- KOREA STATIONERY INDUSTRY COOPERATIVE
- Address:Korea Stationery Center, 186-33, Jangchung-dong 2-ga, Jung-gu
- T. E. Solutions Inc.
- Address:512 Hansol Technotown,16-1, Dangjeong-dong
- Veloce Technology Co.,ltd
- Address:47, Songjung-dong, Heungduk-gu, cheongju-city, chungbuk, Korea
- Nexcon Technology
- Address:Yobang-Ri 303-1 Sunggeo-Eup
- Yuil FA System
- Address:
- Distec Corp. LTD.
- Address:2f,2477, Bong-myeong 2 Dong, Heungdoek-gu
- INTEGRA TELECOM
- Address:6f, Hwayoung-Bldg, Garak-Dong, Songpa-Gu, Seoul, Korea
- Dongyoung Media Co., Ltd.
- Address:424 Dangjeong-Dong
- Kim Hong gyum
- Address:gwang an-4dong
- kbell co
- Address:GASANDONG 345-90, HALLA SIGMA VALLY703,
- Edutige Corp.
- Address:# 613 Baeksang B / D, 35-2, Yeouido-dong, Yeungdeungpo-gu
- Antenna Tech, Inc.
- Address:219-2,Gakhwa-dong ,Buk-gu
- Ebenezer Industries
- Address:1-402 ma ma vila, 1781-66, nam gu
- DSME E&R Ltd.
- Address:F2, PANAM-TECHNOTOWN, 239-2, PANAM-DONG, DONG-GU, DAEJEON, 300-130, KOREA
- Sogno works
- Address:Rm1, Jindo, B / D B1, 37 Dowha-dong, Mapo-gu
- J&HR
- Address:#735-6, Teheran-ro 14gil, Gangnam-gu
- ECHO Microwave
- Address:# 105, Jungja-dong 219-2,
- CREATON. CO.,LTD.
- Address:garak 80
- Sys Works Co., Ltd.
- Address:530-1,Gajwa-dong ,Seo-gu
- Sl Acoustic Co.,Ltd.
- Address:596-4,,5,8,9,Geumseung-ri, Tanhyeon-myeon, Paju-si