WorkVenture gives you an inside look at what it's like to work at O.P.T. GROUP Co., Ltd., office & team photos, reviews and more. This is the O.P.T. GROUP Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at O.P.T. GROUP Co., Ltd..Apply to Thai ObayashiApply to ToyotaApply to Baker & McKenzieApply to Banmae intertrade