ACC M is a specialist in the renovation and modernization of trains, dedicated to preserving and enhancing railway heritage since 1919. They extend the lifespan of rolling stock, restore their identity, and adapt them to new uses while reducing environmental impact and contributing to the circular economy. Their expertise includes complete train renovation and critical sub-assembly management, certified by ISO 9001:2015, EN 15085, ISO 3834, and ECE/ECM.
With over 30 integrated trades, ACC M ensures high-quality standards in all their operations. They are committed to supporting local economies and sustainable mobility, aiming to be the leading partner for railway authorities, operators, and exploiters in combining heritage and innovation.
Based in Clermont Ferrand, France, ACC M operates as a privately held company, employing 86 individuals. Their mission is to contribute to the vitality of territories by supporting daily mobilities, creating local industrial jobs, and innovating in the energy transition.
| Ownership Private Company |
| Parent Company TTH |
B2B professionals should contact ACC M for their expertise in sustainable railway solutions, high-quality train renovation, and commitment to local economic development. Their innovative approach and compliance with European standards make them an ideal partner for authorities and operators seeking to enhance their fleet sustainably.
Sales teams targeting railway authorities and operators, recruiters seeking roles in railway engineering and maintenance, and partners offering sustainable mobility solutions should reach out to ACC M.
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Last verified: February 2, 2026
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