- Hi-One Optical
- Address:3F 1030-1 Chimsan-dong Buk-gu
- belmore co.,ltd
- Address:RM102, 304-255, Sindang-dong, Jung-gu
- Eugene Optical Co., Ltd.
- Address:180-2,Nowon-dong 1-ga ,Buk-gu
- Vision For Two
- Address:Mapo-daero 86
- CHL International Co.
- Address:No. 304, 149-1 Anam-dong 5ga, Sungbuk-gu
- Frame Factory Co., Ltd.
- Address:#1080, Chim San-dong, Buk-gu
- DK ITECH CO., LTD
- Address:No.310 Suntechcity Ii B/D,307-2 Sangdaewon-dong
- LONSHANG
- Address:648, Youngdungpo-dong, Youngdungpo-gu
- GOODSTEP & COMPANY
- Address:Rm406, 1205-1, Nowan3-Ga, Buk-Gu
- IL Shin Industrial Company
- Address:#137-603,Bangbae-dong ,Seocho-gu
- CL WORKS
- Address:Suite711, Byucksan-Technopia, 434-6, Dangdaewon-Dong, Seongnam-Shi
- Queen Optical Enterprise
- Address:265-9,Nowon-dong 1-ga ,Buk-gu
- NETWING INC
- Address:Sedae Bldg 803, Hoehyeon-dong 3ga, Jung-Gu
- roseeye,inc.
- Address:674-11 Manchoh-1dong, Suseong-gu
- Benjamin's International supply Inc.
- Address:
- S.K.C. Eyewear
- Address:1027-3,Chimsan-dong ,Buk-gu
- TEE LENS CO.
- Address:# 911, Duson-Pastel, Gyesan-dong
- B.D Korea
- Address:#605, Miwon Bldg., Yeouido-dong, Yeongdeungpo-gu
- Frameworks Co., Ltd.
- Address:1193-6,Sinsang-ri ,Jillyang-eup ,Gyeongsan-si
- I&B
- Address: