3j-Consult is a engineering consultancy office with over 30 years experience in the field of energy and heat.

Equipment manufacturer of electric heating with a specialization in the accumulation of heat in refractory bricks.
A few kWh at some MWh.

ATM-Pro specialized in environmental software, impact studies and long-term and short-term environmental impact assessment.

IT services company, expert in custom software development and artificial intelligence, whose mission is to develop innovative and custom IT solutions to meet the business challenges of its clients.

BESOL is an R&D firm that has taken over all the R&D projects for ESE-groupe ATRYA France. It boasts engineering and technical expertise in the field of renewable energy, primarily solar energy (thermal and PV).

Buildwise supports the construction sector in its technological, economic and societal evolution through collaborative research and innovation. It carries out research for the benefit of its members and provides them with information, assistance and technical advice.

Engineering consultancy specialising in special building techniques, i.e. all technical equipment linked to energy and providing comfort and safety for occupants.

C-Energy's innovative solutions cover all aspects of energy management, storage, optimization and trading to provide energy as a service, fully tailored to specific needs and budget, as well as a unique and patented energy storage concept.

As an applied research centre in the field of ICT, CETIC's mission is to support economic development by transferring the results of the most innovative research in ICT to companies, particularly SMEs. CETIC helps companies integrate these technological breakthroughs into their products, processes.