- Jaeil Optical Corporation
- Address:No 1103-2,Chimsan 1-dong ,Buk-gu
- hanbyul optical co.
- Address:148 obong-ro
- LensMam
- Address:Taegang 1005-# 1306, Gongreung-Dong, Nowon-Gu, Seoul, Korea
- Richard Park
- Address:1132-144, Sanggye-1dong
- BELMORE CONTACT CO LTD
- Address:60-12 busong-ri, Seobuk-gu
- Whashin Korea Vision Co., Ltd..
- Address:Daeil B / D 4F, # 294-1, Samseongdong,
- JIN SEONG SYSTIME
- Address:5-1
- H2C DESIGN LTD.
- Address: