Insights

Open Source Advantage S44 Energy offers CitrineOS and TopazEV as open standards based solutions that reduce vendor lock-in and per-session fees, presenting a compelling value proposition for operators seeking independent, scalable EV charging infrastructure.

Rapid Deployment TopazEV CSMS is described as production-ready and deployable in weeks, enabling faster time-to-value for operators expanding or modernizing their charging networks.

Strategic Partnerships Trusted by Electrify America and other operators across the US and Europe signals credible reference accounts and potential multi-network upsell opportunities for larger operators looking to standardize platforms.

Open Standards Adoption Support for OCPP 1.6, 2.0.1, 2.1, OCPI, and ISO 15118 positions S44 to win business from operators needing interoperable, future-proof ecosystems across diverse network hardware.

Growth Narrative Recent leadership changes and a rising profile in EV charging software, combined with a revenue range of 10–25 million, suggest opportunities to engage growth-stage operators and regional utilities aiming to accelerate infrastructure rollouts.

Similar companies to S44 Energy

S44 Energy Tech Stack

S44 Energy uses 8 technology products and services including Amazon Web Services, Docker, Postman, and more. Explore S44 Energy's tech stack below.

S44 Energy's Email Address Formats

S44 Energy uses at least 5 email formats:
S44 Energy Email FormatsExamplePercentage
First.Last@s44.teamJohn.Doe@s44.team
91%
Last@s44.teamDoe@s44.team
9%
First.Last@sulzer-us.comJohn.Doe@sulzer-us.com
92%
Last@sulzer-us.comDoe@sulzer-us.com
6%
FirstL@sulzer-us.comJohnD@sulzer-us.com
2%

Frequently Asked Questions

What is S44 Energy's phone number?

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You can contact S44 Energy'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 S44 Energy's stock symbol?

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S44 Energy is a publicly traded company; the company's stock symbol is US44891N2080.SG.

What is S44 Energy's official website and social media links?

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S44 Energy's official website is www.s44.team and has social profiles on LinkedIn.

How much revenue does S44 Energy generate?

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As of August 2026, S44 Energy's annual revenue is estimated to be $10M - $25M.

What is S44 Energy's NAICS code?

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S44 Energy's NAICS code is 5112 - Software Publishers.

How many employees does S44 Energy have currently?

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As of August 2026, S44 Energy has approximately 20 employees across 2 continents, including North America and Europe. Key team members include Project Management Manager: H. S. and People Operations Manager: C. M. Explore S44 Energy's employee directory with LeadIQ.

What industry does S44 Energy belong to?

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S44 Energy operates in the Software Development industry.

What technology does S44 Energy use?

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S44 Energy's tech stack includes Amazon Web Services, Docker, Postman, Google Workspace, Google Cloud Platform, Atlassian Jira, Adobe Creative Suite and Atlassian Confluence.

What is S44 Energy's email format?

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S44 Energy's email format typically follows the pattern of First.Last@s44.team. Find more S44 Energy email formats with LeadIQ.

When was S44 Energy founded?

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S44 Energy was founded in 2012.
S44 Energy logo

S44 Energy

Software DevelopmentNew Jersey, United States11-50 Employees

S44 Energy develops open-source software for electric vehicle charging, enabling operators to own and control their infrastructure without vendor lock-in or per-session fees. Based in Mahwah, New Jersey, it is the team behind CitrineOS, a Linux Foundation Energy project deployed across more than 200 charging networks, and TopazEV, the Open-as-a-Service CSMS built on open standards. The company provides a production-ready CSMS platform that can be deployed in weeks, along with CitrineOS as an open-source foundation and custom engineering for operators pursuing scale. Its customer base includes Electrify America and other operators across the United States and Europe. In May 2025, Olga Haygood was appointed chief executive officer, signaling a leadership change.

Section iconCompany Overview

Phone number
Stock Symbol
US44891N2080.SG
NAICS Code
5112 - Software Publishers
Founded
2012
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    S44 Energy's revenue is estimated to be in the range of $10M - $25M

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