Jeff N. Quinn

Vibrantz Corp. engages in the business of manufacturing specialty materials. Its products include frits, porcelain and other glass enamels, glazes, stains, decorating colors, pigments, inks, polishing materials, dielectrics, electronic glasses and other specialty coatings. The company was founded by Harry D. Cushman, Raymond Williams, and Henry Luebbert in 1919 and is headquartered in Mayfield Heights, OH.

Tecumseh Products Co. engages in the manufacturing and selling of hermetic compressors for air conditioning and refrigeration. It offers reciprocating compressors, rotary compressors, scroll compressors and condensing units. The firm offers specialty air conditioning, household refrigerators and freezers, and commercial refrigeration applications. . The company was founded by Raymond Herrick in 1934 and is headquartered in Ann Arbor, MI.

Premcor USA, Inc. engages in petroleum refining and supplying of unbranded transportation fuels, heating oils, petrochemical feedstock, petroleum coke and petroleum products in the United States. Its products include gasoline, on and off-road diesel fuel, jet fuel, liquefied petroleum gas, petroleum coke and residual oil. The company was founded in 1988 and is headquartered in St. Louis, MO.

SunEdison, Inc. engages in the provision of renewable-energy services. The company was founded on August 6, 1959 and is headquartered in Maryland Beltsville, MD.

W.R. Grace & Co. engages in the production and sale of chemicals and materials. It operates through the Grace Catalysts Technologies and Grace Materials Technologies segments. The Grace Catalysts Technologies segment includes catalysts and related products and technologies used in refining, petrochemical and other chemical manufacturing applications. The Grace Materials Technologies segment consists of specialty materials, including silica-based and silica-alumina-based materials, used in coatings, consumer, industrial, and pharmaceutical applications. The firm specializes in chemical processing, coatings and inks, food and beverage, general industrial, nutraceutical, personal care, pharma, and plastics industries. The company was founded by William Russell Grace in 1854 and is headquartered in Columbia, MD.

Solutia, Inc. manufactures performance materials and specialty chemicals. The company was founded in April 1997 and is headquartered in St. Louis, MO.

Premcor, Inc. refines and distributes fuel. It supplies unbranded transportation fuels, heating oil, petrochemical feedstock, petroleum coke and other petroleum products. The firm operates through subsidiary Premcor Refining Group which produces gasoline, diesel and aviation fuel. The company is headquartered in Greenwich, CT.