- NANOBASE, INC
- Address:Gasan-dong, Gumcheon-gu
- Covis Optic Co., Ltd.
- Address:922-1,Samcheong-ri,Okcheon-eup ,Okcheon-gun
- G2 Optic Co., Ltd.
- Address:
- Microptics Co.,Ltd.
- Address:5F, Yunmin Techno Town, 473-4, Bora-dong, Giheung-gu,
- AIJOARA
- Address:
- Infrared System Co., Ltd.
- Address:#302~303, GL Richvil 760-1, Hangshing-dong, Duckyang-gu
- AGoptics
- Address:731-8 Ancheong Dong, Gwansan-Gu
- Optron-Tec. Inc.
- Address:Paryong-dong,Paryong-dong ,Changwon-si
- Sekonix Co., Ltd.
- Address:146-16, Sangbongarm-Dong
- DREAMCON CO., LTD.
- Address:# 469-1 Sanmak Dong
- Sectron Co., Ltd
- Address:120-1, Dongsun Bldg, Chunui-dong, Wonmi-gu
- Mega Power
- Address:C-403 Hiberass 1062, Gyesandong
- Seoul Precision Opics
- Address:120-1 Chobu ri
- Havit Information Co., Ltd.
- Address:59-3,Jang-dong ,Yuseong-gu
- Medizs
- Address:702, Tamnip-dong
- Micro Optics Co., Ltd
- Address:473-4 Bora-ri, Giheung-gu, Yongin-si
- miottica korea co., LTD.
- Address:84 Gajwa-Dong, Ilsanseo-Gu, Goyang-City, Gyeonggi-Do, KOREA
- Sambo Hi Tech Co., Ltd.
- Address:616-15, Gansuk4-Dong, Namdong-Gu
- Park Systems Corp.
- Address:906-10,Iui-dong ,Yeongtong-gu, Suwon-si
- I&G
- Address:Daewha B / D 5F, Sunwha dong 140-22, Jung gu