BOSTON, Nov. 3, 2015 (GLOBE NEWSWIRE) -- ABRY Partners ("ABRY"), a Boston-based private equity firm, has completed the previously announced acquisition of International Medical Group (IMG), a leader in the global insurance and assistance services market. Brent Stone, partner at ABRY, said, "We are proud to welcome IMG into the ABRY family. Its outstanding leadership, sustained growth and reputation for excellence position IMG as the top player among its competitors. With our shared vision and values, we look forward to continuing our partnership and further expanding IMG's global presence."