The story
Founded by Melvin H. Baker.1
Private company
American gypsum corporation
National Gypsum Company is a company based in Charlotte, North Carolina, that produces drywall gypsum boards in the US. It has 17 gypsum board plants in the US and presents itself as a fully integrated building products manufacturer. It is a private company, incorporated as New NGC, Inc. in 1993 after previously filing for Chapter 11 bankruptcy in 1990.2 It was founded by Melvin H. Baker.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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National Gypsum Company is a company based in Charlotte, North Carolina, that produces drywall gypsum boards in the US. It has 17 gypsum board plants in the US and presents itself as a fully integrated building products manufacturer. It is a private company, incorporated as New NGC, Inc. in 1993 after previously filing for Chapter 11 bankruptcy in 1990. In 1995, Clemmie Spangler took over National Gypsum for $1.2 billion, through Delcor Inc., a private investment company controlled by him. Spangler had been chairman of National Gypsum and owned 20% of the company, and his family went on to own the whole company.2
National Gypsum sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
What National Gypsum reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.
Things Wikidata records the company as owning, with the share when stated.1
Founded by Melvin H. Baker.1
Who has led National Gypsum, and when. Pick a name to see everywhere that person has worked.
Listed on Wikidata.1
From Wikidata.1
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