Cluster H2O

NORDITUBE

NordiTube Technologies SE specializes in trenchless pipe rehabilitation. Since 1987, the company has developed and supplied materials, systems, equipment and technical support services for the maintenance, rehabilitation and renewal of sewage, water, gas and industrial pipeline networks.

Rue Ernest Solvay 181, 4000 Liège, Belgique

Last updated: 27/07/2026

Novalis AI

Novalis AI is a technology development agency specialising in the digital transformation of SMEs. The company designs bespoke web platforms and software tools powered by artificial intelligence. Its main aim is to help businesses automate their operations, optimise their processes and facilitate decision-making.

Rue Barrière Moye 18, 1300 Wavre, Belgique

Last updated: 08/09/2026

OCTO – Underwater Experts

With a rich legacy built on the 30 years of expertise from its founders, OCTO is dedicated to delivering cutting-edge underwater solutions 💡 for the industrial 🏭 and construction 🏗️ sectors.

Rue Joseph-Jean Merlot 54P, 5060 Sambreville, Belgique

Last updated: 01/06/2026

Oniryx

Specialized in the development of customized IT applications. Complete development projects (web applications, portals, frameworks, etc.).

Chau. de Charleroi 63, 5030 Gembloux, Belgique

Last updated: 16/10/2025

Phreatis

Phreatis is an engineering office specialized in hydrogeology and shallow/deep geothermal energy.

Rue Laurent Delvaux 31, 1400 Nivelles, Belgique

Last updated: 16/06/2026

Prayon

Prayon is a company specialized in phosphorus chemistry. It develops phosphate solutions, industrial equipment and production processes for a wide range of sectors, while promoting resource efficiency, by-product valorization and circular economy principles.

Rue Joseph Wauters 144, 4480 Engis, Belgique

Last updated: 27/08/2026

Purecontrol

Purecontrol develops an artificial intelligence solution that optimizes industrial processes in real time to reduce energy and chemical consumption as well as associated emissions. Deployed across more than 500 water treatment sites, its technology helps improve both environmental and economic performance, without any additional hardware investment.

Last updated: 06/03/2026

RAISÔ

RAISô propose un service de consultance en environnement, spécialisé dans la gestion des eaux souterraines et de surface. Nous vous accompagnons dans vos projets : infiltration des eaux pluviales et usées, tests de perméabilité, captages d'eau, zones de prévention, études hydrogéologiques.

Rue de la Faille 1, 4000 Liège, Belgique

Last updated: 27/08/2026

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: 27/08/2026

Riopro

Given that each drainage project is unique, Riopro aims to implement efficient water management systems by integrating solutions from our partners. We restore the natural water cycle while respecting ecological and economic aspects. Providing personalized support to our clients during the development of their project is a priority.

Last updated: 27/08/2026

Sense Environnement

SENSE ENVIRONMENT provides a multidisciplinary team, able to understand any problems inherent in the management of energy, air or water, to help reduce the environmental footprint of an organization’s activity.

Rue des Potalles 26a, 4520 Wanze, Belgique

Last updated: 27/08/2026

SFPIM

SFPIM is intent on being a reliable partner for Belgian companies, both SMEs and scale-ups, helping them grow into a reference in their sector by providing “smart capital solutions”.

Av. Louise 32, 1050 Bruxelles, Belgique

Last updated: 10/12/2025

SGI Luxembourg

SGI is a multidisciplinary engineering group with companies in Luxembourg and abroad. Our teams are specialized in the design and management of structures in the fields of Building, Transport and Water.

2 ZA Um Lënster Bierg, 6125 Junglinster, Luxembourg

Last updated: 15/12/2025

Sichem

Sichem provides high quality, innovative coating solutions for the healthcare, energy, hydrogen and sustainable development industries. It uses the latest technologies and techniques to ensure that the coatings meet the unique challenges and opportunities that the customer industry presents and provide the solution it needs.

Rue du Château 70, 6183 Courcelles, Belgique

Last updated: 11/09/2026

Socofe

Together, we imagine and invest in environmental transition solutions for the future of Wallonia.

Last updated: 10/01/2025

Soliseco

Soliseco is developing a connected solution to optimise self-consumption of solar power. Its offering combines a smart box with an energy monitoring app, enabling surplus solar electricity to be used for domestic hot water and heating, whilst optimising energy consumption and reducing the energy footprint of buildings.

Clos du Diable Vert 26, 1390 Grez-Doiceau, Belgique

Last updated: 19/08/2026

Sotrad Water

Sotrad Water was set up to develop, manufacture, market and install water treatment plants capable of producing between 1m³ and 200m³ of water per hour from surface water.

Rue de l'Artisanat 5a, 1400 Nivelles, Belgique

Last updated: 05/08/2024

Spa Monopole

Spa Monopole, founded in 1921 in Spa, is the subsidiary that created the Spadel Group, a Belgian group that produces and markets natural mineral waters, spring waters and natural mineral water-based soft drinks.

Rue Auguste Laporte 34, 4900 Spa, Belgique

Last updated: 23/03/2026

SPGE

The SPGE's main mission is to coordinate and finance the water sector in Wallonia. In consultation with the other water partners, it is primarily responsible for wastewater treatment (from the sewer to the treatment plant) and the protection of water catchments.

Rue des Ecoles 17, 4800 Verviers, Belgique

Last updated: 30/07/2026

SPHERE avocats SRL​

After more than 15 years of working with international firms, the founders of SPHERE wanted to offer their clients a specialized, independent, flexible and responsive firm.

Chau. de la Hulpe 185, 1170 Watermael-Boitsfort, Belgique

Last updated: 05/02/2026

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

SWL

The Walloon Housing Corporation (SWL) oversees, on behalf of the Walloon Government, the supervision, advice, and technical, financial, and administrative support for public housing companies.

Rue de l'Ecluse 21, 6000 Charleroi, Belgique

Last updated: 17/06/2025

SynHERA

SynHERA, to better symbolize the synergy between high schools and companies for applied research.

Rue des Pieds d'Alouette 39, 5100 Namur, Belgique

Last updated: 01/09/2026

Traqua

Traqua is a consultancy specialising in analysis and monitoring techniques for groundwater and surface water flows, offering technological solutions and customised expertise for all hydrogeological and hydrological issues (analysis, diagnosis, monitoring).

Rue Godefroid 5, 5000 Namur, Belgique

Last updated: 27/08/2026

UEE

The expertise of the UR UEE is based on the modelling of urban and environmental systems, through digital models, laboratory models, in-situ monitoring (smart metering) or collaborative tools.

Place du Vingt Août 7, 4000 Liège, Belgique

Last updated: 09/03/2026