DVS - Deutscher Verband für Schweißen und verwandte Verfahren e.V. - the DVS a technology and science oriented non-profit organization based in Düsseldorf, Germany. The DVS is leading when it comes to questions about joining, cutting and coating metalic and non-metalic materials and material combinations. It is independant and works on behalf of the members and for the welfare of the German economy.
EWA - European Welding Association - the EWA is an industrial association, in which manufacturers of welding equipment and welding consumables from all over Europe and associations from the welding industry join together.
TheAmerican Welding Society (AWS) was founded 1919 as a non-profit organization with the goal to advance the science, technology and application of welding and related joining disciplines. The AWS is the US equivalent to the DVS in Germany.