Aeon (eikaiwa)
Aeon (株式会社イーオン, Kabushikigaisha Īon) is a chain of English conversation teaching companies in Japan. It is considered one of the historical "Big Four"  eikaiwa schools. The company operates 320 branch schools throughout Japan, and maintains staff recruitment offices in New York City and Los Angeles.In November 2013 it was reported that Aeon had approximately 100,000 students studying English.