Wiersum Winschoten:

Head office / Administration: Zeefbaan 28, 9672 BN  Winschoten, The Netherlands
Post address: P.O. Box 8, 9670 AA  Winschoten, The Netherlands
tel: +31 (0)597 412 851
fax: +31 (0)597 418 627
email: info@wiersum-plantbreeding.nl
KvK Groningen: 02043861

Wiersum Dronten:

Plantbreeding Station: Rendierweg 10, 8251 PD  Dronten, The Netherlands
Post address: P.O. Box 94, 8250 AB  Dronten, The Netherlands
tel: +31 (0)321 312 143
fax: +31 (0)321 315 211
email: info.dronten@wiersum-plantbreeding.nl
KvK Groningen: 02043861