Another contractor for the UTAH NSA data center, Turner Construction, is a subsidiary of Hochtief AG.

"" However, the company's reputation is tarnished by World War II, when it deployed forced labor on construction projects.[11] It built the Führerbunker in Berlin, the scene of Adolf Hitler's suicide, as well as Hitler's Berghof retreat and Wolf's Lair headquarters.""

Turner was also involved in the clean-up of the Twin Tower debris and the OKC bombing in '95

Correlating this with the fact that most if not all the construction at Vanderbilt University and Vanderbilt Univ. Medical Center is done by Turner Const.