Compass Partners, a Stamford-based investment firm, agreed to acquire PRL, a manufacturer of high-tech alloy castings. Financial terms were not disclosed. “The acquisition by MPI will not only provide additional resources to our talented workforce, but increases PRL’s visibility with the nuclear Navy, and will be instrumental in growing PRL to the next level. PRL is ecstatic to welcome Admiral John Morgan as the new CEO, as his leadership skills and values are second to none,” Janis Herschkowitz, PRL President & CEO.