Tenaris S.A., organized in Luxembourg, is a manufacturer and supplier of steel pipes and related services for the petroleum industry. The company produces and ships over 4 million tons of pipes annually. In 2023, 53% of the company's sales were to North America, 22% of sales were to South America, 18% of sales were to the Asia-Pacific, and 7% of sales were to Europe. The company owns 11.46% of Ternium, 3.96% of the share capital of Usiminas, and 22% of Techgen. The company is 60.45% owned by Techint, which is controlled by San Faustin S.A., which is in turn controlled by Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin, a Stichting, while 38.41% of the company is publicly-traded. Wikipedia