Company lists · Data refreshed September 2026
Top 15 Refractory alumina producers based in Germany
RevenueBase identified 28 company matches for refractory alumina producers associated with Germany as of September 2026 and tracks 1,232 professional contacts across them, including 532 with verified work emails. Dortmund is the largest hub.
This list covers company matches for refractory alumina producers associated with Germany, 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 21, 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.
The 15 largest refractory alumina producers based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 441 contacts → | ||||
Exact match “With more than 100 years of alumina expertise, Almatis is the world leader in the development, manufacture and supply of premium alumina and alumina-based products.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 128 contacts → | ||||
Exact match “The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 116 contacts → | ||||
Exact match “For over 45 years, INTOCAST AG has been one of the worldwide leading specialists for refractory products and plant engineering.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 93 contacts → | ||||
Exact match “QSIL is a leading international specialist for refractory, high-temperature and high-purity high-performance materials.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 74 contacts → | ||||
Exact match “Nabaltec AG, with registered office in Schwandorf, a chemicals business which has received multiple awards for innovativeness, manufactures, develops and distributes highly…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 21 contacts → | ||||
Exact match “WEERULIN develops and produces refractory products for the steel industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “Die Chemikalien-Gesellschaft Hans Lungmuß mbH & Co.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “VGH manufactures and offers refractory products and services to our industrial partners worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “SCHUPP® Ceramics – High temperature metallic-ceramic products and systems for electric- and combustion-heated furnaces 560 °C – 1.850 °C.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “VGT-DYKO GmbH is providing you with refractories and fireproof ceramics of any kind.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “Sika Refractories GmbH is a construction company based out of Germany.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Ofen-Schamotte | Speicheröfen | Backöfen | Kaminrohre | Formsteine” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Die Firma REFKO Feuerfest GmbH wurde im Jahre 1983 gegründet.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Refractories - Magnesia Carbon Bricks - Magnesia Chrome Bricks - Alumina Bricks - High Alumina Bricks - Spinel Bricks - Isostatic Products - Monolithic Lances - RH/VAC Snorkels” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Unsere Produkte- Abdeckmassen - Gießpulvergranulate - Feuerfeste Kleber, Mörtel und Massen - Strahlmittel (Garnet)- Schiebersande - Schlackenbildner und -binder - Feuerfeste…” Recorded in the RevenueBase company graph · Sep 21, 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 “refractory alumina producers”. 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 15 of 28 refractory alumina producers based in Germany
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Refractory alumina producers based in Germany at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 28 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 Germany whose business descriptions match “refractory alumina producers” 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 532 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 21, 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 “refractory alumina producers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many refractory alumina producers are there based in Germany?
RevenueBase identified 28 company matches for refractory alumina producers associated with Germany 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?
Almatis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most refractory alumina producers?
Dortmund leads with 2 company records, followed by Munich (2) and Aachen (1).
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 532 professional contacts with verified work emails tracked across these 28 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 21, 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.
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Company intelligence · public preview
Top 15 refractory alumina producers based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 28 matching company records for refractory alumina producers based in Germany, with 1,232 tracked contacts and 532 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 refractory alumina producers based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Almatisalmatis.comHQ: Frankfurt A.m., GermanyReported employees: 501-1,000 | Frankfurt A.m., Germany | 501-1,000 | Exact match | 441 contacts → |
