Company lists · Data verified August 2026
Top 15 Manufacturing companies in Ireland
This directory lists 35 manufacturing companies in Ireland, with company and contact details for researching suppliers, prospects, and partners. The list includes 552 contacts and 166 email addresses, and Dublin is the single most-represented city among the companies listed. Data is current as of August 2026.
Manufacturing companies make products by converting raw materials, components, or parts into finished or intermediate goods through industrial production processes. This list covers companies that manufacture physical goods or components through production, fabrication, assembly, processing, or related industrial operations. Ranked by team size, largest first. Data current as of August 28, 2026.
The 15 largest manufacturing companies in Ireland
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Ohshima Ireland Limited | 35 |
| 2 |  Dawnlough LTD | 23 |
| 3 |  Caulfield Industrial | 36 |
| 4 |  Bellurgan Precision Engineering | 20 |
| 5 |  C&f Tooling LTD | 13 |
| 6 |  Bolgers | 7 |
| 7 |  PQE Technology Limited | 3 |
| 8 | Machinelab LTD | 9 |
| 9 |  C&l Industrial LTD | 6 |
| 10 |  Inishowen Engineering Manufacturing | 1 |
| 11 |  Donlouco | 1 |
| 12 |  Carlow Toolmaking Services | 2 |
| 13 |  Cootehill Precision Engineering LTD | 3 |
| 14 |  Sabrina Manufacturing Group | 2 |
| 15 |  Maas Precision | 2 |
| 16 |  EFJ Engineering | 1 |
| 17 |  Inmasoll | 1 |
| 18 |  Atlas Global Metal Solutions LTD | 1 |
Showing 15 of 35 manufacturing companies in Ireland
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Manufacturing companies in Ireland at a glance
As of Aug 28, 2026Companies by employee count
Companies by metro
| Metro | Companies |
|---|---|
| Manufacturing companies in Dublin | 3 |
| Manufacturing companies in Dundalk | 2 |
| Manufacturing companies in Lakeview | 1 |
| Manufacturing companies in Naas | 1 |
| Manufacturing companies in Tramore | 1 |
| Manufacturing companies in Cootehill | 1 |
| Manufacturing companies in Shannon | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “manufacturing companies”, with match quality audited by blind human judging, and headquartered in Ireland.
- 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
- Contact records re-verify on a rolling cadence; 4 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many manufacturing companies are in Ireland?
The directory contains 35 manufacturing companies in Ireland.
Where are most manufacturing companies located?
Dublin is the single most-represented city among the companies on this list.
How can I find contacts at manufacturing companies?
The directory includes 552 contacts and 166 email addresses associated with the listed companies.
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Manufacturing companies by geography
- Manufacturing companies in the United States
- Manufacturing companies in Italy
- Manufacturing companies in Germany
- Manufacturing companies in Brazil
- Manufacturing companies in the United Kingdom
- Manufacturing companies in France
- Manufacturing companies in Spain
- Manufacturing companies in Canada
- Manufacturing companies in Mexico
- Manufacturing companies in the Netherlands
- Manufacturing companies in Poland
- Manufacturing companies in Sweden
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.