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W.Va. company moving corporate HQ to Frederick

FREDERICK — A West Virginia-based industrial mineral company is moving its corporate headquarters to Frederick.

The Frederick Department of Economic Development said Thursday that U.S. Silica Co. will move into a 126,150-square-foot building on Progress Drive near Monocacy Boulevard. The site abuts the Riverside Research Park.

U.S. Silica Co. has more than 650 employees, and operations in 13 states. The company produces industrial silica sand and was initially formed in the mid-1990s when Pennsylvania Glass Sand and Ottawa Silica Company merged.