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Telephone: 1-860-667-8888

USA Toll-Free: 1-888-748-3429

Outside the US: 001-860-667-8888

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On Site Gas Systems: Who are we?

It all began with a trip to the moon.

NASA’s Apollo Program was the ’60s-era race to the moon that culminated with Neil Armstrong’s walk on the lunar surface in 1969. During those crucial years, Francis X. Hursey was pioneering PSA (pressure swing adsorption) oxygen technology as a member of the spacecraft’s breathing air team. After Project Apollo, Frank helped develop one of the first oxygen concentrators for home use. It was this core of knowledge that led him to found On Site Gas Systems in 1987.

Who is On Site Gas? As you might have guessed from our name, we design and build gas-generating (nitrogen and oxygen) systems that function on-site at your physical plant. Our systems are used in mission-critical applications, across dozens of industries, in over 100 countries.
Our standard products are often modified or customized to meet specific customer requirements. All our systems are built in the USA. During more than 25 years in business, we have exhibited an unprecedented level of growth and excellence. Our customers use On Site Gas Systems to replace or augment other gas delivery methods, and many report monthly savings of up to 80%.

We are a private, self-funded company with over 40 employees, many of whom hold at least one patent. In a nutshell, On Site Gas Systems does just what our name implies: we design and build PSA and membrane nitrogen and oxygen generation systems that function “on-site” — wherever that may be. Our safe, continuous, flexible systems provide cost-saving, reliable gas generation for numerous applications, and can be found in over 100 countries. We are a unique company of customer focused product development engineers driven to find a cost effective solution to your industrial gas needs.

On Site Systems pioneered the adoption of PSA technology. We are a non-cryogenic gas company with a global reach, offering membrane, PSA nitrogen systems (95-99.9995% purity), and PSA oxygen (USP 93-99% purity) systems for both medical and industrial use. We are FDA-approved for our military medical O2 systems — and our entire PSA and membrane systems meet or exceed USP standards for food grade and medical N2 and O2.

It is our privilege to be able to design and build systems that save lives, protect the environment, and offer simple, cost-effective solutions to our customers. Our systems deliver emergency oxygen on the battlefield and after natural disasters. Our nitrogen systems enable lead-free soldering and are used to preserve food, beverages, and pharmaceuticals.

How can we help you today? Contact us.

Click on Who You Would Like to Contact:

Telephone: 1-860-667-8888

USA Toll-Free: 1-888-748-3429

Outside the US: 001-860-667-8888

Fax: 1-860-667-2222

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