Operations and Maintenance

EXTRAQT

EXTRAQT is the expert in sustainable heating with aquathermal energy, a heat pump technology that uses surface water as a source.

Brusselsestraat 190, 3000 Leuven, Belgique

Last updated: 06/03/2026

Fairwind

Manufacturer of Vertical Axis Wind Turbine: 5kW-50kW.

Chau. de Gilly 299, 6220 Fleurus, Belgique

Last updated: 02/10/2025

FREMEN GEO

Design office specializing in geology, geophysics and geotechnics

Rue des Combattants 33, 4130 Esneux, Belgique

Last updated: 26/06/2024

Geolys

Geolys is an energy and environmental consulting firm present in all 3 regions and working in the following fields: soils, water and geothermal energy.

Quai Sadoine 9, 4100 Seraing, Belgique

Last updated: 03/02/2026

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: 17/12/2025

Hydras Water Management

Founded in October 2023, Hydras Water Management is a Belgian company specializing in water management and environmental finance. With 25 years of expertise, it offers comprehensive services including project management, financing, and consortium participation.

Rue du Nouveau Sart 25, 4050 Chaudfontaine, Belgique

Last updated: 12/04/2024

Index+

INDEX+ offers a complete solution for building and renewable energy system managers, from the selection and supply of metering equipment to a digital platform providing real-time access to data for statistics, reporting and interactive equipment management.

Rue Colonel Bourg 127, 1140 Evere, Belgique

Last updated: 19/01/2026

Kingspan Logstor

Leader within District Heating, offering complete pre-insulated pipe systems with focus on energy efficiency.

Jadelaan 43-47, 2132 XX Hoofddorp, Pays-Bas

Last updated: 15/12/2025

Liquileaks

Liquileaks is a Liégeoise company that offers solutions for optimizing the performance of water networks.

Rue du Progres 8, 4821 Dison, Belgique

Last updated: 26/06/2024

Mideo

TPE of General Electric. Development of lighting systems tailor-made, and more particularly autonomous lighting and high-performance.

Chau. de Beaumont 17, 7000 Mons, Belgique

Last updated: 23/04/2025

MMConcept

Maintenance, industrial mechanics, stainless steel and synthetic piping. Industrial drawing and product design.

Verte Voie 35, 4890 Thimister-Clermont, Belgique

Last updated: 20/06/2024

PIPE Consult

PIPE Consult is your partner for inspection, maintenance and trenchless rehabilitation/repair of pipes and sewers.

Rue des Waides 16, 4890 Thimister-Clermont, Belgique

Last updated: 31/07/2024

RaYSun

Developing and financing green energy sharing projects in the Benelux and France.

Rue du Marais 49, 1000 Bruxelles, Belgique

Last updated: 03/02/2026

RESA

Gas and electricity distribution system operator.

Rue Louvrex 95, 4000 Liège, Belgique

Last updated: 23/04/2025

Revalio

Revalio is a sustainable water company based in Belgium, delivering circular solutions to industries.​

Av. Emile de Beco 74, 1050 Bruxelles, Belgique

Last updated: 20/03/2025

Safe Water Systems

Safe Water Systems is a Belgian company specialized in securing water by ultrafiltration and reverse osmosis technology.

Rue Natalis 2, 4020 Liège, Belgique

Last updated: 26/06/2024

Silicium Solar Energie

Silicon Solar Energie is a company specialized in the installation of photovoltaic equipment.

Chau. de Maubeuge 536, 7024 Mons, Belgique

Last updated: 23/04/2025

Skysun

Skysun funds the solar installations of companies (CAPEX) and provides long-term management (OPEX). Each partner organization has access to solar energy without having to bear the cost of investing or maintenance.

Rue de la Forge 10, 1470 Genappe, Belgique

Last updated: 23/04/2025

Solenis Belgium

Solenis is one of the world's leading providers of water solutions. We supply a wide range of water treatment chemicals, process aids, and state-of-the-art monitoring, control, and delivery systems.

Avenue Louise 489, 1000 Bruxelles, Belgique

Last updated: 02/03/2026

SPARX Industries

Design, manufacture and assembly of all types of piping and boilerwork, including installation and maintenance. Management of all types of fluids in all materials.

Zoning Industriel 2ème 20, 6040 Charleroi, Belgique

Last updated: 08/10/2025

SWDE

Public society responsible for the production, water distribution and ressources protection. SWDE exploits tools for data collection and management that supplies softwares and that enables the infrastructure follow-up, water flow, water quality and geographical information.

Last updated: 04/02/2026

S²Engineering

S²E is short for “Smart & Sustainable,” reinforcing its goal of linking technology with sustainable development. The term ‘Engineering’ that follows is equally important because it affirms the approach with which the two “S”s are treated: like engineers. This signifies our commitment to rigor and measurement in all actions taken in both “S”s.

Pl. du Perron 23, 6030 Charleroi, Belgique

Last updated: 09/03/2026

Tetraedre Solutions

Since 2023, Tetraedre Solutions has been representing water monitoring systems (probes and telemetric systems) manufactured by In-Situ (USA), Tetraedre (Switzerland) and Albillia (Switzerland) in Belgium and Luxembourg. Tetraedre Solutions also provides design, installation, maintenance, support for the use of the equipment and data processing.

Rue de la Chapelle 43, 4550 Nandrin, Belgique

Last updated: 01/10/2024

Tonomia

Specialising in transforming car parks into solar hubs, Tonomia combines photovoltaic energy production, electric vehicle charging stations and modular data centres for AI. Powered by local renewable energy and equipped with GPUs, these distributed infrastructures reduce costs, carbon footprint and dependence on traditional data centres.

Rue des Gaillettes 20, 4651 Herve, Belgique

Last updated: 06/03/2026

Tractebel Engie

Tractebel is a global engineering consultancy company with worldwide expertise in energy, water and infrastructure projects.

Bd Simon Bolivar 34, 1000 Bruxelles, Belgique

Last updated: 23/04/2025