Samsung Electronics
Samsung Electro-Mechanics
Cheil worldwide
Samsung Life Insurance Co., Ltd.
Posco
LG Electronics
Hyundai Motor Company
Hyundai Card Corp.
Hyundai Mobis
LG Leadership Academy
CJ Human Resources Development
CJ ENM O Shopping
CJ Research Center
Lotte Group
Lotte Shopping Co., LTD.
Korea Electric Power Corporation
Korea Hydro and Nuclear Power Co., Ltd.
Korea Electric Power Corporation KPS
LG Chem, Ltd.
CJ Hello
Kolon Sport
Yulchon LLC.
Shin & Kim
McDermott
DLA Piper
Mayerbrown JSM
Ernst & Young Global Limited
SK Magic
Donghee Holdings
Korea University Anam Hospital
Myongji Hospital
Samsung Medical Center
Asan Medical Center
Bristol-Myers Squibb
Jeil Pharmaceutical Co., Ltd
Kyobo Life Insurance Co., Ltd.
Samil PwC
Hanwha Group
INI STEEL
Intel, Lucent Technology
Seoul National University
SK Communications
BAYER KOREA Ltd.
Wyeth
MSD Korea LTD.
Merritt-Burson Marsteller
DB HiTek
Yonsei University
McDonalds
SBS
YTN
Munhwa Ilbo
Moneytoday
JTBC
Financial News
Newspim
Asia Business Daily Co., Ltd.
Dong-A Ilbo
Deutsche Bank
Herald
NH INVESTMENT & SECURITIES CO.,LTD.
MIRAE ASSET DAEWOO.CO., LTD.
Samsung Securities Co., Ltd.
CME
JP Morgan
Bloomberg
MOTOROLA Korea
Oracle Korea
Intel
KT Corporation
SK Broadband Co., Ltd.
KT Freetel Co., Ltd.
GS E&C Corp.
Diageo
Edelman Korea
Fusion Korea
Ocean Way East
Philip Morris
Johnson & Johnson Korea
Marykay Korea
Gore Korea
Facebook
Allegan
Seoul Metro Line9 Corporation
Nu Skin
Coca-Cola Korea
Miradry
LENZING Korea
T.G.I Fridays
SIEMENS
Teradata
Youtube
Delcam