SOL S.p.A. engages in the applied research, production, and distribution of industrial, pure, and medicinal gases; and in door-to-door medical care and related medical equipment in Italy and internationally. It offers technical and medical gases, including oxygen, nitrogen, argon, hydrogen, carbon dioxide, acetylene, nitrous oxide, gas mixtures, high purity gases, food gases, and gaseous and liquid helium, as well as synthetic and compressed air; gas for electronics; ammonia and combustible gases for industrial use; gases and gas mixtures for respiratory and therapeutic, and diagnostic and instrumental use; and special gases and gas mixtures. The company also provides services, apparatus, and products for home oxygen therapy, home mechanical ventilation, home artificial feeding, and home treatment of bed sores; home treatment services for nocturnal apnoea syndrome; and integrated homecare services. In addition, it produces hydroelectric power; and engages in the exploration and identification, design, construction, and running of hydroelectric power stations connected to the national high tension distribution network. Further, the company designs, constructs, and manages bio banks, cell factories, and centers for processing and conserving cells and tissues; offers pre-and post-natal diagnostic services; and produces and sells diagnostic systems and services. Additionally, it is involved in the GMP production of monoclonal antibodies and recombinant proteins; and scientific, pre-clinical, and clinical research of biological pharmaceuticals, as well as the provision of transport and biological sample conservation services for third parties. SOL S.p.A. products are used in the chemical, electronics, iron and steel, engineering, and foodstuff industries, as well as in environmental protection, and research and health sectors. The company was founded in 1927 and is headquartered in Monza, Italy. SOL S.p.A. is a subsidiary of Gas and Technologies World BV.