F-DGSi is a French company founded in 2006 in Évry, specialising in the design and manufacture of gas generators for analytical laboratories and various industrial, medical and cryogenic applications. It offers a wide range of hydrogen, nitrogen, pure air and liquid nitrogen generators, designed and manufactured entirely in France. Recognised for its technical expertise, F-DGSi focuses on the quality, safety and performance of its equipment, thanks to patented technologies such as PSA, membranes, cryogenics and PEM cells. Its products enable the on-site production of high-purity gases, while reducing operating costs and environmental footprint. The company also supports its customers with a comprehensive range of services including installation, predictive maintenance and an international distribution network in more than 50 countries.