Technology Decisions, Inc. (TDI) is a telecommunications engineering and consulting company providing comprehensive planning and design for all voice, data and video systems including transport media and component technologies. TDI provides specialized knowledge and a wide base of experience to serve all segments of the telecommunications industry. TDI has assisted a variety of clients in taking advantage of the many opportunities created by recent innovations in the telecommunications industry. We are a professional engineering and consulting firm with an outstanding reputation in evaluating the technology, markets and profitability of designing, building, deploying, operating and maintaining telecommunications networks and systems — including the convergence of the various applications and technologies for providing subscriber services.