Below is a list of Graphite Products manufacturers from Duluth, Minnesota. Graphite products are fabricated from machined graphite, carbon graphite or naturally occurring graphite.  As it is found in nature, and does not alter during manufacturing processes, graphite is shiny, dark to medium gray in color, brittle and electrically conductive. A wide range of industries use graphite in product formation and the type of graphite used will depend on the intended application of the product.