WorkVenture gives you an inside look at what it's like to work at Greatest Automation Service Co., Ltd., office & team photos, reviews and more. This is the Greatest Automation Service Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Greatest Automation Service Co., Ltd..Apply to Bangkok BankApply to Passion FruitApply to Hino MotorsApply to WorkVenture Technologies