Barry F. Grundy

U.S. Silica Co. engages in the development, production, and supply of industrial silica and products. The company was founded in 1968 and is headquartered in Frederick, MD.

Excell Minerals, Inc. develops mineral technologies for the agricultural, metals, and cement industries. It supplies recovered metals, agricultural liming materials, cement products, and fertilizers. The company was founded on January 2, 2004 and is headquartered in Sarver, PA.

Part of The Mosaic Co., North American Chemical Co. is a producer and marketer of inorganic chemical products. The company is based in New York, NY.

National Industrial Sand Association operates as a non-profit organization that offers industrial sand products. It offers ceramics and refractories; chemical production; construction; filtration and water production; glass production; metal casting; metal production; oil and gas recovery; paint and coatings; and recreational products. The company was founded in November 1935 and is headquartered in Washington, DC.

Union Carbide Corp. engages in the production of chemicals and polymers. The firm operates through the following geographical segments: United States, Asia Pacific and Rest of the World. Its products include polyethylene and polypropylene, ethylene glycol, isopropanol, ethyleneamines, biocides, surfactants, deicing and anti-icing fluids, amines, solution vinyl resins and polyethylene glycols. The company was founded on November 1, 1917 and is headquartered in Seadrift, TX.

Industrial Minerals Association-North America advocates the interests of North American companies that mine or process minerals used throughout the manufacturing and agricultural industries. The firm represents the minerals that include ball clay, bentonite, borates, calcium carbonate, feldspar, industrial sand, mica, soda ash, talc and wollastonite. The company was founded in 2002 and is headquartered in Washington, DC.

The Industrial Minerals Association of Europe (IMA) is an umbrella organization that represents over 500 companies in 28 countries. The organization is based in Brussels, Belgium. The IMA brings together a number of European associations specific to individual minerals such as calcium carbonates, dolomite, andalusite, bentonite, borates, diatomite, feldspar, kaolin, lime, mica, plastic clays, sepiolite, silica, talc, and vermiculite. The IMA focuses on industrial policy, innovation, sustainability, health and safety, and biodiversity and environment.

EA Engineering, Science & Technology, Inc. provides interdisciplinary environmental services. It offers environmental, compliance, natural resources and infrastructure engineering and management solutions. The firm serves the federal government, state and municipal government, industry and transportation and infrastructure sectors. The company was founded by Loren D. Jensen in 1973 and is headquartered in Hunt Valley, MD.

Superior Silica Sands LLC sells and distributes sand. The firm produces white silica sand used for golf course bunkers, greens construction, top dressing, and sports field construction. It supplies proppant sand to oil and gas service companies. The company was founded in 2001 by Keith Blair and is headquartered in Fort Worth, TX.

Part of Emerge Energy Services LP, Emerge Energy Services GP LLC operates as a holding company. The company is based in Southlake, TX.