The Nexus Group, Inc. Purchases Digital Crossing Networks in Knoxville Knoxville, Tennessee, – The Nexus Group, Inc. (“Nexus”) announced today that it has purchased the operating assets of Digital Crossing Networks (“DCN”), East Tennessee’s most-established and reliable data center from its owners, Mr. Nadeem Siddiqi and Mr. Paul Sponcia. Nexus will continue to ... April 15, 2020 Nexus Group Knoxville