During more than 75 years of activity, the companies of the Techint Group have evolved, building upon the vast amount of experience gained in such areas as steelmaking; building of complex infrastructures; design and construction of industrial plants and machinery; technologies for the metals and mining industries; oil & gas exploration and production and research-oriented health facilities. The companies are: Tenaris, Ternium, Techint Engineering & Construction, Tenova, Tecpetrol and Humanitas.