The Portolos family got into the mining business in 1914. True to the family legacy, the company prioritized R&D and managed to develop products for practically all magnesite applications known to date. They offer a wide range of application-specific grades of Caustic Calcined Magnesia, Deadburned (Sintered) Magnesia, Magnesium Carbonate (Raw Magnesite) & Basic Monolithic Refractories for a host-lot of industries; from iron & steel, mining & metallurgy to manufacturing, construction, and the environment. Grecian Magnesite’s expertise and attention result in products, which lead their field in the consistency of their chemical and physical properties. Quality of products and integrity of the operations have paid off in customer satisfaction and a leading position in international markets.