Techint is an Italian-Argentine conglomerate founded in Milan in 1945 by Italian industrialist Agostino Rocca and headquartered in Buenos Aires (Argentina) and Milan (Italy).
Techint operates with two main entities: Techint S.A., based in Buenos Aires, and Techint - Compagnia Tecnica Internazionale S.p.A., based in Milan.
Techint owns controlling interests in 6 major companies. Techint owns 62.02% of Ternium, a producer of steel for construction, and 60.45% of Tenaris, the largest producer of steel pipe for the petroleum industry. It also owns Techint Engineering & Construction, which provides operation and management services for complex and large-scale projects; Tenova, which designs technologies and develops services that help metals and mining companies limit environmental impact; Tecpetrol, an energy exploration and production company in Latin America; and Humanitas, which owns health care institutions.
The company is controlled by San Faustin S.A., which is in turn controlled by Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin, a Stichting.