TOKYO and SACRAMENTO, Calif., Feb. 3, 2014 /PRNewswire/ -- NTT Communications Corporation (NTT Com), the ICT solutions and international communications business within NTT (NYSE: NTT), and RagingWire Data Centers (RagingWire), a leading provider of data center colocation services in the United States, jointly announced on February 3 that NTT Com has completed its investment of $350 million in RagingWire to acquire an 80% ownership stake. RagingWire's founders and management team will continue to operate the company as a platform under the RagingWire brand and maintain a minority interest in the company. The addition of RagingWire's data center space to NTT Com's portfolio more than doubles NTT Com's data center space in the U.S. and enables both companies to respond to high demand for data center colocation services worldwide. NTT Com will also deploy RagingWire's know-how and patented technologies for the design and operation of highly dependable, scalable and sophisticated data centers. "We are thrilled to welcome RagingWire into the family of NTT Communications group companies," said Akira Arima, CEO of NTT Com. "Our combined customer base which includes the top enterprises, government organizations, and Internet companies around the world will benefit from our expanded and enhanced data center and cloud solutions. RagingWire's patented data center power delivery design and technology along with their world-class customer service model will be important additions to our global solutions portfolio." RagingWire has 650,000 square feet of data center space at its campuses in Sacramento, California, and Ashburn, Virginia. Both campuses are currently being expanded. In addition, RagingWire has begun construction of a new 150,000 square foot data center in Sacramento and will soon break ground on a 78 acre parcel of land in Ashburn, Virginia with designs to build 1,500,000 square feet of data center space. NTT Com's data centers in more than 150 locations amount to a total server room floor area of over 2.5 million square feet. Under its Nexcenter (TM) brand, NTT Com is striving to offer enhanced data center services of even higher quality than before. The new Nexcenter solutions will combine globally standardized service agreements, service level agreements (SLA) and customer portals with special cost-reducing features, such as advanced air conditioning systems and virtual-network-based global seamless services, including hybrid clouds.