NTT is the international and long distance service arm of NTT (Nippon Telegraph and Telephone Corporation), one of the largest telecommunications companies in the world, having revenue over $120,315M and over 219,350 employees. (ranked 31st in the Global Fortune 500 list of 2011 (Ref. IBM 52nd, Microsoft 120th)). NTT has subsidiaries and offices in 77 cities and 29 countries/regions and NTT (Vietnam) is its subsidiary in Vietnam. NTT is becoming a global leader of ICT services under its Vision 2015 growth strategy, helping companies worldwide to quickly expand their global operations by taking advantage of its broad range of Japan-quality ICT services, such as global networks, data center (including cloud), system integration, security consulting, ERP application.