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USG Corporation, also known as United States Gypsum Corporation, is an American company which manufactures construction materials, most notably drywall and joint compound. The company is the largest distributor of wallboard in the United States and the largest manufacturer of gypsum products in North America.
Plaster City is a company town with a large gypsum quarry and plant owned by United States Gypsum (USG) [1] in Imperial County, California.It is located 17 miles (27 km) west of El Centro, [1] at an elevation of 105 feet (32 m), a two-hour drive south of Palm Springs, or a 90 minute drive east from San Diego.
For 63 years, from 1948 to 2011, Empire was a company town of the US Gypsum Corporation, a manufacturer of gypsum based construction sheetrock, and once had a population of more than 750 people. US Gypsum closed the mine and the town in 2011; the mine and town were bought in 2016 by the Empire Mining Company (EMC), a manufacturer of gypsum ...
United States v. United States Gypsum Co. was a patent–antitrust case in which the United States Supreme Court decided, first, in 1948, [1] that a patent licensing program that fixed prices of many licensees and regimented an entire industry violated the antitrust laws, and then, decided in 1950, [2] after a remand, that appropriate relief in such cases did not extend so far as to permit ...
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. [1] It is a private company, incorporated as New NGC, Inc. in 1993 after previously filing for Chapter 11 ...
Gypsum is an unincorporated community in eastern Portage Township, Ottawa County, Ohio, United States. It has a post office with the ZIP code 43433. [2] The community is named for deposits of the gypsum rock near the original town site. [3] Gypsum mining in the area by U.S. Gypsum Corporation began in 1902 and stopped in the 1970s, however the ...
Gypsum concrete. Phosphorgypsum-based concrete with sawdust aggregate. Gypsum concrete is a building material used as a floor underlayment used in wood-frame and concrete construction for fire ratings, sound reduction, radiant heating, and floor leveling. [1] It is a mixture of gypsum plaster, Portland cement, and sand.
United States Gypsum (USG) has owned the company since 1954. Today, the mine and plant cover an area of approximately 809 ha. From docking facilities on St. Patricks Channel adjacent to the quarry, Little Narrows Gypsum ships approximately one million tonnes of quarried gypsum yearly by vessel to several destinations in the United States ...