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

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

Greencom Development

Airria is a brand of Greencom Development SCRL. The company specializes in the design, development and manufacture of decentralized, integrable, and mass-produced dual-flow ventilation systems.

Rue Gilles Magnée 92, 4430 Ans, Belgique

Last updated: 25/02/2026

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

Greenfish

The company operates as a consulting firm focusing on three pillars: engineering, strategy, and the environment.

Av. Louise 279, 1000 Bruxelles, Belgique

Last updated: 21/11/2024

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: 04/08/2025

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: 12/03/2026

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: 13/11/2025

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: 17/12/2025

Groupe Dufour

Heavy loads cranes ; Exceptional Transport and Wide Load Transport Services ; Wind turbine assembly and maintenance; Boom lift up to 90 m ; civil engineering work - road plan and foundation work ; Concrete delivery; Fuel delivery; Container renting.

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

Last updated: 02/10/2025

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

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

H2MobiWal

H2MobiWal proposes the design and installation of micro-fuelling stations for hydrogen, shared and domestic vehicles.

Rue Louis Maréchal 101b, 4360 Bergilers, Belgique

Last updated: 23/04/2025

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

Hainaut Développement

Economic and Environmental Development Agency for the Province of Hainaut. As a provincial institution, its main role is to offer support, advice and information services on a wide range of subjects.

Bd Initialis 22, 7000 Mons, Belgique

Last updated: 13/05/2025

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

Haulogy

Haulogy offers energy management software, including electronic billing, meter management, energy sharing, flexibility, assets and regulations. Its consulting services and AI solutions (scoping, strategy, data management) optimise the processes of network operators and suppliers, supporting the energy transition.

Rue des Archers 58, 7090 Braine-le-Comte, Belgique

Last updated: 25/02/2026

HELHa

The Haute École Louvain en Hainaut offers bachelor's degrees, master's degrees and specialisations in 7 categories.

Chau. de Binche 159, 7000 Mons, Belgique

Last updated: 20/02/2026

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

HEPH-Condorcet

The Haute École Provinciale de Hainaut - Condorcet offers a variety of study programs, including Agronomy, Economics, Education, Paramedical, Computer Science, etc. Its Applied Research Service (ARS) supports teacher-researchers in applied research and fosters partnerships with the CARAH asbl and other institutions and businesses.

Universite du Travail, Boulevard Gustave Roullier 1, 6000 Charleroi, Belgique

Last updated: 29/12/2025