Saint-Etienne maker of high-performance mechanical components and coatings for oil, gas, petrochemical and nuclear uses.
Founded in 1949 and headquartered in Saint-Etienne, France, Mathevon SA machines superalloys such as Inconel and Stellite and applies wear- and corrosion-resistant coatings, including Xylan and HVOF, for components like gate valve internals. Clients in the energy sector in North America, Europe and Asia buy custom-engineered parts on B2B contracts. Revenue was USD 62.49 mn in 2023, with EBITDA of USD 6.14 mn. In May 2025 Montyon Capital and management acquired a majority stake from Siparex and other investors.
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