“With more than 100 years of alumina expertise, Almatis is the world leader in the development, manufacture and supply of premium alumina and alumina-based products.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Refratechnik Grouprefra.com HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 128 contacts → |
“The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Intocast AGintocast.comHQ: Ratingen, GermanyReported employees: 1,001-5,000 | Ratingen, Germany | 1,001-5,000 | Exact match | 116 contacts → |
“For over 45 years, INTOCAST AG has been one of the worldwide leading specialists for refractory products and plant engineering.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | QSILqsil.com HQ: Ilmenau, GermanyReported employees: 1,001-5,000 | Ilmenau, Germany | 1,001-5,000 | Exact match | 93 contacts → |
“QSIL is a leading international specialist for refractory, high-temperature and high-purity high-performance materials.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Nabaltec AGnabaltec.deHQ: Schwandorf, GermanyReported employees: 201-500 | Schwandorf, Germany | 201-500 | Exact match | 74 contacts → |
“Nabaltec AG, with registered office in Schwandorf, a chemicals business which has received multiple awards for innovativeness, manufactures, develops and distributes highly…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Weerulin Gmbhweerulin.de HQ: Mülheim An Der Ruhr, GermanyReported employees: 51-200 | Mülheim An Der Ruhr, Germany | 51-200 | Exact match | 21 contacts → |
“WEERULIN develops and produces refractory products for the steel industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lungmuß Feuerfestlungmuss.de HQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 20 contacts → |
“Die Chemikalien-Gesellschaft Hans Lungmuß mbH & Co.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | VGH Groupvgh-group.com HQ: Hattingen, GermanyReported employees: 51-200 | Hattingen, Germany | 51-200 | Exact match | 17 contacts → |
“VGH manufactures and offers refractory products and services to our industrial partners worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | M.E. Schupp Industriekeramik Gmbhschupp-ceramics.com HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 16 contacts → |
“SCHUPP® Ceramics – High temperature metallic-ceramic products and systems for electric- and combustion-heated furnaces 560 °C – 1.850 °C.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vgt-Dyko Gmbhvgt-dyko.com HQ: Grossalmerode, GermanyReported employees: 51-200 | Grossalmerode, Germany | 51-200 | Exact match | 14 contacts → |
“VGT-DYKO GmbH is providing you with refractories and fireproof ceramics of any kind.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sika Refractories Gmbhsika-refractories.de HQ: Dortmund, GermanyReported employees: 1-10 | Dortmund, Germany | 1-10 | Exact match | 6 contacts → |
“Sika Refractories GmbH is a construction company based out of Germany.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Wolfshöher Tonwerkewolfshoehe.de HQ: Neunkirchen Am Sand, GermanyReported employees: 51-200 | Neunkirchen Am Sand, Germany | 51-200 | Exact match | 6 contacts → |
“Ofen-Schamotte | Speicheröfen | Backöfen | Kaminrohre | Formsteine” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Refko Feuerfest Gmbhrefko.de HQ: Ransbach-baumbach, GermanyReported employees: 11-50 | Ransbach-baumbach, Germany | 11-50 | Exact match | 5 contacts → |
“Die Firma REFKO Feuerfest GmbH wurde im Jahre 1983 gegründet.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dalmia GSB Refractories Gmbhdalmiagsb.com HQ: Bochum, GermanyReported employees: 11-50 | Bochum, Germany | 11-50 | Exact match | 3 contacts → |
“Refractories - Magnesia Carbon Bricks - Magnesia Chrome Bricks - Alumina Bricks - High Alumina Bricks - Spinel Bricks - Isostatic Products - Monolithic Lances - RH/VAC Snorkels” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Minreco Gmbhminreco.de HQ: Duisburg, GermanyReported employees: 1-10 | Duisburg, Germany | 1-10 | Exact match | 2 contacts → |
“Unsere Produkte- Abdeckmassen - Gießpulvergranulate - Feuerfeste Kleber, Mörtel und Massen - Strahlmittel (Garnet)- Schiebersande - Schlackenbildner und -binder - Feuerfeste…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 28 company matches
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Refractory alumina producers: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
27 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 28 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for refractory alumina producers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many refractory alumina producers did RevenueBase find based in Germany?
