Company lists · Data refreshed September 2026

Top 25 Renewable energy infrastructure contractors based in Finland

Name: Renewable energy infrastructure contractors based in Finland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 35 companies tracked

RevenueBase identified 35 company matches for renewable energy infrastructure contractors associated with Finland as of September 2026 and tracks 762 professional contacts across them, including 452 with verified work emails. Helsinki is the largest hub.

This list covers company matches for renewable energy infrastructure contractors 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 September 17, 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 17, 2026 How this list was built

35Companies

762Contacts tracked

452Verified emails

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The 25 largest renewable energy infrastructure contractors based in Finland

Ranked by team size

Top 25 of 35 company matches for renewable energy infrastructure contractors based in Finland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Insplan OY	Exact match	Porvoo, FinlandHQ recorded Sep 17, 2026	51-200	49 contacts →
	Exact match “Insplan on kumppanisi vihreän siirtymän toteuttamisessa.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Korkia	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	51-200	48 contacts →
	Exact match “Korkia is a global investor and developer accelerating the transition to renewable energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Nepower	Exact match	Vaasa, FinlandHQ recorded Sep 17, 2026	51-200	37 contacts →
	Exact match “NEPower delivers electrification solutions for the industrial, grid and renewable energy sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	ABO Energy Suomi OY	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	11-50	36 contacts →
	Exact match “ABO Energy on menestyksekkäästi kehittänyt, rakentanut ja operoinut uusiutuvaa energiaa jo lähes 30 vuoden ajan ja on yksi Euroopan kokeneimmista alan toimijoista.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Solarigo	Exact match	Pirkkala, FinlandHQ recorded Sep 17, 2026	11-50	34 contacts →
	Exact match “Everything you need for utility-scale solar parks and commercial & industrial solar power plants in Finland: financial modelling, industry-leading engineering, construction and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Energiequelle Finland	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “Energiequelle on kansainvälinen hankekehittäjä alanaan suunnitella, rakentaa ja hallinnoida tuuli, biokaasu- ja aurinkovoimaloita, sähköasemia sekä energian…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Forus OY	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Forus is a novel finance and sales company that develops services to stop climate-change profitably.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	CFE Finland OY	Exact match	Oulu, FinlandHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “CFE Finland is an independent expert company in energy infrastructure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Ampner OY	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Ampner Oy – Power Engineering & DC Power Solutions for a Renewable Future Ampner is a Finnish technology company specialized in connecting renewable energy, energy storage systems…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Tuulia Energy OY	Exact match	Pori, FinlandHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “Cleaner energy in capable hands.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Verkonrakentaja Wire OY	Exact match	Hyvinkää, FinlandHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Infra Builders OY	Exact match	Oulu, FinlandHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Infra Builders is a Finnish construction company specializing in construction of wind farms and power grids.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Develo Energia	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Wind power infrastructure and utility-scale solar photovoltaic (PV) power plants on a turnkey basis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Adde OY	Exact match	Muhos, FinlandHQ recorded Sep 17, 2026	51-200	9 contacts →
	Exact match “Olemme yksi suurimmista Suomessa aurinkovoimaa rakentavista yrityksistä.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Solmar Consulting OY	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “A smooth solar energy plant development process for all parties involved We are a Finnish energy company developing clean and sustainable utility-scale solar power parks until the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Elektron	Exact match	Jyväskylä, FinlandHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Elektron E oy toimii teollisuudessa, sähköverkoissa ja sähköinfran projekteissa maanlaajuisesti urakoitsijana.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Nordi OY	Exact match	Lappeenranta, FinlandHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “The demand for clean and sustainable energy is increasing, putting pressure on the energy industry to meet the demand.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Will & Must OY	Exact match	Helsinki, FinlandHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Will & Must is a Helsinki-based developer of energy and infrastructure projects, founded in 2022.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	RALOS	Exact match	Tampere, FinlandHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Ralos Oy provides the most intelligent and efficient solar power plants for homes, industries and utilities.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Westwind OY	Exact match	Jyväskylä, FinlandHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “WestWind build up renewable Energy Site Projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Sunon OY	Exact match	Vantaa, FinlandHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Ajattelimme sähköntuotannon uusiksi” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Wahlres	Exact match	Vantaa, FinlandHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Wahlres Oy was founded in 2016 and aims to reduce the reliance of Finnish buildings on non-renewable energy sources.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Salo Automation OY	Exact match	Salo, FinlandHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	LK Urakointi OY	Exact match	Valkeakoski, FinlandHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Infra Contracting Earth Construction Energy Construction Enviroment Construction Machine Contracting” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Aes, Aurinko Energia Systems OY	Exact match	Hyvinkää, FinlandHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Aurinkopaneelijärjestelmien asennus Sähköautojen latauspisteet Aurinkosähköjärjestelmien päivitys ja huolto Suunnittelu ja konsultointi Tarkastukset sekä kartoitukset…” Recorded in the RevenueBase company graph · Sep 17, 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 “renewable energy infrastructure contractors”. 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 35 renewable energy infrastructure contractors based in Finland

See the full list, filter by size, metro and specialty, and access 452 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy infrastructure contractors based in Finland at a glance

As of Sep 17, 2026

59.3%Verified-email coverage

21.8Average contacts per company

11-50Median size (employees)

25.7%Largest-city concentration · Helsinki

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 35 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 “renewable energy infrastructure contractors” 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 452 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 17, 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 “renewable energy infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy infrastructure contractors are there based in Finland?

RevenueBase identified 35 company matches for renewable energy infrastructure contractors associated with Finland 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?

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

Which city has the most renewable energy infrastructure contractors?

Helsinki leads with 9 company records, followed by Vantaa (4) and Jyvaskyla (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 452 professional contacts with verified work emails tracked across these 35 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 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 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.