Insights

Expanding Market Applications Proton OnSite has broadened its product portfolio to include hydrogen control systems, nitrogen generators, and air generators, serving diverse sectors such as power, semiconductor manufacturing, and laboratories. This diversification presents opportunities to sell integrated gas generation solutions to clients in these industries seeking reliable and advanced gas production technology.

Strong Industry Relationships As a trusted partner to the US military, aerospace, fueling, and renewable energy sectors, Proton OnSite has established a reputation for delivering high-quality and innovative hydrogen solutions. Business development efforts can leverage these relationships to explore new projects or expand existing contracts within these high-demand, strategic markets.

Funding and Innovation Focus With over 6 million dollars in recent grants from the Department of Energy aimed at lowering hydrogen production costs and advancing manufacturing processes, Proton OnSite is positioned at the forefront of cutting-edge hydrogen technology. This focus on innovation indicates opportunities to co-develop or supply cost-effective, scalable electrolysis solutions for large-scale deployment in clean energy markets.

Recent Acquisition Advantage Since being acquired by Nel ASA in 2017, Proton OnSite benefits from increased stability and global reach. The integration with Nel expands access to additional capital and resources, enabling sales teams to target international markets and large-scale industrial clients seeking advanced, reliable hydrogen technology.

Sustainable Industry Leader Proton OnSite’s commitment to developing environmentally friendly energy solutions aligns with the growing demand for green hydrogen in the global transition to clean energy. Sales efforts should focus on organizations aiming to meet sustainability targets through innovative, low-carbon gas generation systems that align with regulatory and environmental standards.

Proton OnSite Tech Stack

Proton OnSite uses 8 technology products and services including Drupal, BugHerd, jQuery, and more. Explore Proton OnSite's tech stack below.

  • Drupal
    Content Management System
  • BugHerd
    Issue Trackers
  • jQuery
    Javascript Libraries
  • HeadJS
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • Pardot
    Marketing
  • Salesforce Marketing Cloud Account Engagement
    Marketing Automation
  • HSTS
    Security

Media & News

Proton OnSite's Email Address Formats

Proton OnSite uses at least 1 format(s):
Proton OnSite Email FormatsExamplePercentage
FLast@protononsite.comJDoe@protononsite.com
82%
LastF@protononsite.comDoeJ@protononsite.com
10%
First.Last@protononsite.comJohn.Doe@protononsite.com
7%
FL@protononsite.comJD@protononsite.com
1%

Frequently Asked Questions

Where is Proton OnSite's headquarters located?

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Proton OnSite's main headquarters is located at 10 Technology Drive Wallingford, CT 06492 US. The company has employees across 4 continents, including North AmericaAsiaAfrica.

What is Proton OnSite's phone number?

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You can contact Proton OnSite's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Proton OnSite's official website and social media links?

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Proton OnSite's official website is protononsite.com and has social profiles on LinkedIn.

What is Proton OnSite's SIC code NAICS code?

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Proton OnSite's SIC code is 3569 - General Industrial Machinery and Equipment, Not Elsewhere Classified NAICS code is 211 - Oil and Gas Extraction.

How many employees does Proton OnSite have currently?

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As of October 2025, Proton OnSite has approximately 67 employees across 4 continents, including North AmericaAsiaAfrica. Key team members include Chairman: T. S.Director Of Corporate Marketing: C. V.Director Of Research: K. A.. Explore Proton OnSite's employee directory with LeadIQ.

What industry does Proton OnSite belong to?

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Proton OnSite operates in the Oil and Gas industry.

What technology does Proton OnSite use?

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Proton OnSite's tech stack includes DrupalBugHerdjQueryHeadJSModernizrPardotSalesforce Marketing Cloud Account EngagementHSTS.

What is Proton OnSite's email format?

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Proton OnSite's email format typically follows the pattern of FLast@protononsite.com. Find more Proton OnSite email formats with LeadIQ.

How much funding has Proton OnSite raised to date?

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As of October 2025, Proton OnSite has raised $6.4M in funding. .

When was Proton OnSite founded?

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Proton OnSite was founded in 1996.
Proton OnSite

Proton OnSite

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.

Section iconCompany Overview

Headquarters
10 Technology Drive Wallingford, CT 06492 US
Phone number
SIC Code
3569 - General Industrial Machinery and Equipment, Not Elsewhere Classified
NAICS Code
211 - Oil and Gas Extraction
Founded
1996
Employees
51-200

Section iconFunding & Financials

  • $6.4M

    Proton OnSite has raised a total of $6.4M of funding over 2 rounds. .

  • $50M$100M

    Proton OnSite's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $6.4M

    Proton OnSite has raised a total of $6.4M of funding over 2 rounds. .

  • $50M$100M

    Proton OnSite's revenue is estimated to be in the range of $50M$100M

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