Arthur J. Denney

MarkWest Hydrocarbon LLC provides natural gas processing services. It also provides transportation, fractionation, and storage of natural gas liquids and transportation of crude oil. The company was founded by John M. Fox in April 1998 and is headquartered in Denver, CO.

MarkWest Energy Partners LP engages in the business of gathering, processing and transportation of natural gas; the transportation, fractionation, storage and marketing of natural gas liquids; and the gathering and transportation of crude oil. It operates through four segments: Marcellus, Utica, Northeast and Southwest. The Southwest segment includes the operations of processing facilities in Corpus Christi, Texas. The Northeast segment assets include the Kenova, Boldman, Cobb, Kermit and the Langley natural gas processing complexes, NGL pipeline and Siloam NGL fractionation facility. The Marcellus segment includes gathering, processing and fractionation infrastructure in the liquids-rich area of the Marcellus Shale The Utica segment provides fractionation services. The company was founded in January 2002 and is headquartered in Denver, CO.

High Sierra Energy, LP acquires, manages, and integrates businesses & revenue generating assets in the natural resources industry. The company was founded by James J. Burke, III in 2004 and is headquartered in Denver, CO.

Part of Enron Dissolution Corp., Enron Gas Services Corp is an oil and gas concern. The company is based in Houston, TX.

Laird & Co. produces, markets, and distributes beverages. The firm's products include applejack, apple brandy, applejack bottles, wines, and spirits. It imports olive oils, balsamic vinegar sprits, and wines from other countries. The company was founded in 1780 and is headquartered in Scobeyville, NJ.

University of Nebraska Foundation is a private, nonprofit corporation which secures financial support for the university. The company was founded in 1936 and is headquartered in Lincoln, NE.