Company lists · Data refreshed October 2026

Top 25 Power plant maintenance water treatment services based in France

Name: Power plant maintenance water treatment services based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 29, 2026 88 companies tracked

RevenueBase identified 88 company matches for power plant maintenance water treatment services associated with France as of October 2026 and tracks 1,580 professional contacts across them, including 637 with verified work emails. Paris is the largest hub.

This list covers company matches for power plant maintenance water treatment services associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 29, 2026 How this list was built

88Companies

1,580Contacts tracked

637Verified emails

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The 25 largest power plant maintenance water treatment services based in France

Ranked by team size

Top 25 of 88 company matches for power plant maintenance water treatment services based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Dalkia EN	Exact match	Courbevoie, FranceHQ recorded Oct 29, 2026	501-1,000	530 contacts →
	Exact match “Sur les centrales nucléaires du groupe EDF, nous intervenons sur tous les types de bâtiments, à la fois de production et tertiaires.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
2	Odyssee Environnement Water Treatment	Exact match	Requeil, FranceHQ recorded Oct 29, 2026	51-200	98 contacts →
	Exact match “Since 2006, ODYSSEE Environnement has been committed to ethical and sustainable water management in the service of industrial performance.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
3	Aquaprox Industries	Exact match	Levallois Perret, FranceHQ recorded Oct 29, 2026	51-200	60 contacts →
	Exact match “Bienvenue sur la page AQUAPROX Industries!” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
4	Groupe Orizon	Exact match	Gimont, FranceHQ recorded Oct 29, 2026	51-200	41 contacts →
	Exact match “Orizon propose une offre de service innovante et maîtrisée sur toute la chaîne de traitement de l’eau : produits, matériels, services.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
5	Aloes Traitement DES Eaux	Exact match	Seclin, FranceHQ recorded Oct 29, 2026	11-50	29 contacts →
	Exact match “ALOES TRAITEMENT DES EAUX is a wholesale company based out of ZONE A 12 RUE DE LA POINTE, SECLIN, France.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
6	Assisteaux	Exact match	Couhe - Valence En Poitou, FranceHQ recorded Oct 29, 2026	11-50	27 contacts →
	Exact match “Créée en 1972, ASSISTEAUX est une PME d’une vingtaine de personnes toutes mobilisées pour un seul objectif : “Satisfaire notre clientèle par des produits et des services de…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
7	SESEM	Exact match	Saint-Denis, FranceHQ recorded Oct 29, 2026	51-200	26 contacts →
	Exact match “La société SESEM, créée en 1965, est spécialisée dans la maintenance, l’entretien, le dépannage et les travaux pour assurer l’exploitation des équipements du cycle de l’eau.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
8	Jousse	Exact match	Parigne Sur Braye, FranceHQ recorded Oct 29, 2026	11-50	25 contacts →
	Exact match “L'activité de JOUSSE SAS est la conception, la réalisation et la maintenance des installations de Traitement des Eaux (traitement eau potable, traitement des eaux usées, station…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
9	EPUR	Exact match	FranceHQ recorded Oct 29, 2026	11-50	20 contacts →
	Exact match “Conception, construction et maintenance des stations d'épuration et des usines d'eau potable.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
10	Talassa Purewater	Exact match	Brignais, FranceHQ recorded Oct 29, 2026	11-50	20 contacts →
	Exact match “TALASSA est un fabricant de matériels de traitement de l'eau pour des applications domestiques, industrielles et tertiaires.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
11	Novalair Groupe	Exact match	Montigny-le-bretonneux, FranceHQ recorded Oct 29, 2026	51-200	20 contacts →
	Exact match “NOVALAIR est spécialisée dans la maintenance et l’hygiénisation des réseaux eau et air (nettoyage des gaines et des systèmes de ventilation, entretien des tours aéroréfrigérantes…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
12	Fournié ET CIE Scop SA	Exact match	Sauzé-vaussais, FranceHQ recorded Oct 29, 2026	51-200	19 contacts →
	Exact match “Spécialisés dans le domaine du pompage et du traitement de l’eau, nous faisons en conception et réalisation des stations de pompage, stations d’épuration, traitements d’eau…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
13	Qualleo Environnement	Exact match	Colomiers, FranceHQ recorded Oct 29, 2026	11-50	16 contacts →
	Exact match “Spécialisée dans le traitement d’eau, Qualléo s’inscrit dans les opérations de fourniture de matériel d’équipement de traitement d’eau (adoucisseur, filtration, osmose inverse…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
