Parex USA, Inc., a California Corporation, is a subsidiary of the ParexGroup, a division of Materis, S.A., a French Corporation. The ParexGroup is one of the world's leading manufacturers of specialty chemicals and ready-to-use mortars for the construction industry. With over 53 manufacturing sites in 19 countries the ParexGroup employs more than 2,700 industry professionals who are the corner stone of this thriving global organization.