![](https://www.siparex.com/wp-content/uploads/2022/08/ledger.gif)
Ledger
Ledger is the French leader in secure infrastructure for cryptocurrency. The company has developed a virtual wallet (in the form of USB key) that is resistant to malware programs that try to steal bitcoins and personal data.
Ledger is the French leader in secure infrastructure for cryptocurrency. The company has developed a virtual wallet (in the form of USB key) that is resistant to malware programs that try to steal bitcoins and personal data.
The Impack group is a regional specialist in printed cardboard packing, composed of the following companies: OTICR, long-standing player in printed cardboard packaging, Etikad specializing in adhesive label printing, and Gauthier Packaging.
EnergyGo specializes in the sale of energy solutions for the French residential market. It offers photovoltaic solar solutions, by heat pump, thermal insulation of the roof and finally sanitary hot water called “thermodynamic balloons”.
Laser Game Evolution is now a leading brand in the field of immersive indoor entertainment, in particular laser tag and virtual reality.
MARTEL is a family group operating in the civil engineering sector. The group has diversified over the years and is now made up of 10 additional companies spread over 5 sites in the region of Lyon and working on the entire Construction and Civil engineering value chain.