- DOOSAN DONG-A PRINTING
- Address:475-1, Mongnae-dong, Danwon-gu
- Sangwoo Stationery Co.,Ltd.
- Address:497-3,Gajwa-dong ,Ilsan-gu, Goyang-si
- Jisan Cellular Products Co., Ltd.
- Address:
- Monami Co.,Ltd.
- Address:7F, Monami Bldg., 125-20, Cheongdam-dong, Gangnam-gu
- UNB IRS
- Address:
- POLYTECH & NET CO LTD
- Address:912 Hansol Central Park2, Burim-Dong
- Dong-A Pencil Co., Ltd.
- Address:290-35,Daehwa-dong ,Daedeok-gu
- C&H Creative Co., Ltd
- Address:154-8,Samseong-dong ,Gangnam-gu
- Han Kook Sharp Co., Ltd.
- Address:106,Geumho-eup ,Yeongcheon-si
- Novatec Inc.
- Address:503 E & C DREAMTOWER 8TH 327-27
- Boardpoint
- Address:78, Jingeonuhoe-ro, Jingeon-eup
- VULITE Screen Materials
- Address:Sihwa industrial park 2-418jungwang-Dong1362-3
- ROOTS COMPANY CO LTD
- Address:# 201, 233-8 JAMSHILBON-DONG, SONGPA-GU,
- SungBo Industrial Ink Co., Ltd.
- Address:Shiwha Ind. Cmplx.1da402-1block
- Guju Technology,Inc.
- Address:
- Redgiant Inc.
- Address:RM.406~409, Korea Tech-On B/D, 715 Gasan-dong
- i-gene enterprise
- Address:1407 Samsung Anytel, 837-17 yeoksam-dong
- Adwin Korea Corp.
- Address:747-22 Yeoksam-dong,Yeoksam-dong ,Gangnam-gu
- Printec Co.,ltd
- Address:370-1 Gwascheondong
- TN core
- Address:# 707, 50-3, Gasan-dong