Water treatment

Airwatec

Airwatec has two Business Units in filtration: WATER and AIR. Manufacturer of domestic and industrial water and air filters for the treatment of drinking water, rainwater, and well water under the CINTROPUR brand. Our air filters and dust collectors serve all sectors to protect operators and machines operating with air. Custom-made solutions.

Rue Haute 104, 4700 Eupen, Belgique

Last updated: 13/03/2026

Almadius

ALMADIUS SRL is a consultancy active in the various fields of environmental engineering, including : domestic and industrial wastewater management ; drinking water management ; rainwater and surface water management ; this includes audits, studies, construction, commissioning and operation, as well as institutional support.

Chau. de Waterloo 320, 5002 Namur, Belgique

Last updated: 14/02/2025

ANATIS

We install complete bio-methanation installation with CHP unit from 5kW to more than 1000kW electrical.

Pl. St Jacques 11, 4000 Liège, Belgique

Last updated: 23/04/2025

Aqua Nove

Creation and restoration of aquatic ecosystems on vegetated rafts. More than 30 years of experience in the field of aquatic resource management, surface water bioremediation, economic recovery of by-products generated in purification processes.

Grand'Rue 1, 6800 Libramont-Chevigny, Belgique

Last updated: 26/06/2024

Aquapôle - ULiège

Located within the Sart Tilman University campus in Liège, Aquapole is a research and development centre and expertise in water sciences serving public institutions and businesses, both regional and international.

Campus de l'Université de Liège - Sart Tilman, Allée de la Découverte 11, 4000 Liège, Belgique

Last updated: 20/06/2024

ASPAC Engineering

ASPAC International est un entrepreneur EPC (Ingénierie - Approvisionnement - Construction) belge qui possède une grande expertise dans le secteur de l'eau.

Av. de l'Espinette Centrale 1, 1640 Rhode-Saint-Genèse, Belgique

Last updated: 13/11/2024

Astra Services

Design and manufacture of turnkey assemblies for water treatment, storage and dosing of reagents.

Rue de Nazareth 14, 4651 Herve, Belgique

Last updated: 06/03/2026

Balteau

Balteau provides engineering solutions for the purification, treatment, pumping and recycling of water and sludge, relying on its design office, engineers and manufacturing workshops.

Rue de la Légende 63, 4141 Sprimont, Belgique

Last updated: 12/01/2026

BESIX Environment

BESIX Environment is a solution partner in development, design, engineering, execution, commissioning and O&M in the fields of water production and treatment, energy recovery from sludge and waste, hydroelectric infrastructures, biogas and low-carbon hydrogen production in Belgium and abroad.

Av. des Communautés 100, 1200 Woluwe-Saint-Lambert, Belgique

Last updated: 23/04/2025

Biogaz du Haut Geer

Production of biogas from organic materials (including process water), biogas recovery from electricity, heat and fuel vehicles, wood chip drying and biomass boilers, wood briquettes production, organic fertilizer production for organic farming.

Rue Pont de Darion 18, 4250 Geer, Belgique

Last updated: 06/03/2026

Buildwise

Buildwise supports the construction sector in its technological, economic and societal evolution through collaborative research and innovation. It carries out research for the benefit of its members and provides them with information, assistance and technical advice.

Rue du Lombard 42, 1000 Bruxelles, Belgique

Last updated: 12/03/2026

Bureau Greisch

Structural, architectural and special techniques studies.

All. des Noisetiers 25, 4031 Liège, Belgique

Last updated: 23/04/2025

CEBEDEAU

CEBEDEAU, a centre of expertise and research, aims to provide practical, innovative solutions to the various sustainability challenges linked to water.

Campus de l'Université de Liège - Sart Tilman, All. de la Découverte 11, 4000 Liège, Belgique

Last updated: 23/04/2025

Celabor

CELABOR, Smart Nature for Better Life. As a scientific and technical service center, Celabor promotes sustainable development through its expertise and advice to companies in the fields of FOOD, EXTRACT, ENVIRONMENT, MATERIALS (packaging, textiles and bio-based applications)

Av. du Parc 38, 4650 Herve, Belgique

Last updated: 12/02/2026

Cenaero

Cenaero supports companies in their product, service and/or process innovations using digital simulation, optimisation and artificial intelligence methodologies and tools. The centre is active in the Aerospace, Transport, Processes, Energy, Buildings and Environment sectors.

Rue des Frères Wright 29, 6041 Charleroi, Belgique

Last updated: 18/03/2026

Cintropur

Cintropur filters are manufactured in Belgium. This wide range is designed for activated carbon treatment, screen filtration with fineness from 1 to 300 µm, and UV-C sterilization of water for domestic and industrial use.

Hochstraße 104D, 4700 Eupen, Belgique

Last updated: 13/03/2026

Contrat de Rivière Moselle ASBL

Active in the Our, Attert and Haute-Sûre catchment areas, the Moselle river contract brings together all the river users who have a direct or indirect influence on the quality of the water and the river habitat. The aim is to establish collaboration between all the players in order to describe and resolve the problems raised.

von-Orley-Straße 24, 4790 Burg-Reuland, Belgique

Last updated: 26/06/2024

COWALCA

Cowalca is a renowned company specialized in water supply, sanitation, pumping and special techniques.

Rue des Pieds d'Alouette 18, 5100 Namur, Belgique

Last updated: 11/04/2024

CSD Ingénieurs Conseils

CSD is one of the leaders in engineering consulting. Founded in 1970, CSD offers its customers a relationship of low continuity on trust.

Av. du Prince de Liège 72, 5100 Namur, Belgique

Last updated: 23/04/2025

Decubel

Decubel is a company specialized in earthworks, water management, drainage and utility infrastructure. It provides technical solutions for site preparation, installation of water networks and sustainable infrastructure projects, serving public authorities, industrial clients and development projects.

Rue de l'Adoption 61, 5660 Couvin, Belgique

Last updated: 06/03/2026

e-biom

Specialising in genomic and bioinformatics analysis services, including DNA/RNA sequencing and microbiota analysis. Its digital tools interpret biological data for researchers, laboratories and scientific institutions.

Last updated: 03/10/2025

ecobeton water technologies

Fabrication de solutions adapté pour la gestion des eaux domestiques-industreille, épuration des eaux domestiques et de voieries. Fabrication de bassins préfabriqués, distribution de système de drainage. Fabrication des solutions d'infiltrations- Service SAV en épuration-infiltration en général...

Last updated: 26/06/2024

Eloy Water

We specialise in plot-based water management for both private individuals and local authorities.

Rue des Spinettes 13, 4140 Sprimont, Belgique

Last updated: 18/12/2025

Epuval

Epuval provides: • Permeability testing (percolation, infiltration) of rainwater and wastewater, including reports and plans. • Extensive wastewater treatment systems (planted filters, dry toilets) and stormwater management systems (swales, infiltration basins, retention ponds). • System maintenance. • Expertise and training sessions.

Rue de la Charmille 16, 4577 Modave, Belgique

Last updated: 09/03/2026

écoRce

écoRce was founded in July 2005 out of a desire to create an engineering and consulting firm specializing in the objectivized integration of sustainable development concepts into construction and city planning.

Rue de Fragnée 67a, 4000 Liège, Belgique

Last updated: 23/04/2025