Company lists · Data refreshed September 2026
Top 25 Waste-to-heat companies based in Austria
RevenueBase identified 58 company matches for waste-to-heat companies associated with Austria as of September 2026 and tracks 2,048 professional contacts across them, including 692 with verified work emails. Vienna is the largest hub.
This list covers company matches for waste-to-heat companies associated with Austria, 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 22, 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 25 largest waste-to-heat companies based in Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,125 contacts → | ||||
Exact match “Wir sind ein börsennotiertes Energie- und Umweltdienstleistungsunternehmen mit Sitz in Niederösterreich.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 106 contacts → | ||||
Exact match “Die Natur ist unsere Lebensader.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 105 contacts → | ||||
Exact match “Rocke die Zukunft mit REINSTEM HEIZEN Steige mit uns auf eine moderne Heizlösung um, die nicht nur umweltfreundlich, sondern auch zukunftssicher ist.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 55 contacts → | ||||
Exact match “BDI-BioEnergy International GmbH, founded in 1996, develops technologies to upgrade industrial residuals and waste streams into biofuels and valuable by-products.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “Vom Hausruckviertel in die ganze Welt!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 34 contacts → | ||||
Exact match “The name ÖkoFEN stands since its foundation in 1989 for ecological research and development of environmentally friendly pellet heating systems.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match “Wir sind einer der führenden europäischen Hersteller innovativer und umweltfreundlicher Heizsysteme (Scheitholz, Hackgut, Pellets).” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 28 contacts → | ||||
Exact match “Aqotec GmbH with its headquarter in Austria is specialisted in renewable engery solutions in the field of biomass.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Smart heating.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “ecop is a technology company that develops, manufactures and sells novel high-temperature large-scale heat pumps and chillers for industrial use.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “Waste-to-X.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “ECOTHERM - The leading brand for individual hot water, steam and solar systems for hotels, hospitals and industrial applications.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Unsere Firmengeschichte hängt eng mit unserer Verantwortung gegenüber den Mitmenschen, der Umwelt und unserer Heimat zusammen.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Verwandle deine alte Ölheizung in einen innovativen Wärmespeicher – speichere überschüssige Energie und sicher dir eine nachhaltige, unabhängige Zukunft.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “Am Standort Peggau wird Ihr Abfall zur Ressource!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “ENAGES GmbH is a company based out of Niklasdorf, Styria, Austria.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “40+ YEARS, 300+ PROJECTS, 23+ COUNTRIES entec is a private owned group, with its headquarters based in Austria and operational subsidiaries in four different Countries (Germany…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Wir dimensionieren und fertigen Produkte für Speichertechnik, Abwärmenutzung und Wärmerückgewinnung.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “ParaStruct makes industrial circular economy profitable.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Fernheizwerk Pölfing Brunn” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Die Kärntner Restmüllverwertungs GmbH (KRV) betreibt eine Müllverbrennungsanlage in Arnoldstein.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Die BIO-Brennstoff GmbH setzt neue Maßstäbe im Upcycling und ist als Sammler und Aufbereiter für Abfallströme zur Verwertung in der Zement- und Baustoffindustrie tätig.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “With our waste marketplace we empower companies to create a cleaner and better world.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “KELAG Energie & Wärme GmbH is a company based out of ST.MAGDALENER STRASSE 81, Villach-St.” Recorded in the RevenueBase company graph · Sep 22, 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 “waste-to-heat companies”. 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 58 waste-to-heat companies based in Austria
See the full list, filter by size, metro and specialty, and access 692 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Waste-to-heat companies based in Austria at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 58 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 Austria whose business descriptions match “waste-to-heat companies” 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 692 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 22, 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 “waste-to-heat companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many waste-to-heat companies are there based in Austria?
RevenueBase identified 58 company matches for waste-to-heat companies associated with Austria 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?
EVN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most waste-to-heat companies?
Vienna leads with 5 company records, followed by Graz (3) and Hard (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 692 professional contacts with verified work emails tracked across these 58 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 58 waste-to-heat companies based in Austria. Start with a free account, no credit card.
