​Portovesme s.r.l. was established on 2nd July 1999, by the acquisition from ENI of both the production site in Portoscuso (started up in 1970) and the site in San Gavino (started up in 1929).

Portovesme s.r.l. is a totally owned subsidiary of Glencore International A.G., one of world's largest diversified natural resource companies.

Zinc operations