Gulf Coast Specialty Energy Services, LLC (“GCSES”), an affiliate of Grey Mountain Partners (“Grey Mountain”), has acquired Specialized Environmental Resources, LLC (“SER” or the “Company”). Headquartered in Carencro, LA, SER is a leading service provider of geotechnical and environmental drilling, environmental remediation, amphibious excavation, and marine transportation in logistically difficult marine environments.

Grey Mountain Partners (“Grey Mountain”) announced the sale of HVS Acquisition, Inc., including its subsidiaries Genesis Worldwide II, Inc., Herr-Voss Stamco, Inc., and RCI HV, Inc. (collectively, the “Company” or “Herr-Voss”), to Andritz (USA) Inc., an affiliate and memberof ANDRITZ GROUP (ANDR:Vienna). Grey Mountain had partnered with the Company since 2007.

Dimex, LLC, Grey Mountain’s first affiliate company in its latest fund, a $425 million investment vehicle, hired William Dopp as Chief Financial Officer. William was formerly the CFO of an $800 million division of Stanley Black & Decker. Prior to that, he was the Vice President of Finance for a division of the Avery Dennison Corporation. William bolsters an already strong team by adding significant experience with strategic growth programs, mergers and acquisitions, new facility integrations, and continuous improvement methodologies.

Paul Donofrio, Chris Good, Josh Sartisky and Travis Steele have joined Grey Mountain Partners as Associates. Before Grey Mountain, Paul was an investment banker in the Global Power & Renewable Energy Group at UBS in New York, where he advised on mergers and acquisitions and corporate finance transactions. Chris most recently worked as a financial institutions investment banking analyst for Citigroup in New York.  Prior to joining Grey Mountain, Josh was a mergers and acquisition analyst for SunTrust Robinson Humphrey in Atlanta.  Travis Steele joins Grey Mountain from RBC Capital Markets’ New York office, where he focused on merger and acquisition and restructuring advisory services.