William J. Duggan

Pittsburgh Equity Partners (PEP) is a venture capital subsidiary of Robinson & Engler LLC founded in 2007. The firm is headquartered in Bridgeville, Pennsylvania.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

Iowa Interstate Railroad Ltd. provides railroad dispatching and transportation services. It provides train service between Chicago, Illinois and Omaha, Nebraska. The firm's services also include industrial switching, transload services and intermodal capabilities. It also transports agricultural products, steel, scrap, appliances, intermodal containers and trailers, chemicals and forest products. Iowa Interstate Railroad was founded in 1984 and is headquartered in Iowa City, IA.

CFA Institute operates as non-profit organization, which engages in the provision of chartered financial analyst programs. It offers certificate in investment performance measurement program, investment foundations, and scholarship. The company was founded in 1965 and is headquartered in Charlottesville, VA.

The Pennsylvania Institute of Certified Public Accountants is a professional association for certified public accountants operating statewide. The non-profit company is based in Pennsylvania.

The Hawthorne Group, Inc. operates an investment and management company. The company was founded by Thomas D. Wright and Henry Posner in 1987 and is headquartered in Pittsburgh, PA.

Winchester Thurston School operates as a co-educational and college preparatory day school. It offers programs for academics, arts, and athletics. The company was founded in 1887 and is headquartered in Pittsburgh, PA.

Conrail, Inc. provides freight services. The company was founded in March 1993 and is headquartered in Philadelphia, PA.

Part of Eurail Group GIE, Eurorail International NV provides business and management consulting services. The company is based in Aalst, Belgium. The CEOs are Henry Posner, Eric Debrauwere. The Belgian company was founded in 2006.

Ferrocarril Central Andino SA provides touristic services. provides railway, freight transportation and tourism services. The company is headquartered in Lima, Peru.

Hamburg - Köln - Express GmbH provides passenger rail transportation services. The private company is based in Cologne, Germany. The German company was founded in 2011. Carsten Carstensen has been the CEO of the company since 2009.

Vivarail Ltd. is a world leader in battery technology for rail applications. The private company is based in Southam, UK. Vivarail has built class 230 and class 484 trains, using a variety of power systems. Its first pure battery train was launched in 2018, and its next-generation train will be launched at the UN Climate Change Conference. Vivarail has sold trains to a number of UK-based operators and to Railroad Development Corporation as part of its export strategy. With the UK's first battery and battery hybrid trains fully approved for passenger service, Vivarail has proved its ability to deliver independently powered emission-free rolling stock. It means that an electrified network can be achieved without the need and expense of installing new catenary. As well as ensuring good quality existing rolling stock can be retained by converting to battery power – saving waste, energy, and resources while delivering a decarbonized railway. Founded in 2013, the British company has designed and developed emission-free traction systems based around flexible battery operation.