- Easyintech. Co
- Address:Samsungfire B/D 16F, Beomeo-dong B/D,2-1 Suseong-gu
- IDRO Co. Ltd
- Address:Room703, 1017, Ingye-dong, Paldal-Gu
- DUALI INC.
- Address:1-309 Innoplex, 552 Woncheon-dong, Youngtong-gu
- prohitech
- Address:# 562-2, 2F, Topyeong-dong,
- Hanse Electronics Co., Ltd
- Address:2f, 260-7 Youmchang-Dong, Gangseo-Gu
- SUPERLOCK CO.,LTD
- Address:96-1, Yangjaedong