1. Bayer AG
2. BioChek BV
3. Biog?nesis Bag?
4. Boehringer Ingelheim International GmbH
5. Elanco Animal Health Incorporated
6. Heska Corporation
7. Hester Biosciences Limited
8. IDEXX Laboratories Inc.
9. Indian Immunologicals Ltd.
10. Intervet Inc.
11. Kareo Inc.
12. Merck & Co. Inc.
13. Sanofi-Aventis Groupe S.A.
14. Santa Cruz Biotechnology Inc.
15. Virbac S.A.
16. Zoetis Inc.