ON SITE GAS SYSTEMS, INC.

On Site Gas Systems is a pioneering manufacturer of oxygen and nitrogen generator systems, established in 1987 and based in Newington, Connecticut. The company designs and manufactures PSA (Pressure Swing Adsorption) and membrane-based gas generation systems for commercial, industrial, medical, and government applications. Their equipment serves diverse sectors including healthcare (field hospitals, medical oxygen delivery), food packaging and processing, electronics manufacturing, oil and gas inerting, and military/emergency preparedness. All systems are manufactured in ISO 9001:2015 and ISO 13485:2016 certified facilities in the USA, with products featuring UL, CE, and CSA certifications. On Site Gas Systems offers standard commercial solutions and custom-engineered systems capable of producing nitrogen purity up to 99.9995% and oxygen purity from 90–99%, with reported annual savings of up to 80% compared to conventional bottled gas delivery. The company provides nitrogen PSA systems, membrane generators, portable oxygen generation systems (POGS), cylinder filling stations, container-based systems, and remote monitoring solutions.