 MCLEAN, Va., Sept. 17, 2021 GLOBE NEWSWIRE -- GTT Communications, Inc. OTC: GTTN, GTT or the Company, a leading global cloud networking provider to multinational clients, has announced the completion of the sale of its infrastructure division to I Squared Capital. The division consists of a pan-European, North American, and subsea fiber network and data center assets and associated infrastructure services provided to customers. 