Connecting sustainable energies
Mastering metal, shaping the futureThermoTechnologies is an international industrial group driven by a shared passion: pushing the limits of materials. With unique expertise in fine metallurgy, we transform metals into custom solutions to meet the most complex challenges of cutting-edge industries.
A global player at the heart of innovation
From our headquarters in Annecy, in the heart of the French Alps, our group extends its reach across the globe.
employees
production sites
2025 turnover
export countries
Production sites
Expert in high-performance alloys
Advanced Casting Asia LLC
17 VSIP II-A, Street 26 - Singapore II-A
IP, Ward Vinh Tan, Ho Chi Minh City
Vietnam
A specialist in gold and silver electroplating, Gilor has been supporting luxury and connectivity industries since 1952.
662, rue des Jonchères
Bâtiment N
69730 Genay
France
Electroplating experts: when craftsmanship becomes art
Maison Henriod is a recognized expert in electroplating. A benchmark in this field for over 50 years, it is trusted by the world’s most prestigious watchmaking and jewelry brands.
Rue Eugène-Marziano 16
1227 Genève
Suisse
The group’s Asia-Pacific manufacturing site, supplying EDM, special and diamond wires, as well as surface coatings to customers across Asia and the Americas.
HWA, Hi-Tech Wires Asia
46 Road No. 6 - VSIP 1 Thuan An - Binh Duong
Vietnam
Heat treatment specialist, enhancing the strength, durability, and performance of industrial tooling
STB Traitement Thermique S.A.S. - 7 Rue Jean Donier
01100 Oyonnax
France
A pioneer in EDM wire and surface coating, heat, and thermochemical treatment solutions, blending innovation and expertise for over 110 years to tackle the most advanced technological challenges.
Z.I. Les Îles- 181, route des Sarves
74370 Epagny Metz-Tessy
France
A heat treatment expert, offering innovative and world-exclusive processes that boost the performance and longevity of metal components
Rue Albert Déville
08090 Tournes
France
Our application markets
Our technologies support demanding sectors such as aerospace, microsurgery, telecommunications, precision engineering, and the energy transition.
- Products: Alloys, EDM wires, special wires, diamond wires
- Services: Surface coatings, heat and thermochemical treatments
A legacy of excellence, built for the future
With over two centuries of industrial expertise, ThermoTechnologies combines traditional know-how with cutting-edge innovation. Every day, our teams join forces to push the technical boundaries of materials—delivering quality, performance, and durability.
A sustainable and responsible vision
At the core of our strategy, energy transition and decarbonization drive our innovations. By developing high-performance, sustainable metallurgical solutions, we help build a more responsible world—aligned with today’s environmental and societal challenges.