Below is a list of Graphite Electrodes manufacturers from Denver, Pennsylvania. Graphite electrodes are thick rods of graphite that are used primarily in electric arc furnaces in order to conduct high amounts of thermal energy. Electric arc furnaces are basically large recycling machines or melting pots for scrap steel parts such as automobile parts, mechanical parts from aerospace and transportation, old appliances such as refrigerators and other steel scrap left over from manufacturing processes.