OTRA

Company active in the construction and renovation sector, using bio-sourced and ecological materials.

Av. Duc Henri de Brabant 6, 1300 Wavre, Belgique

Last updated: 10/12/2025

OWA6

Builder of charging stations for businesses. Belgian production in collaboration with Jean Del’Cour workshops. Charging station for electric car.

Rue de l'Expansion 29, 4460 Grâce-Hollogne, Belgique

Last updated: 23/04/2025

Oxfam-Magasins du monde

Belgian movement of 4,500 citizens active in fair trade and second-hand products in nearly 100 shops and 110 schools, acting, raising awareness and mobilising for sustainable, social and solidarity-based development. Oxfam is also active in B2B with a service dedicated to companies: sales of gift parcels, fair trade products with company logos.

Rue Provinciale 285, 1301 Wavre, Belgique

Last updated: 01/02/2025

Paille-Tech

Construction of environmentally-friendly, healthy and comfortable buildings using natural, sustainable and local materials (wood, straw, raw earth), supporting the development of a local circular economy.

Rue de la Glacerie 7, 5150 Floreffe, Belgique

Last updated: 10/12/2025

Parker Hannifin

Parker’s Energy Grid Tie (EGT) Division is a leading multi-technology solution provider for the energy market. With its European headquarters in Littlehampton UK the EGT division is a centre of excellence for power conversion and battery storage systems used in energy grid applications.

Av. Robert Schuman, 1400 Nivelles, Belgique

Last updated: 24/04/2025

Passeurs d'Energie

public awareness for sustainable energy saving habitat and lifestyles.

Rue Eugène Thibaut 1, 5000 Namur, Belgique

Last updated: 24/04/2025

Paumelles Liégeoises

Manufactures split-hinges for welding, hinges for welding on all type of surfaces such as steel doors, stainless steel (304 & 316L), aluminium, etc.

4ème Avenue 5, 4040 Herstal, Belgique

Last updated: 23/04/2025

Pellets Box

Pellet Box is a simple pellets boiler to install, all a competitive price (tbd). It comes in a kit "all-in-one" in the form of a box incorporating the boiler, pellet tank and connections needed for a quick and practice installation.

Rue Natalis 2, 4020 Liège, Belgique

Last updated: 24/04/2025

PelletStock

Pelletstock is an online platform that lists prices of pellets by region for consumers and allow them to save money on the purchase of their energy.

Rue Joba 9, 4053 Chaudfontaine, Belgique

Last updated: 23/04/2025

Pepps

Pepps develops digital solutions to automate, monitor, and analyze technical processes. In the water sector, the company designs systems for monitoring, data processing, and decision support, integrating instrumentation, IoT, and image analysis to improve accuracy, responsiveness, and operational management.

Av. Alexander Fleming 10, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 04/03/2026

Perpetum Energy

PerPetum – a dynamic and growing enterprise specialized in sustainable power systems, financing, installation, montitoring, and related services – was founded with a clear mission: Help homeowners and businesses alike to adopt clean power, and provide them with ownership of their energy sourcing.

Esplanade 1, 1020 Bruxelles, Belgique

Last updated: 23/04/2025

Peruweld

Peruweld design and produce your pressure vessels and storage tanks up to 7,5m diameter in workshop, silos up to 600m3, reactors, scrubbers, washers, columns, chemney, high diameter pipes up to 60 tons.

Rue de la Verte Reine 3, 7600 Péruwelz, Belgique

Last updated: 23/04/2025

PFI Informatique

Formations informatiques tous niveaux sur les logiciels de la suite Microsoft Office (principalement Excel et Access). L'entreprise privilégie les formations en petits groupes homogènes d'une même entreprise, afin de former les participants sur les fichiers réels de travail.

Jevoumont 20, 4910 Theux, Belgique

Last updated: 10/12/2025

Phreatis

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

Rue Laurent Delvaux 31, 1400 Nivelles, Belgique

Last updated: 06/03/2026

Pierre Berger

For more than 50 years, the Pierre BERGER Bureau d’Etudes has been supporting its clients in the implementation of their projects. This shared experience within a multidisciplinary team of more than 15 employees supervised by specialists allows to offer services and skills of the highest level.

Voie de l'Air Pur 6, 4052 Chaudfontaine, Belgique

Last updated: 04/06/2025

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

Pirotech

Pirotech is a consulting engineering consulting firm specializing in energy efficiency and carbon emission reduction.

Av. Général Aymes 18, 5030 Gembloux, Belgique

Last updated: 20/01/2026

Plastic Omnium

Plastic Omnium is the world's leading supplier of plastic and composite body parts and modules. In particular, PO manufactures fuel tanks for hydrogen-powered vehicles.

Rue de Ransbeek 310, 1120 Bruxelles, Belgique

Last updated: 06/08/2024

PMP

PMP is designed to encourage the construction of buildings with very low need for energy and based on the concept of the passive house.

Rue Saucin 70, 5032 Gembloux, Belgique

Last updated: 23/01/2025

Poly-Tech Engineering

Poly-Tech Engineering SPRL is a consulting firm that specializes in Special Techniques, energy efficiency, and sustainable design for buildings in Brussels and Wallonia.

Rue du Parc 47, 6000 Charleroi, Belgique

Last updated: 07/11/2024

PolyOne Belgium

PolyOne is a specialized polymer material solution provider with a global understanding of the photovoltaic market and a broad portfolio that provides safe, effective solutions for the solar industry.

Rue Melville Wilson 2, 5330 Assesse, Belgique

Last updated: 24/04/2025

PowerPulse

PowerPulse is a neutrally positioned energy consulting firm with expertise in the different aspects of the energy market (generation, grids and B2B end users). Since 2014 PowerPulse supports and facilitates energy intensive companies (SMEs and large industrials) to structurally reduce energy costs and implement a sustainable climate strategy.

Kardinaal Mercierplein 1/101, 2800 Mechelen, Belgique

Last updated: 26/02/2026

Praxair

Praxair, Inc. est la plus grande entreprise de fourniture de gaz industriels d'Amérique du Nord et Sud, et l'une des plus importante au monde dans ce secteur.

Rue des Pieds d'Alouette 44, 5100 Namur, Belgique

Last updated: 24/04/2025

Pépinières Pirothon

Depuis 30 ans, l'entreprise Pirothon est spécialisée dans la production de plants forestiers et la réalisation de travaux liés au reboisement.

Last updated: 24/04/2025

Pôle MecaTech

The MecaTech cluster aims to increase the partnership between the worlds of industry, research and training in order to improve the competitiveness of Wallonia through innovative projects.

Rue Jean sonet 21, 5032 Gembloux, Belgique

Last updated: 12/03/2026