1. Cargill Incorporated.
2. Royal DSM N.V.
3. Elanco Animal Health Incorporated.
4. Boehringer Ingelhem Group.
5. Merck & Co. Inc.
6. Archer Daniels Midland Company.
7. Bluestar adisseo company.
8. Alltech Corporation.
9. Evonik Industries AG.
10. Vetoquinol S A.