Robert J. Hall

Penn Virginia GP Holdings LP manages coal mines and natural gas facilities. The company was founded in June 2006 and is headquartered in Radnor, PA.

Philadelphia Newspapers LLC engages in the publication of magazines and newspapers. The company was founded on June 23, 2006 and is headquartered in Philadelphia, PA.

Part of Gannett Co., Inc., Detroit Free Press, Inc. is a news and media company based in Detroit, MI. The company provides breaking news, sports, business, and entertainment updates to its readers. The company's news coverage includes local and national news, sports, and politics. It also offers an e-newspaper, obituaries, and legal news. In addition, the company provides information on autos, entertainment, and opinions. It was acquired by TEGNA, Inc. from Knight-Ridder, Inc. on August 03, 2005.

Philadelphia Media Network LLC publishes newspapers and magazines. It offers online services of the two newspapers throughout the country. The company offers publications, reader, marketing and advertising services. The company was founded in 2006 and is headquartered in Philadelphia, PA.

PVR Partners LP engaged in the gathering and processing of natural gas and the management of coal and natural resource properties in the United States. It operates through three business segments: Eastern Midstream, Midcontinent Midstream and Coal & Natural Resource Management. The Eastern Midstream segment is engaged in providing natural gas gathering, and other related services in Pennsylvania and West Virginia. The Midcontinent Midstream segment is engaged in providing natural gas processing, gathering services, and other related services. These processing and gathering systems are located primarily in Oklahoma and Texas. The Coal & Natural Resource Management segment involves in the management and leasing of coal properties and the subsequent collection of royalties. It also involves in other land management activities, such as selling standing timber, leasing coal-related infrastructure facilities and collecting oil and gas royalties. The company was founded in July 2001 and is headquartered in Radnor, PA.