Company lists · Data refreshed September 2026

Top 24 Water infrastructure engineering firms based in Greece

RevenueBase identified 86 company matches for water infrastructure engineering firms associated with Greece as of September 2026 and tracks 885 professional contacts across them, including 232 with verified work emails. Athens is the largest hub.

This list covers company matches for water infrastructure engineering firms associated with Greece, 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 September 19, 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 Sep 19, 2026 How this list was built
86Companies
885Contacts tracked
232Verified emails
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The 24 largest water infrastructure engineering firms based in Greece

Ranked by team size
Top 24 of 86 company matches for water infrastructure engineering firms based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchAthens, GreeceHQ recorded Sep 19, 2026201-500211 contacts →

Exact match

“ENOIA is a Multi-Disciplinary Engineering & Project Management Consultant in the Energy, Water and Industrial sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchAthens, GreeceHQ recorded Sep 19, 2026201-500102 contacts →

Exact match

“Engineering, Constructing, Consulting and Operating company of Environmantal projects and Plants, related to Water, Waste Water, Solid Waste and Energy from Renewable sources.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchΑθήνα, GreeceHQ recorded Sep 19, 202611-5027 contacts →

Exact match

“The Marine Applied Research and New Technologies S.A.(MARNET S.A.) was established in 1993 in Greece, as a consulting and research engineering company.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAthens, GreeceHQ recorded Sep 19, 202611-5021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchNeo Psichiko, GreeceHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“With a history of more than 45 years in engineering design and project management, ETME S.A.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchPiraeus, GreeceHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“PanMarine & Industrial Services Ltd was established in Piraeus, to accommodate the needs of the Greek Marine, Power and Industrial sectors.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchAthens, GreeceHQ recorded Sep 19, 202611-5014 contacts →

Exact match

“ENM Consulting Engineers SA, founded in 1962 as a Ltd Company, is amongst the leading consulting engineering firms in Greece.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchMaroussi, GreeceHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“Engineering Consulting firm offering specialized services in several Civil and Environmental Engineering fields.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchAgía Paraskeví, GreeceHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“EMVIS Consultant Engineers S.A.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchAthens, GreeceHQ recorded Sep 19, 202611-5010 contacts →

Exact match

“TEKEM SA Consulting Engineers was founded in 1966 by Elias and Nikolas Cavoulacos and is one of the largest and long established Consulting Engineering bureaus in Athens, Greece.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchNéa Smýrni, GreeceHQ recorded Sep 19, 202611-509 contacts →

Exact match

“ECOTECH ACTIVITIES COVER MANY FIELDS OF WASTEWATER AND WATER TREATMENT, SUCH AS: • WWTP Design as well as special systems and applications.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchSalonica, GreeceHQ recorded Sep 19, 202611-508 contacts →

Exact match

“MAVRAKIS CONSULTING ENGINEERS is a leading Greek Engineering Consultancy founded back in 1978.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchThessaloniki, GreeceHQ recorded Sep 19, 202611-508 contacts →

Exact match

“FOUNDATION YDROFILI firm was founded in 1983 in Thessaloniki by Christos Pertsemlidis, Civil and Environmental Engineer, and Nikos Pertsemlidis, Mechanical Engineer.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchAthens, GreeceHQ recorded Sep 19, 20261-106 contacts →

Exact match

“EPEM Engineering S.A.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchChalandri, GreeceHQ recorded Sep 19, 202651-2005 contacts →

Exact match

“OMEK is the Major Consulting Company in Greece in the area of Planning, Development and Management of Engineering Infrastructure Engineering Projects.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchAgia Paraskevi, GreeceHQ recorded Sep 19, 20261-104 contacts →

Exact match

“RNR Engineers Consulting is a specialized design and consulting company committed to providing its clients with engineering services that fulfill their needs and vision.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchΕυκαρπία, GreeceHQ recorded Sep 19, 20261-103 contacts →

Exact match

“H «ΟΙΚΟΛΟΓΙΚΗ Α.Ε.» ασχολείται με ολοκληρωμένα συστήματα προστασίας περιβάλλοντος και συστήματα επεξεργασίας νερού για κάθε χρήση.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchGreeceHQ recorded Sep 19, 202651-2003 contacts →

Exact match

“Idator SA helps People, Industries and Utilities to their water and wastewater pumping needs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchGerakas, GreeceHQ recorded Sep 19, 202611-503 contacts →

Exact match

“Our expertise covers the study, design and consulting of projects for water treatment systems.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchAthens, GreeceHQ recorded Sep 19, 20261-102 contacts →

Exact match

“At KKCE we are dedicated to building the future through innovative civil engineering solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchAthens, GreeceHQ recorded Sep 19, 20261-102 contacts →

Exact match

“Our company undertakes water engineering projects related to public and private sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchNea Ionia, GreeceHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Hydractis Consulting S.A.” is a consulting engineering firm that was founded towards the end of The basic sector of its activities is the design of works in Public and Private…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchGlyfada, GreeceHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Enflow is a Greek company offering expertise in various fields of engineering and environmental management relating to drainage, water treatment, re-use, and wastewater technology…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchAthens, GreeceHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Orio is an engineering consulting company in Greece which was founded in 2006.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 24 of 86 water infrastructure engineering firms based in Greece

See the full list, filter by size, metro and specialty, and access 232 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water infrastructure engineering firms based in Greece at a glance

As of Sep 19, 2026
26.2%Verified-email coverage
10.3Average contacts per company
11-50Median size (employees)
29.1%Largest-city concentration · Athens
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
40
51-200
8
201-500
3

Email recency for this list is measured worldwide rather than for Greece, so it is reported there. Company counts and contact totals on this page are exact for Greece, over 86 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 Greece whose business descriptions match “water infrastructure engineering firms” 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 232 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 September 19, 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 “water infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water infrastructure engineering firms are there based in Greece?

RevenueBase identified 86 company matches for water infrastructure engineering firms associated with Greece as of September 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?

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

Which city has the most water infrastructure engineering firms?

Athens leads with 25 company records, followed by Thessaloniki (4) and Nea Ionia (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 232 professional contacts with verified work emails tracked across these 86 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 September 19, 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.