1. Aratana Therapeutics Inc. by Elanco Animal Health Inc.
2. Boehringer Ingelheim International GmbH
3. Dechra Pharmaceuticals PLC
4. Hester Biosciences Limited
5. Huvepharma Inc.
6. Indian Immunologicals Ltd.
7. Merck & Co. Inc.
8. Neogen Corp.
9. Nutreco N.V.
10. Perrigo Company plc
11. Sanofi-Aventis Groupe S.A.
12. Vesper Group
13. Vetoquinol S.A.
14. Virbac S.A.
15. Zoetis Inc.