The saved snapshot records 28 matching company records, 1,232 tracked contacts and 532 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Refractory alumina producers by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 15 refractory alumina producers based in Germany. Snapshot: September 21, 2026. https://revenuebase.ai/companies/refractory-alumina-producers/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- New lists
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Company intelligence · public preview
Top 15 refractory alumina producers based in Germany
RevenueBase records 28 matching company records for refractory alumina producers based in Germany, with 1,232 tracked contacts and 532 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 refractory alumina producers based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Almatisalmatis.com HQ: Frankfurt A.m., GermanyReported employees: 501-1,000 | Frankfurt A.m., Germany | 501-1,000 | Exact match | 441 contacts → |
“With more than 100 years of alumina expertise, Almatis is the world leader in the development, manufacture and supply of premium alumina and alumina-based products.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Refratechnik Grouprefra.com HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 128 contacts → |
“The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Intocast AGintocast.com HQ: Ratingen, GermanyReported employees: 1,001-5,000 | Ratingen, Germany | 1,001-5,000 | Exact match | 116 contacts → |
“For over 45 years, INTOCAST AG has been one of the worldwide leading specialists for refractory products and plant engineering.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | QSILqsil.com HQ: Ilmenau, GermanyReported employees: 1,001-5,000 | Ilmenau, Germany | 1,001-5,000 | Exact match | 93 contacts → |
“QSIL is a leading international specialist for refractory, high-temperature and high-purity high-performance materials.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nabaltec AGnabaltec.de HQ: Schwandorf, GermanyReported employees: 201-500 | Schwandorf, Germany | 201-500 | Exact match | 74 contacts → |
“Nabaltec AG, with registered office in Schwandorf, a chemicals business which has received multiple awards for innovativeness, manufactures, develops and distributes highly…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Weerulin Gmbhweerulin.de HQ: Mülheim An Der Ruhr, GermanyReported employees: 51-200 | Mülheim An Der Ruhr, Germany | 51-200 | Exact match | 21 contacts → |
“WEERULIN develops and produces refractory products for the steel industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lungmuß Feuerfestlungmuss.de HQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 20 contacts → |
“Die Chemikalien-Gesellschaft Hans Lungmuß mbH & Co.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | VGH Groupvgh-group.com HQ: Hattingen, GermanyReported employees: 51-200 | Hattingen, Germany | 51-200 | Exact match | 17 contacts → |
“VGH manufactures and offers refractory products and services to our industrial partners worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | M.E. Schupp Industriekeramik Gmbhschupp-ceramics.com HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 16 contacts → |
“SCHUPP® Ceramics – High temperature metallic-ceramic products and systems for electric- and combustion-heated furnaces 560 °C – 1.850 °C.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vgt-Dyko Gmbhvgt-dyko.com HQ: Grossalmerode, GermanyReported employees: 51-200 | Grossalmerode, Germany | 51-200 | Exact match | 14 contacts → |
“VGT-DYKO GmbH is providing you with refractories and fireproof ceramics of any kind.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sika Refractories Gmbhsika-refractories.de HQ: Dortmund, GermanyReported employees: 1-10 | Dortmund, Germany | 1-10 | Exact match | 6 contacts → |
“Sika Refractories GmbH is a construction company based out of Germany.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Wolfshöher Tonwerkewolfshoehe.de HQ: Neunkirchen Am Sand, GermanyReported employees: 51-200 | Neunkirchen Am Sand, Germany | 51-200 | Exact match | 6 contacts → |
“Ofen-Schamotte | Speicheröfen | Backöfen | Kaminrohre | Formsteine” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Refko Feuerfest Gmbhrefko.de HQ: Ransbach-baumbach, GermanyReported employees: 11-50 | Ransbach-baumbach, Germany | 11-50 | Exact match | 5 contacts → |
“Die Firma REFKO Feuerfest GmbH wurde im Jahre 1983 gegründet.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dalmia GSB Refractories Gmbhdalmiagsb.com HQ: Bochum, GermanyReported employees: 11-50 | Bochum, Germany | 11-50 | Exact match | 3 contacts → |
“Refractories - Magnesia Carbon Bricks - Magnesia Chrome Bricks - Alumina Bricks - High Alumina Bricks - Spinel Bricks - Isostatic Products - Monolithic Lances - RH/VAC Snorkels” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Minreco Gmbhminreco.de HQ: Duisburg, GermanyReported employees: 1-10 | Duisburg, Germany | 1-10 | Exact match | 2 contacts → |
“Unsere Produkte- Abdeckmassen - Gießpulvergranulate - Feuerfeste Kleber, Mörtel und Massen - Strahlmittel (Garnet)- Schiebersande - Schlackenbildner und -binder - Feuerfeste…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 28 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Refractory alumina producers: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
27 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 28 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for refractory alumina producers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many refractory alumina producers did RevenueBase find based in Germany?
The saved snapshot records 28 matching company records, 1,232 tracked contacts and 532 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 15 refractory alumina producers based in Germany. Snapshot: September 21, 2026. https://revenuebase.ai/companies/refractory-alumina-producers/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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