; paper mills; wallboard, interior finishing products,and cement board plants and sales regions.