: World Kitchen, LLC Headquarters
: Rosemont, Ill.
Pyrex is one of the most widely-known makers of kitchen containers and bakeware found in 80 percent of American households. Corning Inc. started producing Pyrex in the U.S. in 1915. Though the brand changed owners in 1998, when it was sold to World Kitchen, production has never left the country. The tempered soda-lime glass products have been made in Charleroi, Pa. since the 1940s. About 2,500 people are employed in the United States for manufacturing and distributing.
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