Tenaris SA is engaged in the manufacture and supply of steel pipe products and related services for the energy industry and other industrial applications. The company has one reportable segment, Tubes, which includes the production and sale of steel tubular products such as OCTG, line pipe, and mechanical and structural tubes, mainly for the oil and gas industry. It operates an integrated network of manufacturing, research, and service facilities across the Americas, Europe, the Middle East, Asia, and Africa.