John C. van Roden

Airgas, Inc. supplies gases, welding equipment, and safety products. It offers abrasives, cutting tools, industrial brusher, industrial coatings and paints, machine tools, balloon regulators gas equipment accessories, industrial application gases, medical gases, and specialty gases. The firm serves construction, metal fabrication, life sciences, healthcare, food and beverage, retail, energy and chemicals, and primary materials. The company was founded by Peter McCausland in 1982 and is headquartered in Radnor, PA.

Conectiv Power Delivery provides safe, reliable, and affordable regulated electric and natural gas delivery services to the customers in Delaware, Maryland, and Virginia. The company is located in Wilmington, DE.

SEMCO Energy, Inc. supplies and markets natural gas. It also also owns and operates businesses such as SEMCO Energy Gas Company and ENSTAR Natural Gas which involve in natural gas, propane distribution, intrastate pipelines and natural gas storage. The company is headquartered in Plymouth, MI.

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.

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.