WorkVenture gives you an inside look at what it's like to work at Vongsayam Construction Co., Ltd., office & team photos, reviews and more. This is the Vongsayam Construction Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Vongsayam Construction Co., Ltd..Apply to V MIX EVENTApply to ZenithsoftApply to URCApply to Phatra Securities PCL.