| 2023 | Triestingtaler Briefmarkensammler Verein Hirtenberg | Hirtenberg | Austria |  |
| 2023 | Klub filatelistu 04-01 | Liberec | Czech Republic |  |
| 2023 | Circolo Filatelico “Giacomo Puccini” | Viareggio | Italy |  |
| 2023 | Royal Tunbridge Wells Philatelic Society | Royal Tunbridge Wells | United Kingdom |  |
| 2022 | Marke & Munze Graz (Stamp & Coin Graz) | | Austria |  |
| 2022 | Club philatélique Conflanais (Conflans Philatelic club) | | France |  |
| 2022 | F.E.A. (Philatelic Society of Athens) | | Greece |  |
| 2022 | Circolo Filatelico (Philatelic Circle) “Tres Tabernae” – Cisterna di Latina | | Italy |  |
| 2022 | Uddingston Stamp and Postcard Group | | United Kingdom |  |
| 2021 | Odbornà společnost KOSMOS | | Czech Republic |  |
| 2021 | Verein für Briefmarkenkunde Frankfurt am Main von 1878 e.V. | Frankfurt am Main | Germany |  |
| 2021 | Unione Filatelica Subalpina | Turin | Italy |  |
| 2021 | Southampton and District Philatelic Society | Southampton | United Kingdom |  |
| 2020 | ČeskoMoravská Společnost pro Poštovní Historii | | Czech Republic |  |
| 2020 | Verein Siegburger Briefmarkenfreunde e.V. | Siegburg | Germany |  |
| 2020 | Collezionisti Italiani di Francobolli Ordinari, CIFO | | Italy |  |
| 2020 | Leeds Philatelic Society | Leeds | United Kingdom |  |
| 2020 | Internetowe Koło Filatelistów i-KF | | Poland |  |
| 2020 | ABPS News | | United Kingdom |  |
| 2019 | Verein für Briefmarkenkunde Bensheim | Heidelberg | Germany |  |
| 2019 | Associazione Filatelica Numismatica Scaligera | Verona | Italy |  |
| 2019 | Zainteresowań PZF „Kolejnictwo” im. Ernesta Adama Malinowskiego | Warsaw | Poland |  |
| 2019 | Koroško filatelistično društvo
| Ravne na Koroškem | Slovenia |  |
| 2019 | Grupo Filatélico y Numismático de Tenerife | Tenerife | Spain |  |
| 2019 | Stamp Active Network | | United Kingdom |  |
| 2018 | Associazione Italiana Storia Postale, AISP | | Italy |  |
| 2018 | Stavanger Filatelist-Klub, SFK | Stavanger | Norway |  |
| 2018 | National Club of Collectors of the Registration Labels and Stamps | | Poland |  |
| 2018 | The Philatelic Society of Ljubljana | Ljubljana | Slovenia |  |
| 2017 | International Estonian Philatelic Society (REFS) "Estonia" | Tallinn | Estonia |  |
| 2017 | Briefmarkensammlerverein Lutherstadt Wittenberg | Wittenberg | Germany |  |
| 2017 | The Czechoslovak Philatelic Society of Great Britain | | United Kingdom |  |
| 2017 | Associazione Italiana Collezionisti Posta Militare | | Italy |  |
| 2016 | Filatelistično društvo Lovro Košir Škofja Loka | Škofja Loka | Slovenia |  |
| 2016 | Philcolux – Association Luxembourgeoise de Philatélie Constructive | Luxembourg | Luxembourg |  |
| 2016 | MAFITT, Hungarian Scientific Society for Philatelic Research | Budapest | Hungary |  |
| 2016 | Briefmarken-Sammlerverein Heidelberg und Rohrbach 1891 e.V. | Heidelberg | Germany |  |
| 2016 | Keski-Suomen Filatelistiseura | Jyväskylä | Finland |  |
