Teheranro 77gil 14, ES Tower 11F Gangnam Gu, Seoul
470-171 Boungchung 5-Dong,
95-1, Neukhyun-ri, Chowol-eup, Gwangju-si, Gyeonggi-do
#807~809, 1st building LOTTE IT Castle, 550-1, Gasan-dong Geumcheon-gu, Seoul
#643-2, Chimsan-dong, Buk-gu,, Daegu
Taejeon-dong Kwang-ju-si, Gyeonggi-do
1768-6 Song Jung-dong Kang Seo-ku, Busan
607-164,Banghwa-dong ,Gangseo-gu