OGLEBAY NORTON

silica sand; silica flour; desulphurizing slags, synthetic slags; slag conditioners; pre-cast refractory shapes used in steelmaking products, namely, dams, weirs, pads, baffles, nozzle rings and well blocks used in compositions for tundish coatings and liners, hot tops and exothermic topping compounds

brokerage services for raw materials and minerals for others

transportation services by ship for raw materials and minerals for others