
Alteo
Gardanne, France
About
Alteo is a French producer of specialty aluminas, with its head office in Gardanne, between Marseille and Aix-en-Provence.
For lithium-ion batteries it supplies SEPAL aluminas used in separator coatings. Its other markets include tiles and ceramics, technical ceramics, thermal dissipation (TIMAL), flame retardancy, refractories, polishing and glass. Alteo has offices in the US, Japan, South Korea, China, Taiwan, Turkey, India and elsewhere.
From the Battery Report
Battery Report 2025 · chapterSupply Chain: Upstream and MidstreamVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Location Info
- HQ
- Gardanne, France
Europe (3)
- Manufacturing
- Beyrède, France
- Manufacturing
- La Bthie, France
- Manufacturing
- Teutschenthal, Germany
Asia-Pacific (4)
- Office
- Changshu, Jiangsu, China
- Office
- Guangzhou, China
- Office
- Qingdao, China
- Office
- Mumbai, Maharashtra, India
Sources
Description: Gardanne HQ and offices
- alteo-alumina.com · Company site · checked Oct 2026“1 FRANCE – Gardanne ALTEO Gardanne Route de Biver ... 2 USA – Hudson ALTEO NA LLC”
Description: SEPAL for Li-ion
- alteo-alumina.com · Company site · checked Oct 2026“MARCHÉS & APPLICATIONS Batteries lithium-ion – SEPAL Carrelage & céramiques Céramiques techniques Dissipation thermique – TIMAL Ignifugation Réfractaires Polissage Verre”
Website: https://www.alteo-alumina.com
- alteo-alumina.com · Company site · checked Oct 2026“Leader mondial dans la production d’alumines de spécialité, Alteo est une industrie française dont le siège social est situé entre Marseille et Aix-en-Provence”
Quick Facts
- Founded
- 2008
- Team Size
- 51-200
- Funding
- Public
- Last Updated
- Oct 16, 2026


