Company lists · Data refreshed September 2026

Top 17 Industrial water infrastructure based in Finland

RevenueBase identified 31 industrial water infrastructure headquartered in Finland as of September 2026 and tracks 593 professional contacts across them, including 384 with verified work emails. Lahti is the largest hub.

This list covers industrial water infrastructure headquartered in Finland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
31Companies
593Contacts tracked
384Verified emails
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The 17 largest industrial water infrastructure based in Finland

Ranked by team size
Top 17 of 31 industrial water infrastructure based in Finland, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial water infrastructure: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceEspoo, FinlandHQ checked Sep 17, 2026501-1,000319 contacts →

Partial evidence

“Evac Group is a global leader in integrated water, waste and wastewater management solutions, as well as corrosion protection and marine growth prevention systems, for the marine…”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceTurku, FinlandHQ checked Sep 17, 202651-20043 contacts →

Partial evidence

“Flootech Flootech’s vision is creating value by cleaning water through innovation, creativity and expertise in clean water, process water, wastewater treatment and water reuse and…”

Source: RevenueBase Database · checked Sep 17, 2026
3Indirect evidenceVantaa, FinlandHQ checked Sep 17, 202651-20033 contacts →

Indirect evidence

“Oy Lining Ab tarjoaa teknisesti korkealaatuisia laitteita, ratkaisuja ja komponentteja päätoimialanaan vesitekniikka.”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidencePirkkala, FinlandHQ checked Sep 17, 202611-5025 contacts →

Indirect evidence

“KL-Lämpö tarjoaa kokonaisvaltaisia vedenkäsittelypalveluita teollisuuteen, voimalaitoksiin ja kiinteistöihin.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceTurku, FinlandHQ checked Sep 17, 202651-20024 contacts →

Indirect evidence

“Turun vesihuollosta, eli puhtaan veden toimituksesta ja viemäriveden johtamisesta puhdistamolle vastaa hulevesiä lukuun ottamatta Turun Vesihuolto Oy, joka on kokonaan Turun…”

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceKouvola, FinlandHQ checked Sep 17, 202651-20016 contacts →

Indirect evidence

“Kouvolan Veden päämääränä ovat laadukkaat vesihuoltopalvelut alueemme asiakkaille: raikas käyttövesi, toimintavarma verkosto ja ympäristöä kunnioittava jätevesien käsittely.”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceLahti, FinlandHQ checked Sep 17, 202651-20016 contacts →

Indirect evidence

“Huolehdimme 168 asukkaan ja elinkeinoelämän vesihuoltopalveluista Lahdessa, Hollolassa, Iitissä ja Heinolassa.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceMäntsälä, FinlandHQ checked Sep 17, 202611-5015 contacts →

Partial evidence

Water treatment is a fundamental concern around the world due to the lack of good quality drinking water, and growing environmental concern.”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidenceEspoo, FinlandHQ checked Sep 17, 202651-20013 contacts →

Partial evidence

“Operon is a leading solution provider and service company for water and sludge treatment.”

Source: RevenueBase Database · checked Sep 17, 2026
10Partial evidenceOulu, FinlandHQ checked Sep 17, 202611-5012 contacts →

Partial evidence

“Slatek Oy specialises in supplying the water management industry with power, instrumentation and automation solutions.”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceKerava, FinlandHQ checked Sep 17, 2026201-50010 contacts →

Indirect evidence

“WEST Invest Group on vahvasti kasvava perhe- ja konserniyhtiö.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceFinlandHQ checked Sep 17, 202651-2009 contacts →

Partial evidence

“Ukitig has been serving customers in a variety of different industrial sectors from the year 1982.”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceVantaa, FinlandHQ checked Sep 17, 20261-108 contacts →

Indirect evidence

“Watec kehittää ja myy uuden sukupolven vesienkäsittelyjärjestelmiä.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceKuopio, FinlandHQ checked Sep 17, 20261-106 contacts →

Indirect evidence

“Makela-Plast Ltd was founded in 2004.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceVantaa, FinlandHQ checked Sep 17, 202611-506 contacts →

Partial evidence

“Capse offers reliable and efficient solutions for sewage water systems from the mist challenging projects to samal repairs.”

Source: RevenueBase Database · checked Sep 17, 2026
16Partial evidenceSeinäjoki, FinlandHQ checked Sep 17, 202611-504 contacts →

Partial evidence

“Fenno Water Ltd Oy (FW) is focused on water and waste water treatment processes and designing & manufacturing of treatment plants.”

Source: RevenueBase Database · checked Sep 17, 2026
17Strong evidenceSeinäjoki, FinlandHQ checked Sep 17, 20261-102 contacts →

Strong evidence

“Help-Tec provides services for civil and water construction, especially for water supply, energy, and industrial construction and contracting needs.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 17 of 31 industrial water infrastructure based in Finland

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Industrial water infrastructure based in Finland at a glance

As of Sep 17, 2026
64.8%Verified-email coverage
19.1Average contacts per company
11-50Median size (employees)
9.7%Largest-city concentration · Lahti
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
8
51-200
7
201-500
1
501-1,000
1

Email recency for this list is measured worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 31 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among industrial water infrastructure, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Finland whose own description of what they do matches “industrial water infrastructure”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names industrial water infrastructure), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among industrial water infrastructure, and records with no verified work email. Companies headquartered outside Finland are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 384 across the full list. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names industrial water infrastructure, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many industrial water infrastructure are there based in Finland?

RevenueBase identified 31 industrial water infrastructure headquartered in Finland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Evac Group, headquartered in Espoo, tops this list with the largest team on record.

Which city has the most industrial water infrastructure?

Lahti leads with 3 headquartered companies, followed by Vantaa (3) and Espoo (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 384 verified decision-maker contacts tracked across these 31 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.