Company lists · Data refreshed November 2026

Top 25 Sewer system design consultants based in France

RevenueBase identified 125 company matches for sewer system design consultants associated with France as of November 2026 and tracks 958 professional contacts across them, including 325 with verified work emails. Paris is the largest hub.

This list covers company matches for sewer system design consultants 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 November 6, 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 Nov 6, 2026 How this list was built
125Companies
958Contacts tracked
325Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest sewer system design consultants based in France

Ranked by team size
Top 25 of 125 company matches for sewer system design consultants based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMontreuil, FranceHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“OGI est un bureau d'études spécialisé en aménagement d’espaces publics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“PROLOG INGENIERIE is a consulting engineering firm at the forefront of water management and remote-controlled systems, committed to enhancing water quality and environmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIvry-sur-seine, FranceHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Bienvenue chez EPDC, expertise pluridisciplinaire et indépendante en ingénierie et études techniques, où le savoir-faire et l'innovation élaborent des solutions uniques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLisieux, FranceHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“TOPO-ETUDES Est un bureau d'études spécialisé dans la conception des réseaux aériens et souterrains de Distribution d'Energie, la société a été créée en 1990 et a développé des…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchTrélazé, FranceHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Technicité et innovation pour vos projets réseaux : Depuis sa création en 1947, Humbert conçoit et réalise la pose et la réhabilitation des réseaux d'eau, d'assainissement et…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFougères, FranceHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Tecam, créée en 1990, est un bureau d’études spécialisé en urbanisme, en ingénierie, environnement et maîtrise d’œuvre VRD.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBlanquefort, FranceHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Ingénierie & Topographie - Ville et déplacements - Eau et assainissement - Infrastructures de transport - Industrie”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSaint-rémy, FranceHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Implantée depuis plus de 50 ans à Saint-Rémy, dans l’Ain, SOMEC intervient pour la conception et la réalisation dans les domaines suivants : assainissement, eau potable, VRD…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLanderneau, FranceHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Créée en 1992, TPAe est un bureau d'étude spécialisé dans le domaine de la collecte, de la distribution et du traitement de l'eau (eau potable, eaux usées et eau potable).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFranceHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Conception, construction et maintenance des stations d'épuration et des usines d'eau potable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLognes, FranceHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Viatec Eco Group est un ensemble de 4 Bureaux d’Etudes Techniques créé avec d’anciens salariés d’un B.E.T aménagement et V.R.D de dimension internationale, travaillant ensemble…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSanteny, FranceHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“CAE, créé en 2004 est un bureau d’étude indépendant, de contrôle, et d’expertise dans le domaine de l’assainissement et de l’environnement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVilleneuve D'ascq, FranceHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“STRATE - Bureau d'étude Amenagement urbain, VRD.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNice, FranceHQ recorded Nov 6, 202611-5012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSt.-maur-des-fossés, FranceHQ recorded Nov 6, 202611-509 contacts →

Exact match

“AVERCE est un bureau d’études et conseil en BTP, spécialisé dans la voirie et l’assainissement, les réseaux de traitement des eaux pluviales, usées ou potables”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAgen, FranceHQ recorded Nov 6, 202611-509 contacts →

Exact match

“PME, créée en 2004, notre société réalise principalement des missions d’ingénierie d’Aménagement, d’Infrastructures et de Mobilité pour des clients publics et privés de la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSaix, FranceHQ recorded Nov 6, 202611-509 contacts →

Exact match

“SEIHE réalise de nombreuses installations d'eau potable et d'assainissement dans tout le grand Sud-Ouest : Construction de stations de pompage (eaux usées, eau potable, eaux…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHoenheim, FranceHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Emch+Berger Strasbourg fait partie du groupe d’ingénierie allemand Emch + Berger Groupe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOullins, FranceHQ recorded Nov 6, 20261-108 contacts →

Exact match

“C2i Conseil est un Bureau d’Études Techniques pluridisciplinaire de Conseil, Conception et Ingénierie expert dans les domaines de l’eau, l’assainissement, les VRD, l’hydraulique…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSaint-nizier-sous-charlieu, FranceHQ recorded Nov 6, 202611-508 contacts →

Exact match

“RÉSEAU D'ASSAINISSEMENT | RÉSEAU SECS | ADDUCTION D'EAUX POTABLE | ASSAINISSEMENT INDIVIDUEL | VOIRIE | AMÉNAGEMENT EXTÉRIEUR | TERRASSEMENT | GÉNIE ÉCOLOGIQUE Depuis 1996, une…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLyon, FranceHQ recorded Nov 6, 20261-107 contacts →

Exact match

“IATEC est un Bureau d’Etudes Techniques de Maîtrise d'Oeuvre VRD spécialisé dans la conception et la réalisation d’infrastructures urbaines et aménagements extérieurs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDijon, FranceHQ recorded Nov 6, 20261-106 contacts →

Exact match

“BEREST Bourgogne, filiale de BEREST SA, est un bureau d’étude spécialisé dans différents domaines : les Voiries et Réseaux Divers, l’Assainissement et l’Eau Potable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAngoulême, FranceHQ recorded Nov 6, 202611-506 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDécines-charpieu, FranceHQ recorded Nov 6, 20261-106 contacts →

Exact match

“AGS Développement est un bureau d’ingénierie dans le domaine des infrastructures urbaines et routière, implantée en région Rhône-Alpes depuis 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Solidement implanté à Paris depuis plusieurs années et spécialisé dans l’assainissement urbain et la gestion de l’eau, IMMÉAU est le bureau d’études qui vous accompagne dans…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 125 sewer system design consultants based in France

See the full list, filter by size, metro and specialty, and access 325 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Sewer system design consultants based in France at a glance

As of Nov 6, 2026
33.9%Verified-email coverage
7.7Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · Paris
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
78
11-50
37
51-200
7

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 125 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 “sewer system design consultants” 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 325 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 November 6, 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 “sewer system design consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sewer system design consultants are there based in France?

RevenueBase identified 125 company matches for sewer system design consultants associated with France as of November 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?

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

Which city has the most sewer system design consultants?

Paris leads with 5 company records, followed by Marseille (3) and Toulouse (3).

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 325 professional contacts with verified work emails tracked across these 125 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 125 sewer system design consultants based in France. Start with a free account, no credit card.

Download this list →

Related lists

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.