Ronald L. Hoffman

Dover Resources, Inc. manufactures and distributes fluid control equipment. The firm provides refiners, calciners, coal producers and end-users such as cement, power, steel and aluminum plants for bulk commodity product streams. It also distributes petroleum coke, carbon fines, coal, asphaltenes and other complimentary products to industries. Dover's clients include BP, ExxonMobil, Unocal, ConocoPhillips, Shell, Tesoro, Valero, Imperial Oil, Kuwait Petroleum Co. and YPF/Repsol. The company was founded in 1955 and is located in Tulsa, OK.

Pall Corp. designs, manufactures, and markets filtration and separation equipment. Its products are used to remove solid, liquid, and gaseous contaminants from a variety of liquids and gases. The firm has Life Sciences and Industrial segments. The Life Sciences segment focuses on developing, manufacturing, and selling products to customers in the medical, biopharmaceuticals, and food and beverage markets. The Industrial segment focuses on developing, manufacturing and selling products to customers in the process technologies, aerospace, and microelectronics markets. The company was founded by David B. Pall on July 31, 1946 and is headquartered in Port Washington, NY.