The Italian Institute of Welding (IIS) aims at "promoting and encouraging in every field the development of welding and allied technologies, contributing to its knowledge and diffusion".
For this purpose IIS is strongly committed in information and dissemination activities.

IIS is a founding member of the International Institute of Welding (IIW) and European Welding Federation (EWF). Within these organizations the Institute has always held apical positions.

Moreover IIS cooperates or is in charge of various European and international executive committees of  research and standardization.
The active presence of the IIS in these bodies leads to a very intense international activity generating frequent contacts with similar institutions of the countries with the highest industrial development.

IIS holds the Chairmanship  the "Welding Commitee" of  UNI (the Italian Standardization body); in this role IIS actively participates in ISO (International Standardization Organization) and CEN (Comité Européen de Normalisation) technical works.
During its activity, that has lasted almost seventy years, IIS has contributed to the development of a large number of technical standards, exploiting both his knowledge resulting from the studies and researches, and from years of hands on experience in technical assistance activities.

IIS currently employs about 70 people and promotes Labpratory servicies, institutional activities organizing technical events and conferences, coordinating marketing and commercial strategies for the Group as well as research and development; ensuring and managing the external relations through its media. Within IIS are main Group corporate services.

On February 22, 2016, the IIS Steering Committee approved the Organization, Management and Control Model pursuant to Legislative Decree 231/2001.