| Public
Agencies |
| Ministry
of Government Administration & Home Affairs |
| Ministry
of Information & Communication |
| Ministry
of Justice |
| Seoul
Metropolitan Government |
| Korea
Customs Service |
| National
Tax Service |
| 16
Major Provinces and Cities Government |
| 4
Major Social Insurances |
| Health
Insurance Review Agency |
| Institute
of Information Technology Assessment |
| Electronics
and Telecommunications Research Institute |
| KTNET |
| Korea
Highway Corporation |
| Coal
Industry Promotion Board |
| |
| |
|
|
| Financial
Group |
| Korea
Financial Telecommunications & Clearings
Institute |
| Korea
Securities Computer Corp |
| Ministry
of Commerce & Industry |
|
Bank of Woori |
|
Bank of Pusan |
| Standard
Chartered First Bank Korea |
| Samsung
Card |
| LG
Investment & Securities |
| Metlife
Korea |
| Mirae
Asset Securities |
| Samsung
Fire & Marin Insurance |
| Kookmin
Bank Card |
| Lotte
Card |
| |
| |
|
|
| Corporations |
| Korea
Information Certificate Authority |
| Korea
Electronic Certification Authority |
| Yonhap
News |
| Samsung
Electronics |
| Samsung
SDS |
| LG
Electronics |
| LG
Siltron |
| LG
CNS |
| POS
DATA |
| Hyundai
Petrochemica |
| Hyundai
Information technology |
| Ssangyong
Information & Communications |
| Tonyang
Systems |
| KCC
Information & Communication |
| Fujitsu
Korea |
| Shinwon
Information Technology |
| |
| |
|
|
| Telecommunications
and others |
| SK
Telecom |
| KTF |
| LG
Telecom |
| DACOM |
| Soonchunhyang
Univ |
| Dongyang
Technical College |
| FEELink |
| Daou
Tech |
| Moorim
Electronics &Communication |
| InfoBANK |
| Doori
Internet |
| Amway |
| ITPlus |
| Hanul
Information |
| Donga
Seetech |
| SysOne |
| PimsTech |
|
|
| |
|
