Iron Mountain, a provider of innovative storage and information management services, agreed to acquire the Frankfurt data center of Calcium for $90m. “This latest investment in one of the most sought-after European markets further solidifies our commitment to invest in the global markets where our customers need us. As a leading global data center provider, we are pleased to continue to meet the key growth milestones that this acquisition, and the recently announced expansion in London, represent,” Mark Kidd, Iron Mountain Executive Vice President and General Manager of Data Centers.