- CEO
- Luc Themelin
- Full Time Employees
- 7,066
- Sector
- Industrials
- Industry
- Electrical Equipment & Parts
- Address
- Tour EQHO Courbevoie France 92400
- IPO Date
- Oct 3, 2016
- Business
- Mersen S.A. (Euronext Paris: MRN; OTC: CBLNY) manufactures and markets electrical power products and advanced materials for high-tech industries, including energy, electronics, transportation, chemicals, and pharmaceuticals; it operates through two main segments, Advanced Materials and Electrical Power. Advanced Materials provides graphite specialties for high-temperature applications such as isostatic and extruded graphite, carbon insulation solutions, anticorrosion equipment including heat exchangers in graphite, SiC, zirconium, and titanium, and power transfer technologies like carbon brushes, slip rings, and brush-holders; Electrical Power offers solutions for power management and protection, encompassing fuses such as NH gBat for batteries and HelioProtection HP15NH for photovoltaics, fuse holders and systems like Modulostar CUS10, surge protection, power distribution blocks, high-power and low-voltage switches, IEC fuse switch disconnectors, bus bars, capacitors, and cooling solutions. The company conducts global operations across more than 50 industrial sites and 21 R&D centers in 33 countries, including France, North America, Europe, and Asia-Pacific, with headquarters in Courbevoie, France, where it was founded in 1889 and renamed from Carbone Lorraine in 2010. Recent developments include selection by the U.S. Defense Logistics Agency to supply isostatic graphite and by CATL to provide advanced fuses for battery systems; in 2025, it announced capacity expansions, innovation initiatives, and strategic global positioning, alongside a US private placement of USD 100 million and governance changes naming Salvador Lamas as incoming CEO in May 2026; it also reported first-half 2025 sales of €610.4 million and record 2024 sales of €1,244 million with strong cash flow, supporting ongoing investments in SiC semiconductors, electric vehicles, and sustainable markets representing over 50% of sales.