WorkVenture gives you an inside look at what it's like to work at Greatwall Drilling Company (Thailand) Ltd., office & team photos, reviews and more. This is the Greatwall Drilling Company (Thailand) Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Greatwall Drilling Company (Thailand) Ltd..Apply to Thonburi PhanichApply to AndovarApply to PepsicoApply to WV