According to a report from the Wall Street Journal, AT&T CEO Randall Stephenson announced that the company is aggressively looking overseas, especially in emerging markets like India, for its next acquisition targets. Demand for wireless services in India, China, Vietnam, Saudi Arabia, Dubai, Qatar and Kuwait is increasing as multinational corporations stationed there need advanced data and voice services, and some regulatory environments begin to welcome foreign investors.
While doing some research for some thoughts I am having on long-term data archives, I found this:
http://www.outsourcingstrategy.org/vendors/
Its second article may be of interest. I don't understand the area well enough to comment.