- Eintech Co.,Ltd.
- Address:A-203,SK Twin Tech Tower, 345-9, Gasan-dong, Geumcheon-gu
- KMC ROBOTICS INC
- Address:4F, WooriTG Bldg. , 1593, Sangam-dong
- Brown Language Forum
- Address:Nonhyeon-dong, Gangnam-gu
- Che Bach
- Address:
- Dream info Tech., Ltd.
- Address:1412, SJ Techno Vill# 60-19 Gasan-dong
- Media Int'l Inc.
- Address:5F prime Center, 546-4 Guui-Dong, Kwanghin-Gu
- BMC BOOKART
- Address:1st, Fl 149-18 Sangae-5dong Nowon-ku
- Media International, Inc.
- Address:22f, Prime Center,546-4, Guui-dong, Kwangjin-ku