Tenaris offers advanced product technology and integrated supply chain management services on a global scale to customers such as the world's major oil and gas companies, as well as engineering and industrial companies.
Tenaris has manufacturing facilities in Argentina, Brazil, Canada, Colombia, Ecuador, Indonesia, Italy, Japan, Mexico, Romania, Saudi Arabia and the United States, a proprietary global service and a worldwide distribution network. Tenaris’s annual production capacity of seamless pipes is 3.8 million tons. The company also has annual capacity of 2.6 million tons of welded pipes, and employs 21,700 people worldwide.
Tenaris is the world leader in premium connections and is at the forefront in the development of the tubular technologies required not only to operate in the most demanding oil and gas fields, but also in high performance mechanical and structural applications. Tenaris is a public company, incorporated in Luxembourg, with its shares listed in Milan, Buenos Aires and Mexico and its American Depositary Securities listed on the New York Stock Exchange; it adheres to international standards of corporate governance, financial transparency and information disclosure.
Tamsa starts operations in Mexico and Siderca in Argentina. Both plants are constructed by Techint.
Siderca expands its seamless capacity and takes over Siat, an Argentine welded pipe manufacturer established in 1948.
Siderca acquires a controlling interest in Tamsa and forms a strategic alliance.
Siderca acquires a controlling interest in Dalmine, Italy, following its privatization. With Tamsa, this strategic alliance becomes DST. Dalmine had begun operations in 1909. Agostino Rocca, before founding the Techint Group, was Managing Director.
Tamsa establishes Tavsa with Corporación Venezolana de Guayana to take over Sidor's seamless steel tube mill. One year later, Siderca will acquire control of Confab, in Brazil.
In Canada, Siderca leases Algoma Steel's seamless steel tube plant and begins operating AlgomaTubes.
The Tenaris brand name is introduced, replacing DST. Siderca is listed on the New York Stock Exchange (NYSE).
Tenaris S.A., constituted in Luxembourg, becomes the holding company following an exchange offer for the shares of Siderca, Tamsa and Dalmine and is simultaneously listed on the New York, Milan, Buenos Aires, and Mexican stock exchanges.
Tenaris acquires control of Silcotub, a Romanian manufacturer of seamless steel pipes.
Tenaris expands its presence in USA, Canada and Colombia through Maverick Tube Corp.
With Hydril, Tenaris expands its offer of products and services for the oil and gas industry.
Tenaris sets up a new threading facility in Qingdao, China.
Tenaris builds up its presence in the Far East through the integration of SPIJ, an Indonesian OCTG processing operation. Venezuela nationalizes TAVSA and steel shop Matesi.
Tenaris completes its new premium threading facility in Saudi Arabia.
Tenaris opens new rolling mill in Veracruz, Mexico. In Argentina, Campana, the company inaugurates a new Technology Center. In Africa, Tenaris expands its operations in Nigeria through a joint venture with the leading pipe coating company.
Tenaris and Ternium join the control group of Brazil's steel giant Usiminas, together with Nippon Steel and Usiminas employees’ pension fund.
Tenaris announces the construction of its first US seamless pipe mill in Bay City, Texas and a new sucker rods facility in Conroe.