Accreditations Accredited National Association Supply Co-Operative for the Recycling Industry. Ohio Magnetics, Inc. is an accredited manufacturer of magnets/magnetic systems to the NASCO-OP membership. Industry Associations Association of Iron and Steel Technology Ohio Magnetics, Inc. is a long term manufacturing member of AIST. Institute of Scrap Recycling. Ohio Magnetics, Inc. is one of the founding manufacturing members of ISRI.