RDX, a Warrendale-based cloud, database and application managed service provider, has completed its acquisition of Navisite LLC from Charter Communications Inc. The Navisite acquisition increases the depth of RDX’s customer base, expands its global network of data centers and adds hundreds of certified experts in cloud-based infrastructure and application managed services.

The deal was announced in August. Financial details of the transaction were not disclosed.

RDX has acquired three companies over the past seven months. In addition to Navisite, in February 2019, RDX acquired database-as-a-service provider ClearDB and Amazon Web Services database migration and management specialists clckwrk.

RDX is part of the Chicago-based Madison Dearborn Partners investment portfolio. Madison Dearborn Partners is a private equity investment firm that has raised seven funds with aggregate capital of approximately $23 billion and has completed approximately 140 investments.