| 2015 | Club Filatelico Lugano | Lugano | Switzerland |  |
| 2015 | Grupo Filatélico Avilesino | Avilés | Spain |  |
| 2015 | Circolo Filatelico Bergamasco | Bergamo | Italy |  |
| 2015 | Briefmarken-Sammler Verein Gotha 1890 e.V. | Gotha | Germany |  |
| 2015 | Philatelic Society of Sofia „Petko Karaivanoff“ | Sofia | Bulgaria |  |
| 2014 | Klub Zainteresowań Pzf Święty Gabriel | | Poland |  |
| 2014 | Klub Filatelistů, Sběratelů Specializovaných Oborů, 00-15 Praha | Praga | Czech Republic |  |
| 2014 | Djurslands Filatelistiske Højskole | Mørke | Denmark |  |
| 2013 | Associação de Coleccionismo do Vale do Neiva | | Portugal |  |
| 2013 | Briefmarkenfreunde Heidenheim e.V. | Heidenheim | Germany |  |
| 2013 | Centro Italiano di Filatelia Tematica | | Italy |  |
| 2013 | Amicale philatélique de l’Est – Belfort, APHIEST | Belfort | France |  |
| 2013 | Dansk Posthistorisk Selskab, DPHS | | Denmark |  |
| 2012 | Unione Italiana Collezionisti Olimpici e Sportivi, UICOS | Rome | Italy |  |
| 2012 | Postal History Committee – Hungarian Stamp Federation, Mabeosz | | Hungary |  |
| 2012 | Briefmarken- und Münzensammlerverein – Gmunden | Gmunden | Austria |  |
| 2011 | Sociedad Filatélica y Numismática Granadina, SFNG | Granada | Spain |  |
| 2011 | Filatelistično društvo Maribor | Maribor | Slovenia |  |
| 2011 | Vejle Frimærkeklub | Vejle | Denmark |  |
| 2010 | Associazione Filatelica Italiana “Alberto Diena” | Rome | Italy |  |
| 2010 | Philatelisten-Club Berlin-Mitte e.V. | Berlin | Germany |  |
| 2010 | Jihlava Philatelic Club | Jihlava | Czech Republic |  |
| 2009 | Sociedad Filatélica de Madrid, SOFIMA | Madrid | Spain |  |
| 2009 | Verein Soester Briefmarkenfreunde | Soest | Germany |  |
| 2009 | Association Française de Philatélie Thématique | | France |  |
| 2008 | Trollhättan Philatelic Society | Trollhättan | Sweden |  |
| 2008 | Kjøbenhavns Philatelist Klub, KPK | Copenhagen | Denmark |  |
| 2008 | Österreischerischer Philatelistenklub Vindobona | Vienna | Austria | |
| 2007 | Circolo Filatelico VASTOFIL | | Italy |  |
| 2007 | Poststempelgilde | | Germany |  |
| 2007 | Sociedad Filatelica Sevillana | Sevilla | Spain |  |
| 2006 | Briefmarken-Club Hannover von 1886 | Hannover | Germany | |
| 2006 | Philatelic Society of Egypt | | Egypt | |
| 2006 | Croatian Philatelic Society | | Croatia | |
| 2005 | Philatelic Club 06-22 “Alfons Mucha” | | Czech Republic | |
| 2005 | Hellenic Philatelic Society of Thessaloniki | Thessaloniki | Greece |  |
| 2004 | Verein fur Philatelie und Postgeschichte Solingen 1903 | Solingen | Germany | |
| 2004 | Philatelic Club 06-05 of Kroměříž | Kroměříž | Czech Republic | |
| 2001 | Philatelistisch Gesellschaft Graz | Graz | Austria | |
| 2000 | Philatelic Society Briefmarkenfreunde | Düsseldorf | Germany | |
| 2000 | Hellenic Philatelic Society | | Greece |  |
| 2000 | Philatelic Society of Žďár | Žďár | Czech Republic | |
| 1999 | Slovenian Philatelic Association | | Slovenia | |
