| Biomin, Austria |
Joosten products B.V., Holland |
| Sloten B.V., Holland |
KRKA, Slovenia |
| CJSC Nita-Farm, Russia |
Jurgen Kruuse, Denmark |
| Nutrifeed, Holland |
S.A. Trisal, Spain |
| Ceva S.A., France |
Albert Kerbl GmbH, Germany |
| OJSC Sintez, Russia |
DLF Trifolium, Denmark |
| Vitamex, Belgium |
Pfizer, USA |
| Bayer, Germany |
Alltech, U.S.A. |
| Biochem, Germany |
Cargill, Germany |
| Biowet, Bulgaria |
Neolait, France |
| Hamlet Protein A/S, Denmark |
Brenntag, Poland |
| Norbrook, Great Britain |
Hansen Chr. A/S, Denmark |
| Lohmann Animal Health GmbH & Co.KG, Germany |
LNB Poland, Poland |
| Inntaler, Germany |
Invesa, Spain |
| CJSC Mosagrogen, Russia |
Bremer Pharma, Germany |