Company lists · Data refreshed September 2026

Top 25 Contract assembly manufacturers based in Finland

RevenueBase identified 57 contract assembly manufacturers headquartered in Finland as of September 2026 and tracks 1,748 professional contacts across them, including 728 with verified work emails. Helsinki is the largest hub.

This list covers contract assembly manufacturers 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 16, 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 16, 2026 86% judged on-target in blind review
57Companies
1,748Contacts tracked
728Verified emails
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The 25 largest contract assembly manufacturers based in Finland

Ranked by team size
Top 25 of 57 contract assembly manufacturers based in Finland, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to contract assembly manufacturers: 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
1Indirect evidenceSievi, FinlandHQ checked Sep 16, 20261,001-5,000701 contacts →

Indirect evidence

“Scanfil is a trusted end-to-end manufacturing partner with a Nordic heritage.”

Source: RevenueBase Database · checked Sep 16, 2026
2Indirect evidenceHelsinki, FinlandHQ checked Sep 16, 20261,001-5,000392 contacts →

Indirect evidence

“Incap Corporation - flexible, agile and efficient electronics manufacturing services.”

Source: RevenueBase Database · checked Sep 16, 2026
3Strong evidenceHelsinki, FinlandHQ checked Sep 16, 2026201-500138 contacts →

Strong evidence

“International contract manufacturing services Incap Corporation is an internationally operating contract manufacturer whose comprehensive services cover the entire life-cycle of…”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceTurku, FinlandHQ checked Sep 16, 2026501-1,000101 contacts →

Partial evidence

“The business of STERA is focused on mechanical and electromechanical assemblies.”

Source: RevenueBase Database · checked Sep 16, 2026
5Strong evidenceJoensuu, FinlandHQ checked Sep 16, 2026501-1,00060 contacts →

Strong evidence

“Ouneva Group is a strong international contract manufacturer with an exceptionally broad technology portfolio.”

Source: RevenueBase Database · checked Sep 16, 2026
6Partial evidenceNummela, FinlandHQ checked Sep 16, 2026201-50048 contacts →

Partial evidence

“LP Group is a long-established expert in the metal industry, having manufactured and delivered a wide range of metal products to its customers since 1935.”

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceKyröskoski, FinlandHQ checked Sep 16, 2026201-50047 contacts →

Partial evidence

“Kyrel offers modern, professional and competitive Finnish electronics, mechanics and electromechanic assembly services with over 45 years of experience.”

Source: RevenueBase Database · checked Sep 16, 2026
8Partial evidenceSievi, FinlandHQ checked Sep 16, 2026201-50041 contacts →

Partial evidence

“Ojala Group is a pioneer in contract manufacturing; we have over 50 years of competence in demanding customer projects.”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceHelsinki, FinlandHQ checked Sep 16, 202651-20020 contacts →

Indirect evidence

“YOUR PRIVATE PRODUCTION.”

Source: RevenueBase Database · checked Sep 16, 2026
10Strong evidenceOulunsalo, FinlandHQ checked Sep 16, 202651-20017 contacts →

Strong evidence

“Mechanical Engineering from Design to Assembly KL Mechanics is well-known as a contract manufacturer of high-quality subcontracted machining.”

Source: RevenueBase Database · checked Sep 16, 2026
11Partial evidenceTurku, FinlandHQ checked Sep 16, 202611-5014 contacts →

Partial evidence

“Who We Are Mariachi is a Finnish, privately owned technology company specializing in the design and contract manufacturing of advanced electronic devices for professional use.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceKarkkila, FinlandHQ checked Sep 16, 202651-20010 contacts →

Indirect evidence

“Mansner Oy Hienomekaniikka on sopimusvalmistaja sähkö- ja elektroniikkateollisuudelle, prosessiautomaatioteollisuuden venttiilien ja säätölaitteiden valmistajille…”

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceKeuruu, FinlandHQ checked Sep 16, 202651-20010 contacts →

Indirect evidence

“Osien, tuotteiden ja laitteiden sopimusvalmistus ketterästi saman katon alta!”

