Mersen
Mersen is number 2704 in the 311 Titans Index of the world's largest companies, with reported revenue of about $1.3bn in 2025. It is headquartered in Courbevoie, France. In short: French electrical power and advanced materials company.
Part of the 311 Titans Index (311institute.com). Last updated .
Other Titans in France
- TotalEnergies (#25)
- Électricité de France (#48)
- Carrefour Group (#62)
- Engie (#78)
- LVMH (#84)
- Airbus (#97)
- Vinci (#104)
- Renault (#126)
- Bouygues (#127)
- CMA CGM (#146)
- Compagnie De Saint-Gobain (#151)
- Saint-Gobain (#154)
- Veolia (#158)
- Société nationale des chemins de fer français (#166)
- L'Oréal (#175)
- Sanofi (#178)
- Orange (#186)
- La Poste (#204)
- Schneider Electric (#205)
- Air France-KLM (#223)
- Air Liquide (#276)
- Michelin (#285)
- EssilorLuxottica (#296)
- Sodexo (#303)
- Eiffage (#315)
- Thales (#324)
- Capgemini (#338)
- Valeo (#340)
- Rexel (#392)
- Alstom (#406)
Related
- Innovation profile of Courbevoie
- France: economy and key statistics
- The 311 Titans Index
- All 311 Indexes
Questions and answers
How big is Mersen?
Mersen reported revenue of about $1.3bn in 2025, ranking number 2704 in the 311 Titans Index.
Where is Mersen headquartered?
Mersen is headquartered in Courbevoie, France.
Source: official filing (filing), retrieved 5 October 2026. Revenue converted to US dollars at the ECB average rate for the financial year.
© 311 Institute 2026. Facts from official filings, Wikidata (CC0) and the sources linked on this page. The selection, classification and links are the proprietary work of the 311 Institute, protected by copyright and database rights.