Gewasbescherming en zaaizaden
| BASF |
| Bayer Crop Science |
| Belchim |
| Certis Europe |
| Corteva |
| ADAMA |
| Nufarm |
| UPL |
| Syngenta seeds |
| Agriton |
| Agro Vital |
| Barenbrug |
| DLF.nl |
| euroCORN Benelux |
| KWS |
| Limagrain |
| MAS SEEDS |
| NK Syngenta zaden |
| CSAR, Rassenlijst Info |
| Herbicide Resistance Action Comm. (HRAC) |
| Fungicide Resistance Action Comm. (FRAC) |
| De Groot en Slot |
| Wiersum Plantbreeding |