Company lists · Data refreshed November 2026

Top 25 Infrastructure engineering companies based in Finland

RevenueBase identified 125 company matches for infrastructure engineering companies associated with Finland as of November 2026 and tracks 4,575 professional contacts across them, including 2,718 with verified work emails. Helsinki is the largest hub.

This list covers company matches for infrastructure engineering companies associated with Finland, 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
4,575Contacts tracked
2,718Verified emails
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The 25 largest infrastructure engineering companies based in Finland

Ranked by team size
Top 25 of 125 company matches for infrastructure engineering companies based in Finland, 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 matchHelsinki, FinlandHQ recorded Nov 6, 20261,001-5,000888 contacts →

Exact match

“Tulevaisuuden yhteiskunta vaatii infran tajua.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHelsinki, FinlandHQ recorded Nov 6, 2026501-1,000642 contacts →

Exact match

“Olemme yksi maailman johtavista asiantuntijayrityksistä.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHelsinki, FinlandHQ recorded Nov 6, 20261,001-5,000301 contacts →

Exact match

“Olemme Pohjoismaiden kunnianhimoisin infrarakentaja, joka työllistää noin 2 ammattilaista Suomessa, Ruotsissa ja Norjassa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVantaa, FinlandHQ recorded Nov 6, 2026501-1,000281 contacts →

Exact match

“GRK is one of Finland's leading infrastructure companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVantaa, FinlandHQ recorded Nov 6, 2026201-500260 contacts →

Exact match

“Olemme Suomen johtavia infrarakentajia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTampere, FinlandHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“Despro on 2015 perustettu energia- ja tietoliikennealan asiantuntijapalveluihin erikoistunut insinööritoimisto.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVantaa, FinlandHQ recorded Nov 6, 20265,001-10,00098 contacts →

Exact match

“A company providing Construction Management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRauma, FinlandHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Nipromec Ltd is a global consulting and engineering company operating in energy, industry- and offshore fields.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“Me Finnmap Infrassa olemme mukana luomassa tulevaisuuden yhdyskuntia ja liikenneverkkoa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEspoo, FinlandHQ recorded Nov 6, 2026n/a77 contacts →

Exact match

“Vahanen-yhtiöt on nyt osa AFRYä.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Talokeskus on Suomen vanhin insinööritoimisto, perustettu 1923, ja on yksi Suomen vanhimmista yhä toiminnassa olevista yrityksistä.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPorvoo, FinlandHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Insplan on kumppanisi vihreän siirtymän toteuttamisessa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVantaa, FinlandHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Äyräväinen Oy on LVIAE- ja sähkötekniikkaan erikoistunut insinööritoimisto, jonka palveluihin kuuluvat niin projektien suunnittelu, rakennuttaminen, kuin valvontakin.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFinlandHQ recorded Nov 6, 202611-5042 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Insinööritoimisto Leo Maaskola on partneri-omisteinen vuonna 1956 perustettu talo- ja rakennetekninen suunnittelu, valvonta ja projektinjohtotoimisto.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHyvinkää, FinlandHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Tieluiska Oy on suomalainen yksityisomisteinen infrarakentaja, joka on toiminut jo vuodesta 1974.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchOulu, FinlandHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“CFE Finland is an independent expert company in energy infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHelsinki, FinlandHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Yrityksemme tarjoaa laajaan kokemukseen perustuvaa asiakaslähtöistä, kokonaistaloudellista ja laatutietoista rakenneteknistä suunnittelua ja konsultointia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOutokumpu, FinlandHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Outoplan Oy - kun tarvitsette projekteissanne ketterää ja luotettavaa suunnitteluyhteistyökumppania.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHelsinki, FinlandHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“INFRA is part of Confederation of Finnish Construction Industries RT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchJyväskylä, FinlandHQ recorded Nov 6, 20261-1017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHelsinki, FinlandHQ recorded Nov 6, 2026201-50017 contacts →

Exact match

“Hei me muutetaan: Optiplan saa uuden kodin 1.6.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPennala, FinlandHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Rehellisyys maan perii.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“The RE Group is a multidisciplinary consulting and engineering company, working as a long-term cooperation partner with clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOulu, FinlandHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Maveplan Oy on insinööritoimisto, jonka juuret ovat syvällä suomalaisessa maaperässä.”

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

Showing 25 of 125 infrastructure engineering companies based in Finland

See the full list, filter by size, metro and specialty, and access 2,718 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure engineering companies based in Finland at a glance

As of Nov 6, 2026
59.4%Verified-email coverage
36.6Average contacts per company
11-50Median size (employees)
16.0%Largest-city concentration · Helsinki
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
43
51-200
23
201-500
6
501-1,000
2
1,001-5,000
6
5,001-10,000
1
10001+
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 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 Finland whose business descriptions match “infrastructure engineering companies” 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 2,718 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 “infrastructure engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure engineering companies are there based in Finland?

RevenueBase identified 125 company matches for infrastructure engineering companies associated with Finland 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?

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

Which city has the most infrastructure engineering companies?

Helsinki leads with 20 company records, followed by Vantaa (13) and Oulu (7).

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 2,718 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.

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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.