FACITstamps - Webshop offering an extensive selection mint Sweden
Facit Förlags AB - Publisher of stamp catalogues for the Nordic countries
FFE Journal - Yearly book written by philatelic experts concerning fakes, forgeries and expertising
Nordia 2018 in Garðabær, Iceland, 8-10 June 2018
Malmex 2018 in Malmö, Sweden, 31 August - 2 September 2018
STOCKHOLMIA 2019 in Stockholm, Sweden, 29 May - 2 June 2019
Federation of European Philatelic Associations (FEPA)
Fédération Internationale de Philatélie (FIP)
The International Federation of Stamp Dealers Associations (IFSDA)
Association Internationale des Editeurs de catalogues de timbresposte, d'albums et de publications philateliques (ASCAT)
The Royal Philatelic Society London
Sveriges Frimärkshandlareförbund (Swedish Stamp Dealers Association)
Sveriges Filatelist Förbund (The Swedish Philatelic Society)
Malmö Filatelistförening
Danmarks Filatelist Forbund (The Danish Philatelic Federation)
Kjøbenhavns Philatelist Klub (Copenhagen Philatelic Club)
Frederiksberg Frimærke Forening
Norges Filatelist Forbund (The Norwegian Philatelic Society)
Föreningen Islandssamlarna
Islandsklubben i Göteborg
The Haiti Philatelic Society
Postmuseum in Stockholm
The National Postal Museum in Washington, D. C.
SAFE Album AB - Albums, catalogues and accessories
Collectia - Albums, catalogues and accessories
Martin Mörck - Stamp engraver, designer and artist