David Richard Herrman

Duquesne Light Co. produces and supplies electricity. The company is headquartered in Pittsburgh, PA.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

Montauk Energy Capital LLC develops, owns and operates large scale renewable energy projects utilizing landfill methane. The firm offers pipeline quality gas production, electric power generation, renewable energy credits and landfill gas collection system operations. it also specializes in recovery, management and utilization of landfill methane. The company was founded in 1996 and is headquartered in Pittsburgh, PA.

Montauk Holdings Ltd. engages in the development, owning, and operation of renewable energy projects utilizing landfill methane. It provides pipeline quality gas production, electric power generation, carbon reduction and offset credits, renewable energy credits, and landfill gas collection system operations. The company was founded on August 31, 2010 and is headquartered in Pittsburgh, PA.

Part of Montauk Holdings Ltd., Montauk Holdings USA LLC develops, owns, and operates large-scale renewable energy projects that utilize landfill methane. The company is based in Pittsburgh, PA.