Ohio Paperboard Corporation is one of the industrial mills operated by The Newark Group, which is one of the leading companies that specializes in the collection of secondary fibers throughout the world. Founded in 1912, the group also manufactures and converts recycled paperboard. It specializes in the areas of recovered paper and graphic board, as well as tube, core and allied products. The Newark Group operates more than 10 recovered paper plants and paperboard mills in North America. Additionally, the group offers roll wrap, heat seal equipment, core plugs, roll headers, and packaging and paper mill supplies. It serves the film, metal, cloth and flooring markets. Ohio Paperboard Corporation is located in Baltimore.