Tenaris S.A. is a global manufacturer and supplier of steel pipe products, primarily serving the energy industry, particularly the oil and gas sector. Founded in 2001 and headquartered in Luxembourg, Tenaris operates worldwide with manufacturing facilities, research and development centers, and a broad sales network across multiple regions, including North America, South America, Europe, the Middle East, Africa, and the Asia Pacific.

The company produces over 4 million tons of seamless and welded steel pipes annually, which are used in various applications such as oil and gas drilling, production, and transportation. Tenaris offers a range of products, including steel casings, tubing, line pipes, specialty pipes, premium joints, coiled tubing, and sucker rods. Additionally, it provides pipe coating and oilfield services, along with products for other industrial applications. With a workforce of approximately 23,500 employees, Tenaris reported annual net sales of around $7.7 billion as of 2018.