| Breeding Association / Institution | Web | Country |
| Associazione Allevatori Apis mellifera siciliana. | apicolturaamodeo@libero.it or sergiosap@live.it | Italy |
| COLOSS (Prevention of honey bee COlony LOSSes) Network | www.coloss.org | International |
| Deutscher Imkerbund | www.deutscherimkerbund.de/ | Germany |
| AG Toleranzzucht | www.toleranzzucht.de/en/home/ | Germany |
| EcoBee (Еко пчела) | http://ekopcela.blogspot.com/ | Macedonia |
| Union of Macedonian Associations of Beekeepers | Macedonia | |
| Macedonian association for conservation of Apis mellifera macedonica (MacBee) | www.macbee.org | Macedonia |
| Beekeeping Organisations (Danmarks Biavlerforening) | www.biavl.dk/ | Denmark |
| Croatian beekeeping association | Croatia | |
| Croatian queen breeding association | Croatia | |
| University of Applied Science „Marko Marulic“ | Croatia | |
| Croatian Agricultural Agency | Croatia | |
| Hellenic Entomological Society | www.entsoc.gr/site/index.php?lang=en | Greece |
| Hellenic Institute of Apiculture | www.hellenic-beeresearch.gr/index.php | Greece |
| Federation of Greek Beekeepers’ Associations | www.omse.gr/eng/index.php | Greece |
| Associazione Italiana Allevatori Api Regine (Italian Association of Queen Breeders) | www.aiaaregine.com | Italy |
| Albo Nazionale Allevatori Api Italiane (National Registry of Italian Bee Breeders) | www.cra-api.it | Italy |
| Polish Bee Research Association | Poland | |
| Polish Beekeeping Association | http://zwiazek-pszczelarski.pl/ | Poland |
| National Centre for Animal Breeding | www.kchz.agro.pl/ | Poland |
| Ministry of Agriculture and Rural Development | www.minrol.gov.pl/eng/ | Poland |
