- Sung Geun Inc.
- Address:Jeonpo-Dong
- XENICS
- Address:Rm 902 Elite B / D 44-32 Yoidodong
- Hankuk Electric Glass Co., Ltd.
- Address:150,Gongdan-dong ,Gumi-si
- PROSCO
- Address:64-2 Jung-li dong, seo-gu
- HONEST TECHNOLOGY CORP.
- Address:Kyung-Dong Bldg, 5F, 906-5 Jijok-dong, Yuseong-gu,
- Luck Technology,Inc.
- Address:#516, Yonsei Univ. Medical Center, Sinchon-dong ,Seodaemun-gu
- Eugentek Corporation
- Address:82-29,Mullae-dong 3-ga ,Yeongdeungpo-gu
- Diart Co., Ltd.
- Address:Samjung-dong
- G.T.K
- Address:Rm# 102, Sungho-Buld. 69-14, Samjeon-Dong, Songpa-Gu, Po Box: 138-838
- DPAMS Co.,Ltd
- Address:392-1, Gocheon-dong
- UNI Marketing
- Address:120-8 Yangjae-Dong, Seocho-Gu
- INANO TND
- Address:5F, ChengAm Bldg. , 238-19
- KINTRADE
- Address:26-4 Gongduckdong, 3rd floor, Mapogu
- SELNIX CO.,LTD
- Address:# 303 Kyoung-il BL. , 299-13, 3 Dong, Seoung-su 2Ga, Seoung-dong Gu, Seoul, Korea
- Thera M&C
- Address:Seochogu Yangjaedong 326-2 4th fl.
- Cheil Glass Ind. Co., Ltd.
- Address:691,Gojan-dong ,Namdong-gu
- worldhometech
- Address:3Fl. 194-2, Garak-dong, Songpa-gu
- Drum Technology
- Address:670-1 Guol-Dong, e-one bldg
- F4 trading
- Address:Rm. 1107, 496-3dongyang leshuvill, uijeongbu-dong
- HaeDong Ceramic Co.
- Address:681-13, 14, Sukfo-Ri