Proton OnSite, previously known as Proton Energy Systems Inc, designs and manufactures proton exchange membrane (PEM), electrochemical systems to make hydrogen from water in a zero pollution process producing safe, pure, reliable onsite hydrogen to meet todays global hydrogen requirements. The company's PEM electrolysis systems allows the firm to deliver, install and support gas generation units on every continent. In addition, the company offers hydrogen control systems, nitrogen generators and air generators and services including packaged solutions incorporating tanks, compressors and other ancillary equipment. These products and services now allow the firm to serve a broader commercial set of markets including power plants, semiconductor manufacturers and laboratories. As of June 2017, Proton OnSite, Inc. operates as a subsidiary of NEL ASA formerly dba Diagenic ASA, aNorway-based company engaged in renewable energy equipment and services sector
