Insights

Industrial cooling traction Calyos specializes in passive two-phase cooling systems for high-power electronics across automotive, data center, mobility, and defence sectors, suggesting cross-industry sales opportunities with OEMs and system integrators needing reliable thermal management.

Strategic partnerships Recent and ongoing collaborations with Valeo, Calyos (Belgian startup), ZutaCore, and 2CRSi indicate validated interest from automotive, server hardware, and defence supply chains, presenting openings to co-create solutions or secure preferred supplier relationships.

European manufacturing Validation through NATO’s DIANA programme and BEDEX exposure demonstrates European manufacturing capability and defense-grade reliability, appealing to EU-based data centers, mobility suppliers, and defense contractors seeking domestic supply and compliance.

Defence and critical infra Presentation at BEDEX and NATO-aligned demonstrations point to a strong fit for high-power electronics cooling in defence, aerospace, and critical digital infrastructure, where pump-free, low-maintenance cooling offers reliability and silent operation.

Growth indicators Revenue is under one million with a small team, suggesting agility and high potential for scalable partnerships, channel sales, and multi-region pilots as Calyos expands from niche innovation to industrial standards.

Similar companies to Calyos

Calyos Tech Stack

Calyos uses 8 technology products and services including Microsoft Clarity, Amazon Web Services, Cloudflare, and more. Explore Calyos's tech stack below.

Media & News

Calyos's Email Address Formats

Calyos uses at least 2 email formats:
Calyos Email FormatsExamplePercentage
First.Last@calyos-tm.comJohn.Doe@calyos-tm.com
85%
First.Middle.Last@calyos-tm.comJohn.Michael.Doe@calyos-tm.com
15%

Frequently Asked Questions

What is Calyos's phone number?

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You can contact Calyos'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 Calyos's official website and social media links?

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Calyos's official website is calyos-tm.com and has social profiles on LinkedIn.

How much revenue does Calyos generate?

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As of October 2026, Calyos's annual revenue is estimated to be <$1M.

What is Calyos's SIC code and NAICS code?

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Calyos's SIC code is 3599 - Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified and NAICS code is 3332 - Industrial Machinery Manufacturing.

How many employees does Calyos have currently?

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As of October 2026, Calyos has approximately 27 employees across 4 continents, including Europe, Africa and Asia. Key team members include Chief Executive Officer: A. D. R., Chief Technical Officer: V. D. and Founder - Evangelizer - Chief Strategy Officer: O. D. L. Explore Calyos's employee directory with LeadIQ.

What industry does Calyos belong to?

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Calyos operates in the Industrial Machinery Manufacturing industry.

What technology does Calyos use?

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Calyos's tech stack includes Microsoft Clarity, Amazon Web Services, Cloudflare, Squarespace, WordPress, Microsoft 365, HubSpot and Webflow.

What is Calyos's email format?

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Calyos's email format typically follows the pattern of First.Last@calyos-tm.com. Find more Calyos email formats with LeadIQ.

When was Calyos founded?

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Calyos was founded in 2014.
Calyos logo

Calyos

Industrial Machinery ManufacturingWallonia, Belgium11-50 Employees

Calyos is a Belgian company that develops passive two-phase cooling systems for high-power electronic components, targeting markets such as electric mobility, energy, and computing. Their approach seeks to absorb heat through vaporization and move it to a larger surface for dissipation, enabling reliable and sustainable cooling without active components. The firm traces its roots to the space sector, drawing on experience from the European Space Agency and Euro Heat Pipes, the latter of which commercialised the same space-cooling technology.

Calyos is based in Jumet, in Wallonia, Belgium, and operates within the industrial machinery manufacturing sector. In 2026 it announced partnerships with Valeo and with Noctua, signaling increasing collaboration with automotive and aviation-oriented partners. NATO's DIANA programme has validated Calyos' cooling concepts.

Section iconCompany Overview

Phone number
SIC Code
3599 - Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified
NAICS Code
3332 - Industrial Machinery Manufacturing
Founded
2014
Employees
11-50

Section iconFunding & Financials

  • <$1M

    Calyos's revenue is estimated to be in the range of <$1M

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