Nozomi Entertainment announced that they have licensed Aria the Animation. This announcement came at 2:00 PM CST after a week of hints and guessing on their official website and forums.
The first season is scheduled to be released on September 30th as a DVD collection for $49.99. Aria the Natural, Aria the OVA ~Arietta~, and Aria the Origination will be released sometime after.
Source: Anime Today Twitter Feed, Aria.Rightstuf.com