Renewable energy

GCW

GreenCityWallonie is a cooperative citizen company that carries out public and private projects combining 3 sustainable objectives: - increasing the share of renewable energy and lowering your electricity bills - increase ibiodiversity - societal impacts locally (child welfare).

Rue Samuel Manet 3, 7070 Soignies, Belgique

Last updated: 23/04/2025

GE4S

GE4S imports, distributes, designs, and installs renewable energy production systems, mainly photovoltaic. GE4S also offers servicing and maintenance services.

Rue Prte Basse 3, 6900 Marche-en-Famenne, Belgique

Last updated: 12/12/2025

GIM

A provider of geospatial data integration, geospatial AI and Geo-ICT solutions, GIM helps private companies and public authorities make smarter decisions and work faster thanks to the potential of geodata. Its flagship product Belmap provides a complete overview of buildings, addresses and their characteristics throughout the Benelux.

Rue Camille Hubert, 5032 Isnes, Belgique

Last updated: 28/05/2026

Graux

For engineering companies, Graux build machines following customers’ drawings. Graux acts as “customer’s workshop” with a total transparency and very open communication in order to constantly improve methods of fabrication.

Zone Industrielle Plantis des Aisements 3, 6590 Momignies, Belgique

Last updated: 30/07/2026

Green

Green is the ideal partner for the design, implementation and financing of your photovoltaic installation project, regardless of its size and power.

Av. Lavoisier 25, 1300 Wavre, Belgique

Last updated: 23/04/2025

Green label

Green Label is an analysis and consultancy company specialising in energy studies and building monitoring. The company uses thermography and infiltrometry to detect moisture problems, water leaks and infiltration. It also offers PEB certification and water vapour diffusion studies.

Rue de Henne 8, 4053 Chaudfontaine, Belgique

Last updated: 26/02/2026

Green-Invest

Green-Invest is a third-party investor or co-investor in photovoltaic installations, particularly in Belgium and Italy.

Chau. de Bruxelles 117, 1310 La Hulpe, Belgique

Last updated: 24/04/2025

Greenelec Europe

Project management, synergy in the realization of business plan, for teaching aspects concerning participation of local population, in the organization of community financing and in profit optimization for the local population.

Rue du Beynert 64, 6717 Attert, Belgique

Last updated: 24/04/2025

GreenMAT

The GREENMAT laboratory is specialized in the development and characterization of inorganic materials with controlled microstructures (mainly metal oxides) in the form of powders or films for applications related to energy, the environment, health, and protective coatings.

All. du Six Aout 17, 4000 Liège, Belgique

Last updated: 08/09/2026

GreenPlug Engineering

GreenPlug Engineering is an international consulting and engineering company specialized in wind energy, hydropower, solar energy and storage.

Av. de la Couronne 236B, 1050 Ixelles, Belgique

Last updated: 23/04/2025

GreenWin

GreenWin is an innovation cluster for environmentally friendly technologies, one of the six competitive clusters set forth by the Wallonia Government. It is dedicated to the green economy and sustainable development.

Rue Auguste Piccard 20, 6041 Charleroi, Belgique

Last updated: 26/03/2026

Grimonprez Transmission Gears

Grimonprez is specialized in manufacturing all types of gears (straight gears, internal gears, spiral bevel gears, helical gears, ... ) and manufacturing of tranmission components. We manufacture all gear in-house, thanks to our machines of high technologie and an experienced and competent staff.

Rue Theodor Klüber 7, 7711 Mouscron, Belgique

Last updated: 30/07/2026

Groupe Comet - Traitements

The Group's Comet Traitements department specialises in the treatment and recycling of metal waste shredding residues: end-of-life vehicles (ELV), waste electrical and electronic equipment (WEEE), scrap metal, etc. Comet processes 77% ferrous metals, as well as non-ferrous metals (copper, aluminium, etc.), minerals (glass, etc.) and, since 2012, plastics.

Rivage de Boubier 25, 6200 Châtelet, Belgique

Last updated: 28/07/2026

Groupe Dufour

Groupe Dufour is a group of companies operating in lifting services, environmental management, logistics, civil engineering, energy and construction materials. It provides solutions for businesses and public authorities, including activities related to resource collection, treatment and recovery.

Rue de la Terre A Briques 18, 7522 Tournai, Belgique

Last updated: 08/09/2026

Groupe François SA

Recybois is a young and innovative company that demonstrates, through its activities, the possibility of linking economic and sustainable development.

Zoning Industriel 13, 6760 Virton, Belgique

Last updated: 24/04/2025

Géotherm Engineering

Geotherm Engineering SRL is a design office created by the association of senior engineers specialized in sustainable energy solutions. The team is working on the development of innovative projects aimed at harnessing local energy potential, such as the reuse of former Martelange shale quarries, mining geothermal energy, riothermia and aquathermal energy.

Chem. de Vieusart 175, 1300 Wavre, Belgique

Last updated: 17/04/2026

H. Berg & associés

The engineering office H. Berg & associés S.P.R.L. is working on the special fields of water management in residential areas, water engineering, road and bridge construction and the winning of energy from renewable sources.

Rue Haute 160, 4700 Eupen, Belgique

Last updated: 24/04/2025

H2Net Solutions

Energy storage in the form of hydrogen obtained by electrolysis of water using green electricity (often excess, but not necessarily) and other sources. Rebalancing towards the network thanks to this stored hydrogen that can produce electricity via a fuel cell.

Rue des Noyers 14, 1460 Ittre, Belgique

Last updated: 24/04/2025

Halo Steelrings

Fabrication de structures métalliques et de parties de structures.

Avenue Greiner 1, 4100 Seraing, Belgique

Last updated: 23/04/2025

Hamon

The Hamon Group is a world player in engineering & contracting (design, installation and project management).

Rue Emile Francqui 2, 1435 Mont-Saint-Guibert, Belgique

Last updated: 23/04/2025

Harmeling

Studies and fabrication of electronic circuit boards for embedded systems. Development of BMSs (battery management systems) for electric vehicles.

Rue de Spa 186, 4920 Remouchamps, Belgique

Last updated: 24/04/2025

Helios Group

Helios Group is specialized in renewable energy and energy transition, and is particularly active in the development of photovoltaic projects or energy communities in Wallonia.

Rue de l'Ourgnette 27, 5377 Somme-Leuze, Belgique

Last updated: 20/09/2025

HELMO

The Haute Ecole HELMo is a higher education institution offering courses in education, paramedicine, social work, technology and economics.

Rue du Mont St Martin 41, 4000 Liège, Belgique

Last updated: 20/02/2026

HesbEnergie

HesbEnergie is a cooperative citizen renewable energy company active in Hesbaye, which develops, finances and operates local green energy projects.

Rue du Chemin de Fer 4, 1350 Orp-Jauche, Belgique

Last updated: 06/02/2026

Hinicio

Hinicio is a consulting company specialized in energy and sustainable transport strategy, covering renewable energy, energy storage, energy efficiency and transport technologies. In addition, Hinicio has a competence center in the field of hydrogen.

Rue des Palais 44, 1030 Schaerbeek, Belgique

Last updated: 23/04/2025