WorkVenture gives you an inside look at what it's like to work at OPERATIONS EXCELLENCE SERVICES Co., Ltd., office & team photos, reviews and more. This is the OPERATIONS EXCELLENCE SERVICES Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at OPERATIONS EXCELLENCE SERVICES Co., Ltd..Apply to ราชกรีฑาApply to FamilyMartApply to Thai ObayashiApply to Fast ship