Founded in 1973 as a specialty refractory-shape sales company, Reuning-McKim, Inc. now manufactures telescopic oxygen lances and supplies rice hull ash for steelmaking. The company pioneered rice hull ash as a ladle and tundish insulator in North America in 1981, then introduced telescopic lances in 1994. Based in Saxonburg, Pennsylvania, it supports customers across 11 countries on four continents with dedicated storage and logistics for uninterrupted supply.