- SiSNET Co.,Ltd.
- Address:14F SJ Technoville 60-19, Gasan-Dong, Geumcheon-Gu
- Ganong Int'L Corp.
- Address:Rm 201, Samwoo Bldg., 1-7, Nonhyeon-dong, Gangnam-gu
- Macs Plus
- Address:haan-dong 302-5
- PAYWAY CO.,LTD
- Address:
- Hanchang System Corp.
- Address:1058-2, Shingil-dong, Danwon-gu,
- E2S
- Address:332-34 Gochun-Dong
- Witek System
- Address:3Fl, BumA Bldg. 66-5, Yangjae-dong, Seocho-gu
- Bootwin Embedded Technology
- Address:810-1, Byuksan Digital II, 481-10, Gasan-dong, Geumcheon-gu
- TRICOS CO LTD
- Address:1271-11 Sa-dong, Sangrok-gu