Insights

Global footprint Clemessy operates more than 100 locations in France and worldwide, suggesting ample opportunities for regional deployment, local service contracts, and cross-border project scoping in industrial automation and energy systems.

Energy systems focus As part of the Energy Systems branch of Eiffage, Clemessy emphasizes electrical and mechanical engineering for industry, energy, tertiary, and transport infrastructure, signaling strong cross-sector demand for integrated automation and maintenance solutions.

Growing headcount With nearly 5,000 employees and substantial permanent hiring activity, Clemessy demonstrates capacity to scale complex projects, making it a viable partner for large-scale deployment, system integration, and after-sales support programs.

Medium tier opportunity Reported revenue in the $100M–$250M range places Clemessy between mid-market and larger enterprise suppliers, suggesting upsell paths into higher-value services, remote monitoring, and turnkey automation packages tailored to mid-to-large industrial sites.

Digital maturity Adoption of cloud, web optimization, analytics, and modern web tech indicates openness to digital modernization initiatives, including cloud-based SCADA, IoT integration, predictive maintenance, and data-driven optimization partnerships.

Similar companies to Clemessy

Clemessy Tech Stack

Clemessy uses 8 technology products and services including Cloudflare Web Optimizations, iCIMS, OneTrust, and more. Explore Clemessy's tech stack below.

  • Cloudflare Web Optimizations
    Analytics
  • Applicant Tracking Systems
  • Cookie Compliance
  • Cloudflare DNS
    Domain Name Services
  • ZURB Foundation
    UI Frameworks
  • Web Analytics
  • Web Hosting
  • Apache HTTP Server
    Web Servers

Clemessy's Email Address Formats

Clemessy uses at least 4 email formats:
Clemessy Email FormatsExamplePercentage
F.Last@clemessy.comJ.Doe@clemessy.com
91%
First.Last@clemessy.comJohn.Doe@clemessy.com
7%
First@clemessy.comJohn@clemessy.com
1%
Last@clemessy.comDoe@clemessy.com
1%

Frequently Asked Questions

What is Clemessy's phone number?

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

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Clemessy's official website is clemessy.com and has social profiles on LinkedIn.

How much revenue does Clemessy generate?

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As of August 2026, Clemessy's annual revenue is estimated to be $100M - $250M.

What is Clemessy's SIC code and NAICS code?

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Clemessy's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified and NAICS code is 3339 - Other General Purpose Machinery Manufacturing.

How many employees does Clemessy have currently?

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As of August 2026, Clemessy has approximately 2.3K employees across 4 continents, including Europe, Africa and Asia. Key team members include Head Of Engineering Department: M. B., Ingénieur Technico-Commercial Grands Projets Cfo-Cfa: R. B. and Directeur De Projet: C. D. Explore Clemessy's employee directory with LeadIQ.

What industry does Clemessy belong to?

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Clemessy operates in the Automation Machinery Manufacturing industry.

What technology does Clemessy use?

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Clemessy's tech stack includes Cloudflare Web Optimizations, iCIMS, OneTrust, Cloudflare DNS, ZURB Foundation, Piwik PRO Core, Drupal Multisite and Apache HTTP Server.

What is Clemessy's email format?

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Clemessy's email format typically follows the pattern of F.Last@clemessy.com. Find more Clemessy email formats with LeadIQ.
Clemessy logo

Clemessy

Automation Machinery ManufacturingGrand Est, France1001-5000 Employees

Clemessy operates within the Energy Systems division of the Eiffage Group, focusing on electrical and mechanical engineering systems. It designs, upgrades, installs and maintains this equipment for multiple sectors, including industry, energy, the service sector and transport infrastructure.

With a broad geographic footprint that includes many locations in France and internationally, Clemessy works to support clients close to their industrial installations. The company is based in Mulhouse, in the Grand Est region of France, and positions itself in the automation machinery manufacturing space. The organization employs several thousand people, reflecting a substantial presence in its market.

Section iconCompany Overview

Phone number
SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
NAICS Code
3339 - Other General Purpose Machinery Manufacturing
Employees
1001-5000

Section iconFunding & Financials

  • $100M - $250M

    Clemessy's revenue is estimated to be in the range of $100M - $250M

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