Insights

Strategic partnerships Calyos is actively pursuing collaborations with automotive, defence, and data center players (Valeo, ZutaCore, 2CRSi) and European industrial partners, signaling a clear path for joint technology development and co-selling opportunities for high-performance, passive cooling solutions.

Industrial scale validation Recent media coverage highlights partnerships and MOUs to move two-phase passive cooling from niche innovation to global industrial standards, providing sales leverage with prospects seeking proven, standards-aligned cooling tech for automotive power electronics and data centers.

Targeted markets Focus areas include E-mobility, energy, computing, automotive power electronics, and data centers, with additional interest from defence and critical digital infrastructure, offering multiple entry points for cooling system deployments.

European manufacturing Calyos emphasizes fully European-built, fully passive cooling solutions, validated by NATO DIANA programs, which can appeal to regional customers seeking nearshore supply, security assurances, and compliance with European-industrial standards.

Technology focus Specialization in two-phase passive cooling solutions (Loop Heat Pipes, Pulsating Heat Pipes, Micro-Channel) positions Calyos to address high-density heat challenges in power electronics and batteries, enabling conversations with engineers about system integration and total cost of ownership.

Calyos Tech Stack

Calyos uses 8 technology products and services including Varnish, Google Hosted Libraries, jsDelivr, and more. Explore Calyos's tech stack below.

  • Varnish
    Caching
  • Google Hosted Libraries
    Content Delivery Network
  • jsDelivr
    Content Delivery Network
  • Lightbox
    Javascript Libraries
  • OVHcloud
    Platform As A Service
  • Cloudflare Bot Management
    Security
  • Nginx
    Web Servers
  • prettyPhoto
    Web Tools And Plugins

Media & News

Calyos's Email Address Formats

Calyos uses at least 1 format(s):
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.

What is Calyos's SIC code NAICS code?

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

How many employees does Calyos have currently?

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As of July 2026, Calyos has approximately 26 employees across 4 continents, including EuropeAfricaAsia. Key team members include Chief Executive Officer: A. D. R.Chief Technical Officer: V. D.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 VarnishGoogle Hosted LibrariesjsDelivrLightboxOVHcloudCloudflare Bot ManagementNginxprettyPhoto.

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

Section iconFunding & Financials

  • $1M

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

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