Umay Zeytinyağı Dış Ticaret LTD ŞTİ - OliveOilsLand® - The World's Largest Olive Oil Producer and Long-Lasting Exporter OliveOilsLand® is one of the Turkey's largest Olive Oil Supplier. The world is sent a decent piece of Turkish olive oil. The huge olive oil products and bootstraps from a wide range of countries depend on the price and volume of their olive oil.