The 62 largest energy companies in Pays de la Loire

Groupe Atlanticgroupe-atlantic.fr

Designing, manufacturing, and marketing heating, air conditioning, ventilation, and domestic hot water solutions. Innovating for durable, efficient, connected equipment and well-being.

Chantiers de l'Atlantiquechantiers-atlantique.com

Marine construction company, building complex ships and marine installations, including passenger ships and substations. Global leader in design, manufacturing, and commissioning of innovative, environmentally friendly vessels.

Sercelsercel.com

Leading provider of high-standard subsurface measurement and data solutions for natural resources, infrastructure monitoring, energy transition, and defense sectors since 1956.

Séché Environnementgroupe-seche.com

Séché Environnement is a leading independent environmental services operator focusing on circular economy, waste management, and global pollution solutions with sustainable development values

AS 24as24.com

Specialized fuel distribution network for heavy goods vehicles across 29 countries, offering secure transactions, competitive prices, and dedicated stations.

MADIC groupgroupe.madic.com

innovative French industrialist in electronic payment, petroleum equipment, services, and Digital Media communication, with a focus on sustainable development values.

MADIC SASgroupe.madic.com

A French leader in payment and petrol equipment and services, providing customized solutions for gas stations, renovations, and compliance updates across France, Spain, and Belgium

Lhyfelhyfe.com

Pure player deploying modular, 100% green industrial hydrogen production plants for mobility and industry, clean and accessible.

Vaillant Group Francejobs.vaillant-group.com

Development and manufacturing of heating and cooling systems focused on renewable energy, providing comfort and customized solutions in France.

Knutsen LNG Franceknutsenoas.com

A subsidiary of Knutsen OAS Shipping managing LNG carriers sailing under the RIF Flag with French officers from a French office

Green Powergreenpower-technologie.com

Global provider of solar PV, energy management, and e-mobility solutions, accelerating innovative, secure, and sustainable energy and mobility adoption through high-value products and services

Leroux & Lotz Technologies (LLT)lerouxlotz.com

Design and manufacture of custom biomass boilers and combustion systems, including maintenance, refurbishment, and complete rebuild services.

Wewise Le Manswewise.fr

Design, installation, and maintenance of photovoltaic plants over thirty-six kilowatts, including green energy supply, financing solutions, and electric vehicle charging stations.

Alter_AnjouLoireTerritoireanjouloireterritoire.fr

A versatile company specializing in territorial development through urban planning, construction, energy management, and economic development in Maine-et-Loire for local communities

ENERGIES DE LOIREenergiesdeloire.com

Offers accessible and simple photovoltaic building solutions in Pays de la Loire and Brittany, installing and producing solar energy for professionals from start to finish.

Territoire d'énergie Loire-Atlantique (TE44)te44.fr

Manages public electricity and gas distribution networks, maintains street lighting, invests in renewable energy infrastructure, and operates electric vehicle charging stations.

SCM - Systèmes et Connectique du Mansscmlemans.com

Design and manufacture of optical, signal, and high voltage connection systems for harsh environments with focus on energy and mobility sectors.

Siéml - Syndicat intercommunal d'énergies de Maine-et-Loiresieml.fr

An intermunicipal energy syndicate in Maine-et-Loire, managing public electricity distribution, gas services, street lighting, renewable energy, and fiber optic deployment

Dome Solardome-solar.com

French leader manufacturing high quality photovoltaic mounting systems for flat and sloped roofs across industrial, commercial, and agricultural sectors with certified technical assistance.

BCV Technologiesbcv-technologies.com

Manufacturing low and medium voltage transformers and reactance coils for demanding applications in various client segments, including water treatment, oil and gas.

Beembeemenergy.fr

Helping individuals take charge of their energy consumption and accelerate the transition to cleaner energy sources for homes

KOHLER Power Control & Distributionpowercontrol.rehlko.com

Specializes in energy distribution and control, serving critical sectors like hospitals, data centers, and transportation with resilient, decarbonized power solutions.

SYSTOVIsystovi.com

Specializing in creating and producing cutting-edge BIPV systems that seamlessly integrate solar panels into building structures for energy generation

Dametisdametis.com

A company reinventing energy and water management in industrial sites, focusing on reducing environmental impact through comprehensive, managed services and software solutions

GROUPE IWFiwf-france.com

Industrial group specializing in energy, gas treatment, bulk product handling and storage, focusing on innovation, sustainability, and global client service.

Sunologysunology.eu

Provider of residential solar solutions including plug-and-play stations, smart custom roofs, modular batteries, and monitoring applications for home energy autonomy and savings.

Armor Battery Filmsarmorbatteryfilms.com

Specializing in enhancing lithium-ion battery performance, En' Safe® provides aluminum/copper foil coated with a conductive primer to improve anode/cathode interface for increased safety and longevity

DINTECgokinell.com

Family-owned company specializing in custom solutions for mobile machine manufacturers, combining expertise in electronics, hydraulics, and more to create innovative and high-quality projects

AXICLIMaxiclim.fr

A Sarthe-based company helping individuals and businesses save money through renewable energies, with services ranging from installation to maintenance

ALKA MARINEalkamarine.com

A new player in renewable marine energy support, offering integrated solutions from design to maritime operations, owns a tugboat and a bathymetric vessel under the French flag

GAROS ENERGIEgaros-energie.fr

Electrotechnical manufacturing company located in France specializing in energy solutions and electrical components

Ben Touchbentouch.group

Development and support of innovative, environmentally friendly energy technologies focused on improving daily life and promoting sustainable projects.

