ErreDue S.p.A. provides on-site gas generation and purification products in Italy. The company offers hydrogen, nitrogen, and oxygen generators; air compressors; on-site generators; gas purifiers; electronic mixers; zero and pure air generators; and energy transition systems. Its products are used in various applications, such as laser cutting, heat treatment of metals, welding, food sectors, enology, renewable energies, pharmaceutical industry, goldsmith and naval sectors, and sintering. The company also provides remote support services, spare parts, and turnkey solutions. The company was founded in 2000 and is headquartered in Livorno, Italy. ErreDue S.p.A. is a subsidiary of Green H2 Holding S.r.l.