Tubos Reunidos, S.A., together with its subsidiaries, engages in the manufacture and sale of seamless steel pipe products. The company offers hot-rolled and cold-drawn seamless carbon and alloy steel tubes for oil and gas, chemical and petrochemical, power generation, heat transfer, automotive, mechanical, and construction industries. It also provides hot finished seamless steel pipes and tubes; midstream pipes; tubing, casing, drill pipes, and accessories; and pressure equipment for engineering, biomass power plants, thermal power plants, or refineries. In addition, the company offers seamless steel tube and pipes with net zero carbon emissions under the O-Next brand. Further, it is involved in the industrial, real estate development, and trading businesses. The company serves downstream, midstream, upstream, mechanical, and downstream pressure part markets. It operates in the United States, Spain, Germany, Italy, India, Saudi Arabia, the United Kingdom, the United Arab Emirates, Canada, and internationally. Tubos Reunidos, S.A. was founded in 1892 and is based in Amurrio, Spain. Address: Barrio de Sagarribai, 2, Amurrio, Spain, 01470