The Entertainment Software Ratings Board (ESRB) lists the North American publisher of Gust's Atelier Ayesha: The Alchemist of Dusk as Tecmo KOEI America.
NIS America previously confirmed plans to localize the title to North American markets at Anime Expo in July with further announcements planned at the end of 2012. The game shipped in Japan in June.
NIS America localized most of the previous games in the series, including Atelier Meruru: The Apprentice Of Arland which shipped on May 29.
Tecmo KOEI will release the game in Europe in the first quarter of 2013.
[Via Siliconera (link 2)]