GeniWattgeniwatt.fr

GeniWatt offers turnkey solutions for diesel and gas power plants, providing installation, commissioning, maintenance, and supply of certified replacement parts

PHOTOVOLTphotovolt.fr

Photovolt specializes in designing and installing solar panels for residential and commercial clients, offering services from consultation to installation and maintenance

Novea Energiesnovea-energies.com

Design and manufacture of autonomous public solar lighting systems and networked LED products featuring presence detection, energy storage, and smart management.

VoltRvoltr.tech

French manufacturer recovering lithium cells from end-of-life products to create high-performance, eco-designed batteries through rigorous industrial reallocation and advanced technological processes.

hestiiago.hestiia.com

Innovative company leveraging wasted heat from computers to create sustainable consumer products, driving the energy transition towards a greener future

Be Greenbegreen-group.fr

Design, manufacture, and install solar power plants, solar buildings, canopies, and charging stations with integrated expertise and comprehensive support.

GEPS Technogeps-techno.com

Harvest ocean data, enable offshore communication networks, power subsea equipment with marine renewable energies, develop customized innovative solutions.

SYCOMOREkeon-group.com

Sycomore specializes in operating and maintaining agricultural and territorial biogas units, with a team of experienced multidisciplinary professionals #biomethane #biogas

E.Leclerc Saumure.leclerc

A cooperative retail chain in France, with over 587 members and 721 centers, leading in supermarket sector, focusing on consumer savings and market innovation

Hellospark ⚡️hellospark.fr

French company specializing in renewable energy and electric mobility, transforming unused spaces into solar energy centers with photovoltaic canopies to reduce carbon footprint

2G Energie France SAS2-g.com

Design and supply of turnkey biogas and natural gas cogeneration plants with patented engines, remote monitoring, and nationwide technical support in France.

NEOS SOLAIRE - Orvaultneos-solaire.fr

NEOS specializes in tailored photovoltaic solutions for businesses, focusing on energy efficiency, financial optimization, and sustainability for a greener future

Picoty Ouestpicoty.fr

Specialized in distributing petroleum products and AdBlue for individuals and businesses, also offering industrial waste collection and fuel storage solutions

Artyseo ☀️🧡artyseo.fr

Specializing in renewable energies, our company is dedicated to innovation and sustainable solutions for a brighter future 🌟🔋🌿

Degré Confortdegreconfort.fr

Company specializing in renewable energies, offering solutions for heating, ventilation, and air conditioning systems with a focus on reducing environmental impact and providing state aid guidance

ENER'J TECH

Providing consultancy and technical assistance for commissioning, improvement, and supervision of electrical energy projects in production and distribution sectors

Level’Uplevelup-cdc.fr

Specializes in selling and installing energy solutions for home renovations, catering to individual homeowners

GazoTechgazotech.com

A France-based company developing biomass/waste-to-energy projects and distributing gasification systems worldwide for renewable energy production Focus on France, Caribbean, and Africa

HelioRec | BCorpheliorec.com

HelioRec® constructs floating solar power plants in near-shore areas to provide renewable energy for densely populated regions worldwide

L'Atelier des Énergieslatelier-energies.fr

The company focuses on finding energy solutions for homes to save energy, increase comfort, and achieve energy autonomy in the face of rising energy prices in France

WATTPARKwattpark.eu

The company has developed a mobile-controlled chargepoint that can be reserved and monetized, offering innovative solutions for electric vehicle charging

Sparklinsparklin.io

EVSE developer offering smart slow charging solutions for Electric Vehicles, communication via WiFi and 4G, targeting mobility operators, companies, and housing Focus on energy transition and affordability

Loborneloborne.com

Specializing in EV charging solutions, installation, and maintenance with a focus on customer satisfaction Innovative, professional team dedicated to sustainable transportation

LEROUX LOTZ INDUSTRYlerouxlotz.com

Specializing in modular equipment for environment and oil & gas industries, we design, manufacture, and deliver complex mechanical systems for various markets

Atlantique Offshore Energyatlantique-offshore-energy.com

Specializing in tailor-made solutions for the Marine Energy Industry, providing Engineering, Procurement, Construction, Installation, and Maintenance services with a focus on Offshore Substations

Plug2Goplug2go.fr

Plug2Go is a Nantes-based startup specializing in electric vehicle charging infrastructure, part of THD Network group focused on fiber optic deployment and IoT

Enerfoxenerfox.fr

A young start-up guiding businesses towards energy transition using advanced technologies to deploy renewable energies and self-consumption, offering hardware, software, and a dedicated web platform

Société Énergie Mayenne

A mixed economy company supporting energy transition in Mayenne by developing local renewable energy projects with public and private actors, involving citizens' participation

Ma Petite Énergiema-petite-energie.fr

A franchise network specializing in selling and installing solar aero-voltaic systems for residential customers, providing innovative solutions and personalized customer service

BIP ET VOUS PLUGINbipetvous-plugin.fr

Certified installer of connected charging stations for electric vehicles Headquartered in Les Sables d'Olonne with an agency in Le Mans 🔋🔌