WorkVenture gives you an inside look at what it's like to work at Tharn Petch Patana Co., Ltd., office & team photos, reviews and more. This is the Tharn Petch Patana Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Tharn Petch Patana Co., Ltd..Apply to PTTApply to park&gardenApply to Asia Business NetworkApply to Manulife