Company lists · Data refreshed September 2026
Top 24 Specialized welding contractors based in Poland
RevenueBase identified 197 specialized welding contractors headquartered in Poland as of September 2026 and tracks 1,111 professional contacts across them, including 217 with verified work emails. Gdansk is the largest hub.
This list covers specialized welding contractors headquartered in Poland, 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 18, 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.
The 24 largest specialized welding contractors based in Poland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 96 contacts → | ||||
Indirect evidence “Grupa MOSTOSTAL ZABRZE nieprzerwanie i dynamicznie rozwija się od od ponad 70 lat.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 70 contacts → | ||||
Partial evidence “We specialize in the production of industrial equipment and high-quality welded structures.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 69 contacts → | ||||
Indirect evidence “WNS POMORZE offers services in the field of steel structures, pipelines and industrial installations.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 59 contacts → | ||||
Indirect evidence “Founded in Germany in 1972 Felgenhauer is an independent family business.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 48 contacts → | ||||
Indirect evidence “Spółka ENERGOP, będąc w branży od blisko pół wieku, oferuje swym klientom gruntowną wiedzę, profesjonalizm i bogate doświadczenie w zakresie prefabrykacji rurociągów i ich…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 47 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 32 contacts → | ||||
Indirect evidence “We are experts at what we do.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 19 contacts → | ||||
Partial evidence “CASS Construction and Steel Structures is a dynamically developing company that specializes in the production and general contracting of steel structures.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Indirect evidence “IndMont – Eksperci w montażu przemysłowym i rurociągach O nas IndMont to uznany partner w sektorze montażu przemysłowego, rurociągów technologicznych oraz zaawansowanych…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Indirect evidence “At LAVASTER we deal with: 🟠 industrial steel chimneys (designs, construction, renovation), 🟠 flue gas discharge installations, 🟠 industrial silencers, 🟠 production of steel tanks…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “Firma CZORA specjalizuje się w wielkoseryjnym spawaniu zrobotyzowanym, spawaniu i cięciu laserowym, cynkowaniu galwanicznym oraz ogólnopojętej obróbce metalu dla przemysłu.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Partial evidence “ABBLE GROUP is an engineering and installation company specializing in the design, prefabrication, and on-site assembly of process installations made of stainless and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “KSH Steel specjalizuje się w projektowaniu, prefabrykacji oraz montażu konstrukcji stalowych obiektów budowlanych.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence “Maga Sp.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “Jesteśmy firmą specjalizującą się w budownictwie infrastruktury lądowej, z wieloletnim doświadczeniem w prowadzeniu prac związanych z budową linii kolejowych, tramwajowych i…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Strong evidence “We specialize in the engineering, prefabrication, welding, and installation of industrial piping and steel structures made from stainless, carbon, and special alloy steels.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence “Jesteśmy jedną z jednostek biznesowych ZRE Katowice S.A, Zakładem sprawdzonym na rynku produkcji różnego rodzaju konstrukcji i wyrobów stalowych, ciężkiej obróbki mechanicznej CNC…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “JGP Engineering operates in construction industry, in the branch of steel, stainless steel and aluminium structures.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “We provide welding and comprehensive steel and aluminium processing services, based on our customers’ requirements and expectations.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “WOXAR jest dystrybutorem czołowych firm z obszaru zgrzewania rezystancyjnego metali, a także producentem urządzeń zgrzewalniczych oraz automatyzacji i robotyzacji procesów…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Główną dziedziną działalności RSE jest projektowanie i wykonanie specjalistycznych, innowacyjnych konstrukcji przemysłowych ze stali konstrukcyjnej o podwyższonej wytrzymałości…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “Działalność Przedsiębiorstwa WELD-GAS® zapoczątkowali w 2018 Damian Dawidowicz i Andrii Melnykovych.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Our qualified and experienced staff is trained and acquainted with specification of pharmaceutical, food, chemical industry and others.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “B8 Manufacturing świadczy usługi związane z budową obiektów przemysłowych oraz spawalnictwem i obróbką metali.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: specialized welding contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names specialized welding contractors.
- Partial evidence
- Its own public description names part of specialized welding contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name specialized welding contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 197 specialized welding contractors based in Poland
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Specialized welding contractors based in Poland at a glance
As of Sep 18, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Poland, so it is reported there. Company counts and contact totals on this page are exact for Poland, over 197 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 specialized welding contractors, 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 Poland whose own description of what they do matches “specialized welding contractors”. 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 specialized welding contractors), 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 specialized welding contractors, and records with no verified work email. Companies headquartered outside Poland 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, 217 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 18, 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 specialized welding contractors, 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 specialized welding contractors are there based in Poland?
RevenueBase identified 197 specialized welding contractors headquartered in Poland 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?
Mostostal Zabrze Realizacje Przemysłowe S.A, headquartered in Gliwice, tops this list with the largest team on record.
Which city has the most specialized welding contractors?
Gdansk leads with 9 headquartered companies, followed by Wroclaw (7) and Gdynia (5).
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 217 verified decision-maker contacts tracked across these 197 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 18, 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.
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