Arnaud Westrich

Eco Roc Noir SAS is a French company that provides thermal and air conditioning equipment installation services. The private company is based in Courbevoie, France. The company was founded in 2011.

Dalkia Smart Building SAS provides engineering services. The private company is based in Courbevoie, France. The CEOs are Benoit Dujardin, Jérôme Aguesse, Fabien Bremont. The French company was founded in 2007.

Dalkia Electrotechnics Fab SAS, founded in 2002, develops renewable and recovered energy sources and provides guidance to clients on the path to decarbonisation and energy savings. The private company is based in La Gacilly, France. The French company offers solutions to improve the energy performance of healthcare facilities, as well as multi-technical performance offers for industry, housing, healthcare, and the commercial sector. Dalkia's site was designed to limit CO2 emissions and reduce their impact on the planet.