SIAD S.p.A. (SIAD) is an Italian industrial gases and engineering company, part of the SIAD Group. Founded in 1927 and headquartered in Bergamo, it is among Italy’s leading producers and distributors of industrial, specialty, and medical gases.
The company operates production assets such as air separation and carbon dioxide plants, supplying oxygen, nitrogen, argon, hydrogen, carbon dioxide, and customized gas mixtures. SIAD delivers gases in cylinders, bulk, and on-site solutions, and supports customers with cryogenic logistics, gas handling systems, and engineering capabilities through its machinery and plant divisions (e.g., compressors and air separation units).
SIAD serves a broad range of sectors including chemicals, refining, metallurgy, glass, food and beverage, electronics, and healthcare. Its activities emphasize safety, product quality, regulatory compliance, and energy-efficient operations across Italy and multiple European markets.
