- Tpc Co., Ltd.
- Address:120-3,Seonhwa-ri ,Jillyang-eup ,Gyeongsan-si
- Glucan Corporation
- Address:Room221,Gwaebeop-dong ,Sasang-gu
- John & Eundong Co., Ltd.
- Address:914 Bojeong-dong, Giheung-gu
- Sein Medex Co., Ltd
- Address:107-7,Bangi-dong ,Songpa-gu
- KCI Limited
- Address:9th Floor, IT Castle II, 371-16, Gasan-Dong, Geumcheon-Gu
- zabee
- Address:Ahyundong
- Atosafe
- Address:222-7, Guro 3 (sam) -dong, Guro-gu
- Jnk Science.,Ltd
- Address:# 402 Jung-Jin Bldg, Bang-Bae Dong Seo-Cho Gu
- DAEDUK POLYMER CO., LTD.
- Address:603, DAEPYOENG BLDG, PILDONG RO 14, JUNG-GU
- Se Young Oil & Chemical Co.
- Address:948-14,Gamjeon 1-dong ,Sasang-gu
- Feel Korea . Com
- Address:# 1024-13, Mansu 6-dong, Namdong-gu
- Sina BT
- Address:71B-3L, Namdong Industrial Complex# 640-2, Gojan-dong, Namdong-gu
- Modth Co.
- Address:Haeundae-gu Jung 1-dong
- BNF co.
- Address:Low Building 203-1, 511 Sangdo-Dong, Dongjak-Gu
- Taechang Corporation
- Address:IT Castle 1-1209, 550-1 Gasan-Dong, Geumcheon-Gu
- Celltrion Orchem Co., Ltd
- Address:1Ma-311,Sihwa Industrial Complex,Jeongwang-dong ,Siheung-si
- Hanvit Chemical Co., Ltd.
- Address:770,Yongseong-ri ,Samseong-myeon ,Eumseong-gun
- Oxy Co., Ltd.
- Address:15fl,Dacom bldg, 706-1,Yeoksam-dong ,Gangnam-gu
- AJU
- Address:381-1, sangpyung-ri, okgu-eup,
- AEKYUNG INDUSTRIAL CO LTD
- Address:# 83 Gurodong Gurogu