Public Sector
  • Busan Marine affairs and Fisheries Office
  • Electronics and Telecommunications Research Institute
  • Incheon Marine affairs and Fisheries Office
  • Korea Computerization Agency
  • Korea Consumer Protection Board
  • Korea Food & Drug Administration
  • Korea Forest Service
  • Korea Information Security Agency
  • Korea National Tourism Organization
  • Korea Occupational Safety & Health
  • Korea Research Institute of Standards and Science
  • Korea Work Information Center
  • Local City Hall(Busan, Yongin, Uijungboo)
  • Ministry of Construction & Transportation
  • Ministry of Maritime Affairs & Fisheries
  • National Library of Korea
  • National Health Insurance Corporation
  • National Computerization Agency(NCA)
    • Education Sector
  • BusanNam-gu Educational Organization
  • GyeongangNam-do Educational Organization
  • Intranet for 150 number of elementary/middle/high schools in Inchoen, etc.
  • KAIST(SIPAC), KAIST(Semi-conductor design center)
  • University: Daecheon University, Daeduk University, Dongguk University,
    Dongshin University, Keimyung University, Mokpo University,
    Mokwon University, Hanyoung University, Joongbu University
    • Private Sector
  • Kangwon Land Co.(Family Resort Service)
  • Montessori Korea, etc.
    • Overseas
  • Malaysia
  • China, etc