- Orios Vision
- Address:# 537 Eunheang Plaza. Rm 603, Daeya-Dong,
- La Bijouterie
- Address:Champs Elysees Building, Daechi Dong
- WARYONG INDUSTRIES CO LTD
- Address:240, Munbong-dong, Ilsan-gu, Goyang-SI
- VAJRA CO., LTD
- Address:B1F. Woojin Bldg. , 558-9 Sinsa-dong
- Hahan10000
- Address:bupyeng-gu sankok-dong
- j&s jewelry
- Address:HUEHYUN 1 GA
- Pagoda International
- Address:334-5,Gil-dong ,Gangdong-gu
- MS-Korea
- Address:Gyulhyeon-dong
- LK Creation Co.,Ltd
- Address:219-33 Daejo-Dong Eunpyong-Gu
- Yeji Jewelry
- Address:614-3,Sinsa-dong ,Gangnam-gu
- Taehan Optical Enterprise Co., Ltd.
- Address:1149-1,Nowon 3-ga ,Buk-gu
- Lens Sara
- Address:70-1, Gimryangjang-dong, Cheoin-gu
- World Guyde
- Address:212 4
- Fairy Co., LTD
- Address:Hopyung-dong
- Apple technologies & trading
- Address:incubator Room# 201 GSBC, 906-5 yieudong youngtonggu
- DREAMWORLD
- Address:gwanpyung
- Optipia Co. , Ltd
- Address:267-6 Nowon 2 dong Bukgu Daegu
- Philip Optech., Co,. Ltd.
- Address:Room# 901, 103 Dong, 1305 Dong-Moon GoodMorning Hill, Back-Seok-Dong, ILsan-Dong Gu, Goyang SI, Kyoung-Gi, South Korea
- GOBLANK DESIGN
- Address:Gwanghui-dong 1-ga, Hyundai Bldg, #601
- Ocean Optical Co., Ltd.
- Address:56-3,Nowon 3-ga ,Buk-gu