●EPIK (English Program in Korea)
●TaLK (Teach&Learn in Korea)
●Korean Language Study on the Internet (KOSNET)
●Ministry of Culture, Sports & Tourism
●National Institute for International Education (NIIED)
● Seoul National University (Language Education Institute)
● Yonsei University(Korean Language Institute)
● Korea University (Korean Language & Culture Center)
● Sogang University (Korean Language Education Center)
●Sungkyunkwan University (Sungkyun Language Institute)
●Hankuk University of Foreign Studies (Foreign Language Training & Testing Center)
●Kyung Hee University (Institute of International Education)
●Ministry of Education
●Seoul
● Busan
●Daegu
● Incheon
●Gwangju
● Daejeon
● Ulsan
●Gangwon-do
●Chungcheongbuk-do
● Chungcheongnam-do
●Jeollabuk-do
●Jeollanam-do
●Gyeongsangbuk-do
● Gyeongsangnam-do