Iron Mountain, a global company in the records management market , completed the acquisition of OSG Records Management, a document storage firm, from Elbrus Capital, a Russia and CIS-focused private equity funds manager, for $94.5m. “We invested in OSG in 2013 and are honoured to have been able to contribute to the company’s significant development and growth. The company’s unwavering focus on its clients and quality of service is what has made the business so successful. We are thrilled that the company will continue to prosper under the stewardship of Iron Mountain Incorporated, a global leader in the records management market and our longstanding partner,” Alexander Savin, Elbrus Capital Senior Partner.