• Boehringer Ingelheim International GmbH
• Zoetis Inc.
• Elanco Animal Health Inc.
• Merck & Co. Inc.
• Virbac
• Vetoquinol SA (Soparfin SCA)
• Sequent Scientific Limited
• Phibro Animal Health Corporation
• Febbrica Italina Sintetici S.P.A. (Nine Trees Group S.p.A)
• Excel Industries Limited