- CTK Lens
- Address:
- Ilkwang Optical
- Address:91,Nowon 2-ga ,Buk-gu
- SEESUN CO., LTD
- Address:515-2 Yonggye dong, dong gu
- Eco optical CO.,LTD
- Address:288 Yong ma street
- I-CODI
- Address:941 DEIDONG @7-104 DONGCHUNDONG YEONSUGU
- World Vision
- Address:Ran B/d, No 247-3 Saudong Gimapo City, Seoul Korea. 145-801
- solt&co
- Address:401 4F kangnam BLD 306 unjoo-ro 211-20 nonhyun-dong
- Jesse Optical Co., Inc.
- Address:2F,Chimsan-dong ,Buk-gu
- Chung Ho Co., Ltd.
- Address:683 Hateri, Eunheunmeun
- Zinoo System
- Address:BrownStone Junggye# 412 Junggye2 dong 506
- ICK Co., Ltd.
- Address:
- HARRY eyewear
- Address:1 Hwayang-dong
- Korea Industrial Company
- Address:1100-3 Chimsan 1dong
- Hanseo Co., Ltd.
- Address:266,Nowon 3-ga ,Buk-gu
- DK-OPTICAL
- Address:jae ki dong 67-382
- Sam Woong Corp.
- Address:62-11,Nowon 3-ga ,Buk-gu
- Samil Enterprise Co.
- Address:1503 Kukje Officetel Bldg.,Sincheon 4-dong ,Dong-gu
- Chemiglas Corp.
- Address:25-61,Yusan-dong ,Yangsan-si
- eve2u
- Address:102-1301 Byeucksan Aster, Onchoen1-dong,
- DS Silicone
- Address: