| Código | Nombre |
| ??? | Desconocida |
| ABK | ABEREKIN S.A. |
| ABS | ABS PROGENEX |
| ACS | ALINA DE CASTRO |
| AGR | AGROMARKET |
| ALB | ALBAITARITZA S.A. |
| ASC | ASCOL |
| ASG | ASTURGEN S.L. |
| BAS | BAS S.L.IMPORT/EXPORT |
| CIP | COMERCIO INTERNACIONAL PECUARIO SL |
| CRI | CRI ESPAÑA - EURO DISTRIBUCIÓN GANADERA |
| CRV | CRV |
| CTV | CENSYRA-TORRELAVEGA |
| DIS | DISTRIGEN HOLSTEIN S.L. |
| EBK | EMBRIOMARKET |
| EDS | EURODISTRIBUCION GANADERA S.L. |
| EFP | EURO FOMENTO PECUARIO S.A. |
| EVO | EVOLUTION IBERICA XY S.L. |
| FEF | FEFRICALE Sociedad Genética SL |
| GCS | GANADERÍA O CASTRO S.L. |
| GEN | GENETICAL SDAD.COOPERATIVA |
| GLO | GLOBAL GENETICS S.L. |
| GSU | GENEXSUR S.C. |
| HGS | HOLLAND GENETICS |
| LYF | DISTRIBUCIONS LYF VIC SL |
| NRS | NRS |
| NUT | NUTRI LINE SL |
| OHG | OSNABRÜCKER HERDBUCH E.G. |
| PGX | PROGENEX S.L. (COD. ANTIGUO) |
| PLT | PLANET AGRICOLE S.L. |
| RAM | R.AMORIM & CA LDA |
| RPN | R.P.N. |
| SEL | SEMENTALES SELECTOS S.A. |
| SMX | SEMEX ESPAÑA S.A |
| TRG | TRIANGLE HOLSTEIN S.L. |
| VSE | VALDICIO SIRES ESPAÑA S.L. |
| WWS | WWSIRES-GENESUSA |
| XF | XENETICA FONTAO S.A. |