TERNA MAG SA is a recently established mining and commercial company specializing in magnesia production. It was founded in North Evia, Greece based on the long tradition of magnesite mining and magnesia processing of the area. Terna Mag draws from the famous magnesite reserves of Mantoudi that for many years supplied the world with superior quality magnesia products. As a member of GEK TERNA GROUP, TERNA MAG combines the traditions and practices of the past magnesia activity with the ethics and business practices of a cutting edge modern organization. Having now reconfirmed all past assets, TERNA MAG holds enough magnesite reserves to sustain production for more than fifty years and enjoys full support of the group for all future development. We at TERNA MAG aspire to be an international leader in the magnesia market providing quality solutions for the industrial, chemical, pharmaceutical, agricultural and water treatment industries.
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The Terna Mag annual revenue was $5 million in 2026.
Argiris Ziafetis is the Deputy Director of Geology of Terna Mag.
4 people are employed at Terna Mag.
The NAICS codes for Terna Mag are [511120, 513, 51112, 5111, 51, 511].
The SIC codes for Terna Mag are [272, 27].