WorkVenture gives you an inside look at what it's like to work at P.t.s. Concrete Co., Ltd., office & team photos, reviews and more. This is the P.t.s. Concrete Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at P.t.s. Concrete Co., Ltd..Apply to Siam and AsiaApply to SeaTechApply to Thai ObayashiApply to Tera S.E. Asia