Helios

7 January 2021

The Hélios Group is made up of the companies GEC Ile-de-France (Générale d’Etanchéité et de Couverture) and Sallandre. GEC Ile-de-France, created in 1992, is a regional specialist in the waterproofing of roof terraces, and the thermal and ...

SET Environnement

7 January 2021

Founded in 1986, S.E.T. Environnement specializes in decontamination works for tertiary and industrial buildings containing asbestos. With more than 3,000 projects carried out since its creation, S.E.T. has developed recognized expertise in ...

Darfeuille

13 May 2020

Ortec

13 May 2020

Acteon / Satelec

13 May 2020