Dejoie, foundry specialist
aluminium and security seals
for almost 100 years

Who are we ?

Founded in 1929, Dejoie is a Nantes-based company with recognized expertise in the fields of aluminum foundry and security seals. A subsidiary of the LEMER group, Dejoie relies on a rich past, strong values, and a forward-looking strategy.

We put our experience to work for various sectors: industry, transport, public institutions, logistics, security, health...
Committed to a sustainable and responsible performance approach, we integrate innovation, recycling, and quality at the heart of our practices.

Dejoie is a human-sized company, locally rooted, serving demanding industrial projects.