Rick Shearer

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.

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.

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.

Mindesta, Inc. provides drug delivery systems technology services through its wholly owned subsidiary CTT Pharmaceuticals, Inc. CTT Pharma is a developmental stage company which has had limited operations to date and it specializes in drug delivery systems technology within the pharmaceutical industry. Mindesta was founded on November 6, 1996 and is headquartered in Ottawa, Canada.

Black Bull Resources, Inc. engages in mining of minerals. It involves in processing and marketing quartz from its White Rock. The company was founded by David Leonard Wood and James M. McDonald on June 1997 and is headquartered in Calgary, Canada.

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.

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.

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.