Elvial S.A. is one of the largest and most well-known aluminium (aluminum) extrusion industries in Greece. It produces integrated aluminium systems in a fully vertically integrated production line housed in a new, state-of-the-art plant in Kilkis, Northern Greece. Elvial S.A. 's aluminium sytems are certified from world known international institutes (Ift-Rosenheim, Germany), as well as acknowledged Greek certification bodies (Aristotelion University of Thessaloniki, Greece).