– Hewlett-Packard (Thailand) Ltd.
– Federal Express (Thailand) Ltd.
– Mission Hospital, Bangkok
– SMEs Incubation Center, Chulalongkorn University
– IELTS Thai Institution, Bangkok
– The School of Gemological Science (Thailand)
– Weeco Industry Co., Ltd.
– W.P. Creation Group Co., Ltd.
– MBK Center Co., Ltd.
– Siam Piwat Co., Ltd.
– Central Retail Corporation Co., Ltd.
– Pathumwan Princess Hotel, Bangkok
– SCB Asset Management Co., Ltd.
– Master of Science in Corporate Governance, Chulalongkorn University
– NECTEC
– Nation Multimedia Group PCL.
– Toyota Thonburi Co., Ltd.
– Sukhumvit Honda Automobile Co., Ltd.
– Facility Management, Tesco Lotus
– Novotel Fenix Silom Hotel, Bangkok
– Novotel Fenix Ploenchit Hotel, Bangkok
– Pullman Bangkok Hotel G
– Setsatian School, Bangkok
– Ayura Pinklady
– AXA Insurance PCL.
– Ajarn Prinn Co., Ltd.
– GoldCity Shoes
– Suzuki Ariyakij GP, Chiangmai
– Kosa Hotel, Khonkaen
and many more…