David G. Proctor

Milestone Partners Management Co LP (Milestone Partners) is a private equity firm founded in 1995 by William Scott Warren. The firm is headquartered in Radnor, Pennsylvania.

Wind River Holdings LP (Wind River) is a private equity firm founded in 2000. The firm is headquartered in King of Prussia, Pennsylvania.

Philadelphia Mixing Solutions Ltd. manufactures fluid mixers and agitators. Its products include aerators, agitators, shaft seals and static mixers. The firm's customers include the chemical processing, biological and industrial wastewater treatment, mineral processing, flue-gas desulphurization and other fluid mixing industries. The company was founded in 1957 and is headquartered in Palmyra, PA.

Founded in 1999 by the late Thomas Watson, Janney Montgomery Scott LLC (JMS) is a full-service financial services firm and registered broker/dealer headquartered in Philadelphia, Pennsylvania. The firm is a subsidiary of Independence Square Properties LLC, itself a subsidiary of Penn Mutual Insurance Co. Their ultimate parent is Harleysville Mutual Insurance Co. JMS is a member of the NYSE, the SIPC and FINRA. The firm provides comprehensive financial advice and services to individual, corporate and institutional investors. Their primary coverage verticals include the consumer, technology, financials and infrastructure sectors.