Source: RevenueBase Database · checked Sep 16, 2026
14Strong evidenceRuukki, FinlandHQ checked Sep 16, 202651-20010 contacts →

Strong evidence

“JMC Engine operates as a contract manufacturer for the international engine and machine industry.”

Source: RevenueBase Database · checked Sep 16, 2026
15Indirect evidenceLahti, FinlandHQ checked Sep 16, 202611-509 contacts →

Indirect evidence

“Summanen – metallituotteiden ja erikoiskalustamisen ässä Summanen Oy on monipuolinen metallituotteiden sopimus- ja projektivalmistuksen virtuoosi, jolla on omat…”

Source: RevenueBase Database · checked Sep 16, 2026
16Strong evidencePorvoo, FinlandHQ checked Sep 16, 202611-508 contacts →

Strong evidence

“Plastoco offers contract manufacturing of following services - Injection molded plastic parts - Metal injection molded parts (MIM)- Assembly services and precision mechanics.”

Source: RevenueBase Database · checked Sep 16, 2026
17Strong evidencePietarsaari, FinlandHQ checked Sep 16, 202611-508 contacts →

Strong evidence

“Sirico Electronics Oy is an electronics contract manufacturer (EMS).”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceSalo, FinlandHQ checked Sep 16, 202611-508 contacts →

Indirect evidence

“OUR CORE COMPETENCE IS MECHANICS.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceNivala, FinlandHQ checked Sep 16, 202651-2007 contacts →

Indirect evidence

“AQ Mecanova is a supplier of sheet metal and copper components for demanding industrial customers.”

Source: RevenueBase Database · checked Sep 16, 2026
20Indirect evidencePorvoo, FinlandHQ checked Sep 16, 202611-507 contacts →

Indirect evidence

“Teollisuuden monipuolisena sopimusvalmistajana Brione Oy on erikoistunut ohutlevyosien ja kevyiden metallirakenteiden valmistamiseen.”

Source: RevenueBase Database · checked Sep 16, 2026
21Indirect evidenceSalo, FinlandHQ checked Sep 16, 202611-506 contacts →

Indirect evidence

“Manutec Oy on ammattitaitoinen sopimusvalmistaja, joka tarjoaa eri teollisuuden aloille luotettavaa, tehokasta ja monipuolista kokoonpanopalvelua.”

Source: RevenueBase Database · checked Sep 16, 2026
22Indirect evidenceLahti, FinlandHQ checked Sep 16, 202611-505 contacts →

Indirect evidence

“JOPACO Electronics Ltd was established in 1990.”

Source: RevenueBase Database · checked Sep 16, 2026
23Indirect evidenceEspoo, FinlandHQ checked Sep 16, 20261-105 contacts →

Indirect evidence

“Global Sourcing Finland Ltd (GSF) is a Finnish family owned company established in 2004.”

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceMikkeli, FinlandHQ checked Sep 16, 202611-505 contacts →

Indirect evidence

“Teollinen laitevalmistuspartneri.”

Source: RevenueBase Database · checked Sep 16, 2026
25Strong evidenceKuopio, FinlandHQ checked Sep 16, 202611-505 contacts →

Strong evidence

Contract manufacturer of PCBA and electro-mechanical assemblies and wire harnesses in small and midsize batches.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 57 contract assembly manufacturers based in Finland

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Contract assembly manufacturers based in Finland at a glance

As of Sep 16, 2026
41.6%Verified-email coverage
30.7Average contacts per company
11-50Median size (employees)
7.0%Largest-city concentration · Helsinki
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
26
51-200
9
201-500
4
501-1,000
2
1,001-5,000
2

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 57 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 contract assembly manufacturers, 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 “contract assembly manufacturers”. 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 contract assembly manufacturers), 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 contract assembly manufacturers, 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, 728 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 16, 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 contract assembly manufacturers, 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 contract assembly manufacturers are there based in Finland?

RevenueBase identified 57 contract assembly manufacturers 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?

Scanfil Group, headquartered in Sievi, tops this list with the largest team on record.

Which city has the most contract assembly manufacturers?

Helsinki leads with 4 headquartered companies, followed by Lahti (4) and Turku (3).

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 728 verified decision-maker contacts tracked across these 57 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 16, 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.