BG-TAS MARBLE & MINING CO. BG-TAS is one of the preferred manufacturer-exporter of natural Stone / Marble company in Turkey with it's marble and travertine quarries. BG-TAS took it's place in the global market with it's reliability, product-quality, technology, experienced and well-educated staff. Our mission is; improve Turkish economy via it's rich marble resources while giving the utmost importance to the environment and humanity. Our vision is, to be a symbol of quality in the global market and raise our success tendency, share the natural beauties with the world, which are given us from Earth.