GTT is a global network integrator headquartered near Washington D.C. that provides wide-area network and wireless mobility services to over 300 enterprise, government, and carrier clients in over 100 countries. Through its over 800 supplier relationships, GTT combines multiple networks and technologies to design customized solutions for each client. It enhances client performance through proprietary systems, comprehensive project management, and 24/7 operations support from offices in the U.S., U.K., Germany, and elsewhere.