William R. Donley

RailWorks Corp. provides track and transit systems construction and maintenance services. It provides railway construction and railroad maintenance services to industries served by rail, ports, waterways and utilities. The company was founded in 1998 and is headquartered in New York, NY.

Koppers, Inc. produces carbon compounds, chemicals, and treated wood products. The firm offers naphthalene, petroleum pitch, phthalic anhydride, refined tar, specialty pitch, coal tar distillates, carbon pitch, pressure-treated wood, tie pre plating, track panels, and rail joints and track components. It also provides carbon pitch testing, engineering support, logistics, and railroad structures services. The company was founded in December 1988 and is headquartered in Pittsburgh, PA.

Tangent Rail Corp. provides railroad maintenance and wood treating services. The firm also wholesales crossties, switch ties, bridge ties, timbers, grade crossings, and track panels. The company was founded in 2005 and is headquartered in Pittsburgh, PA.