14	Niortaise DES Eaux	Exact match	Chauray, FranceHQ recorded Oct 29, 2026	11-50	15 contacts →
	Exact match “La Niortaise Des Eaux est spécialiste dans le traitement de l'eau depuis sa création en 1983.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
15	Canatec Groupe	Exact match	Saleilles, FranceHQ recorded Oct 29, 2026	51-200	15 contacts →
	Exact match “CANATEC est une entreprise spécialisée dans le diagnostic, la surveillance, l'entretien et la réparation de toutes les canalisations (eau potable, eaux usées, eaux pluviales…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
16	AGESI	Exact match	Trémery, FranceHQ recorded Oct 29, 2026	1-10	14 contacts →
	Exact match “AGESI est une entreprise spécialisée dans la maintenance et les travaux de ventilation, tuyauterie et traitement des eaux” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
17	EGW Maintenance	Exact match	Duppigheim, FranceHQ recorded Oct 29, 2026	11-50	11 contacts →
	Exact match “Maintenance industrielle - Manutention continue - Matériel pour le traitement des eaux usées - Chaudronnerie - Découpe laser - Pliage” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
18	Artica Water Solutions	Exact match	Cestas, FranceHQ recorded Oct 29, 2026	1-10	9 contacts →
	Exact match “ARTICA Water Solution est une SAS indépendante 100% dédiée au traitement de l'eau et des effluents.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
19	Hydro Elec Services	Exact match	Escorneboeuf, FranceHQ recorded Oct 29, 2026	11-50	8 contacts →
	Exact match “Qui sommes nous?” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
20	Technopur	Exact match	Guéreins, FranceHQ recorded Oct 29, 2026	1-10	6 contacts →
	Exact match “Technopur : votre entreprise de traitement de l’eau autour de Guéreins depuis 1989 Spécialiste en traitement de l’eau certifié NF Habitat, Technopur vous propose de nombreux…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
21	ECT Eaux Collectives & Traitements	Exact match	La Ciotat, FranceHQ recorded Oct 29, 2026	1-10	5 contacts →
	Exact match “Depuis plus de 30 ans, ECT s'impose comme une référence dans la maîtrise des risques liés à l'eau, à travers 2 métiers complémentaires : le traitement des eaux et la protection…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
22	Furnace Solutions	Exact match	Le Havre, FranceHQ recorded Oct 29, 2026	1-10	5 contacts →
	Exact match “Furnace Solutions was established in 2007.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
23	Breman	Exact match	Blainville Sur L'eau, FranceHQ recorded Oct 29, 2026	1-10	4 contacts →
	Exact match “Breman spécialiste de la maintenance industrielle des usines de valorisation énergétique, Biomasse, industries cimentières.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
24	Aqua Maintenance Conseil	Exact match	Saint-étienne-de-crossey, FranceHQ recorded Oct 29, 2026	1-10	3 contacts →
	Exact match “Aqua Maintenance Conseil Traitement des eaux - Adoucisseurs - Osmoseurs - UV Vente - Installation - Contrat d’entretien Particuliers - Professionnels - Collectivités” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
25	DFM Depannages Fournitures Maintenance	Exact match	Villepinte, FranceHQ recorded Oct 29, 2026	11-50	2 contacts →
	Exact match “DFM DEPANNAGES FOURNITURES MAINTENANCE is an utilities company based out of 13 ALLEE LOUIS BREGUET, VILLEPINTE, France.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “power plant maintenance water treatment services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 88 power plant maintenance water treatment services based in France

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Power plant maintenance water treatment services based in France at a glance

As of Oct 29, 2026

40.3%Verified-email coverage

18.0Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · Paris

Oct 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 88 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with France whose business descriptions match “power plant maintenance water treatment services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 637 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “power plant maintenance water treatment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power plant maintenance water treatment services are there based in France?

RevenueBase identified 88 company matches for power plant maintenance water treatment services associated with France as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Dalkia EN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most power plant maintenance water treatment services?

Paris leads with 2 company records, followed by Requeil (2) and Saint-Ouen-Laumone (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 637 professional contacts with verified work emails tracked across these 88 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.