Proton OnSite Employee Directory

Oil and GasConnecticut, United States51-200 Employees

Proton OnSite (formerly Proton Energy Systems, Inc.) is a global leader in hydrogen energy and innovative gas solutions. Since 1996, we have been developing and applying hydrogen technology in creative and practical ways that best meets the diverse requirements of our customers. Our advanced proton exchange membrane (PEM) electrolysis systems coupled with our uncompromising attention to excellence and quality enables us to deliver, install and support gas generation units on every continent. 

More recently, we have expanded our product offerings to include hydrogen control systems, nitrogen generators and air generators. We have also expanded our services to include packaged solutions incorporating tanks, compressors and other ancillary equipment. These products and services now allow us to serve a broader commercial set of markets including power plants, semiconductor manufacturers and laboratories.

Proton OnSite is a trusted partner to the U.S. military, aerospace, fueling and renewable energy industries because at Proton, we understand that the current energy market demands leadership, expertise and innovation. We are also at the forefront of the clean energy industry, committed to developing superior energy solutions that provide the most value to our partners throughout the globe.

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