D & K Materials Inc, 3019 Congress Lake Rd, Mogadore, OH 44260, US

Best Sand Corporation produces grain silica sand and silica gravel. It has received an ISO 9002 certification from the International Organization for Standardization. The corporation is a part of Fairmount Minerals, which is one of the largest producers of industrial sand in the United States. The parent company offers a range of mining and processing services. Fairmount Minerals also produces lake, resin-coated, pool filter and bunker sand, as well as gravel. The parent company serves the abrasive, filtration, oil and gas markets, as well as various golf courses, artificial sports fields and foundries. Fairmount Minerals operates subsidiaries throughout the U.S.