Aalberts Surface Treatment GmbH
Akzo Nobel N.V. Axalta Coating Systems Ltd. Henkel AG & Co. KGaA
Hentzen Coatings Inc. IHI Ionbond AG
Mankiewicz Gebr. & Co. (GmbH & Co. KG)
PPG Industries Inc. Saint-Gobain S.A. The Sherwin-Williams Company and Zircotec Ltd.