- Hi-One Optical
- Address:3F 1030-1 Chimsan-dong Buk-gu
- Eugene Optical Co., Ltd.
- Address:180-2,Nowon-dong 1-ga ,Buk-gu
- CHL International Co.
- Address:No. 304, 149-1 Anam-dong 5ga, Sungbuk-gu
- Frame Factory Co., Ltd.
- Address:#1080, Chim San-dong, Buk-gu
- LONSHANG
- Address:648, Youngdungpo-dong, Youngdungpo-gu
- GOODSTEP & COMPANY
- Address:Rm406, 1205-1, Nowan3-Ga, Buk-Gu
- Queen Optical Enterprise
- Address:265-9,Nowon-dong 1-ga ,Buk-gu
- roseeye,inc.
- Address:674-11 Manchoh-1dong, Suseong-gu
- Benjamin's International supply Inc.
- Address:
- Frameworks Co., Ltd.
- Address:1193-6,Sinsang-ri ,Jillyang-eup ,Gyeongsan-si
- I&B
- Address:
- Gabuk
- Address:1279, Bisan Dong
- Lookspia
- Address:Su-JI, JUK-Jeon1177-3, 602
- Luis Lee
- Address:Hanyang univ, Sa-dong, Sangrok-Gu
- Micron Star Eyewear
- Address:1613-6, Gura-ri, Hwawon-eup, Dalseong-gun,
- EyeFlex optical
- Address:1200-2 Chimsandong Bukgu
- Optics Global Corp.
- Address:Rm 1606 Migliore Bldg., Munhwa-Dong,Jung-Gu
- Icollection. Co., Ltd
- Address:220 nowon 1ga bukgu
- Global Trading Solution Co.
- Address:Kumchungu Kanasandong,505-14kolon Degital Tower Estern Building 1306-1310
- Sam Won Optical Co.
- Address:932-3,Chimsan 1-dong ,Buk-gu