Genoa sand operation laying off workers because of oil ...
Genoa sand operation laying off workers because of oil slump. The company reported its total work force at the Genoa plant at 162 employees in 2012. Preferred Unlimited Company, a Pennsylvania investment group, bought the plant along Highway 22 in 2007, shortly after it was constructed by Legacy Resources Co. According to its website, Preferred Sands also has plants in Arizona, Wisconsin and Canada.