Christopher L. Nagel

Bison Merger Sub I LLC engages in the provision and supply of proppants and sand products. It operates through the Proppant Solutions; and Industrial & Recreational Products (I&R) segments. The Proppant Solutions predominantly provides sand-based proppants for use in hydraulic fracturing operations through the U.S. and Canada, Argentina, Mexico, China, and northern Europe. The I&R segment provides raw, coated, and custom blended sands to foundry, buildings products, glass, turf and landscape, and filtration industry in North America. The company was founded in 1986 and is headquartered in Chesterland, OH.

Shakopee Sand LLC engages in operating mining and exploration fields. The company was founded on December 7, 2010 and is headquartered in Chesterland, OH.

Fairmount Santrol, Inc. engages in the production of sand and sand-based products used by oil and gas exploration. The firm also provides foundry, building products, water filtration, and oil and gas solutions. The company was founded by William E. Conway in 1978 and is headquartered in Chesterland, OH.

The Wallick Cos. constructs residential houses and apartment complexes and also provides management services. The private company is based in Reynoldsburg, OH and has subsidiaries in United States.

Part of Covia Holdings LLC, Wisconsin Industrial Sand Co. LLC is a company that specializes in industrial inorganic chemicals. The company is based in Menomonie, WI.

Wedron Silica Co. operates sand pits and dredges. The company is headquartered in Wedron, IL.

Part of Covia Holdings LLC, Technisand, Inc. engages in the construction of sand and gravel. The company is based in Troy Grove, IL.