WorkVenture gives you an inside look at what it's like to work at Sumitomo Corporation (Thailand) Ltd., office & team photos, reviews and more. This is the Sumitomo Corporation (Thailand) Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Sumitomo Corporation (Thailand) Ltd..Apply to WCGApply to International ServiceApply to MEDEL MedicalApply to Infotronics