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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.
Tubro Co is a Warminster, PA-based company in the Manufacturing sector.
Environmental Spray Systems is a San Diego, CA-based company in the Manufacturing sector.
Halstab Division is a Hammond, IN-based company in the Manufacturing sector.
Epsi Inc is a Paris, TX-based company in the Manufacturing sector.