Download this list →Related lists
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- Waste-to-heat companies based in Chile
- Waste-to-heat companies based in Czechia
- Waste-to-heat companies based in Denmark
- Waste-to-heat companies based in Finland
- Waste-to-heat companies based in France
- Waste-to-heat companies based in Germany
- Waste-to-heat companies based in India
- Waste-to-heat companies based in Indonesia
Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 waste-to-heat companies based in Austria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 58 matching company records for waste-to-heat companies based in Austria, with 2,048 tracked contacts and 692 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 25 waste-to-heat companies based in Austria
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 |  EVNevn.atHQ: Maria Enzersdorf, AustriaReported employees: 5,001-10,000 | Maria Enzersdorf, Austria | 5,001-10,000 | Exact match | 1,125 contacts → |
“Wir sind ein börsennotiertes Energie- und Umweltdienstleistungsunternehmen mit Sitz in Niederösterreich.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Hargassner GES MBHhargassner.comHQ: Weng, AustriaReported employees: 501-1,000 | Weng, Austria | 501-1,000 | Exact match | 106 contacts → |
“Die Natur ist unsere Lebensader.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Windhager BHT Groupwindhager.comHQ: Seekirchen Am Wallersee, AustriaReported employees: 501-1,000 | Seekirchen Am Wallersee, Austria | 501-1,000 | Exact match | 105 contacts → |
“Rocke die Zukunft mit REINSTEM HEIZEN Steige mit uns auf eine moderne Heizlösung um, die nicht nur umweltfreundlich, sondern auch zukunftssicher ist.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bdi-Bioenergy International Gmbhbdi-bioenergy.comHQ: Raaba-grambach, AustriaReported employees: 51-200 | Raaba-grambach, Austria | 51-200 | Exact match | 55 contacts → |
“BDI-BioEnergy International GmbH, founded in 1996, develops technologies to upgrade industrial residuals and waste streams into biofuels and valuable by-products.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ETA Heiztechniketa.co.atHQ: Hofkirchen An Der Trattnach, AustriaReported employees: 201-500 | Hofkirchen An Der Trattnach, Austria | 201-500 | Exact match | 37 contacts → |
“Vom Hausruckviertel in die ganze Welt!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ökofen Forschungs- UND Entwicklungsgesmbhoekofen.comHQ: Niederkappel, AustriaReported employees: 201-500 | Niederkappel, Austria | 201-500 | Exact match | 34 contacts → |
“The name ÖkoFEN stands since its foundation in 1989 for ecological research and development of environmentally friendly pellet heating systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Fröling Heizkessel UND Behälterbau Gmbhfroeling.comHQ: Grieskirchen, AustriaReported employees: 501-1,000 | Grieskirchen, Austria | 501-1,000 | Exact match | 28 contacts → |
“Wir sind einer der führenden europäischen Hersteller innovativer und umweltfreundlicher Heizsysteme (Scheitholz, Hackgut, Pellets).” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Aqotec Gmbhaqotec.com HQ: Weissenkirchen Im Attergau, AustriaReported employees: 51-200 | Weissenkirchen Im Attergau, Austria | 51-200 | Exact match | 28 contacts → |
“Aqotec GmbH with its headquarter in Austria is specialisted in renewable engery solutions in the field of biomass.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Mywarmmywarm.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 24 contacts → |
“Smart heating.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ecop Technologies Gmbhecop.at HQ: Wiener Neudorf, AustriaReported employees: 11-50 | Wiener Neudorf, Austria | 11-50 | Exact match | 19 contacts → |
“ecop is a technology company that develops, manufactures and sells novel high-temperature large-scale heat pumps and chillers for industrial use.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vertus Energyvertusenergy.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 17 contacts → |
“Waste-to-X.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ecotherm HOT Water, Steam & Solar Systemsecotherm.com HQ: Hartkirchen, AustriaReported employees: 51-200 | Hartkirchen, Austria | 51-200 | Exact match | 15 contacts → |
“ECOTHERM - The leading brand for individual hot water, steam and solar systems for hotels, hospitals and industrial applications.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Peter Seppele Gesellschaft M.B.Hseppele.at HQ: 9710 Feistritz/drau, AustriaReported employees: 201-500 | 9710 Feistritz/drau, Austria | 201-500 | Exact match | 9 contacts → |
“Unsere Firmengeschichte hängt eng mit unserer Verantwortung gegenüber den Mitmenschen, der Umwelt und unserer Heimat zusammen.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Joulzenjoulzen.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Verwandle deine alte Ölheizung in einen innovativen Wärmespeicher – speichere überschüssige Energie und sicher dir eine nachhaltige, unabhängige Zukunft.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Zuser Ressourcenmanagement Gmbhzuser.atHQ: Peggau, AustriaReported employees: 51-200 | Peggau, Austria | 51-200 | Exact match | 8 contacts → |
“Am Standort Peggau wird Ihr Abfall zur Ressource!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enages Gmbhenages.at HQ: Niklasdorf, AustriaReported employees: 51-200 | Niklasdorf, Austria | 51-200 | Exact match | 6 contacts → |
“ENAGES GmbH is a company based out of Niklasdorf, Styria, Austria.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Entec Biopower Austria Gmbhentec-biopower.com HQ: Dornbirn, AustriaReported employees: 11-50 | Dornbirn, Austria | 11-50 | Exact match | 4 contacts → |
“40+ YEARS, 300+ PROJECTS, 23+ COUNTRIES entec is a private owned group, with its headquarters based in Austria and operational subsidiaries in four different Countries (Germany…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Forstner Speichertechnik Gmbhspeichertechnik.comHQ: Hard, AustriaReported employees: 1-10 | Hard, Austria | 1-10 | Exact match | 4 contacts → |
“Wir dimensionieren und fertigen Produkte für Speichertechnik, Abwärmenutzung und Wärmerückgewinnung.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Parastructparastruct.com HQ: Innsbruck, AustriaReported employees: 11-50 | Innsbruck, Austria | 11-50 | Exact match | 4 contacts → |
“ParaStruct makes industrial circular economy profitable.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wundara Gmbhwundara.com HQ: Pölfing-brunn, AustriaReported employees: 1-10 | Pölfing-brunn, Austria | 1-10 | Exact match | 3 contacts → |
“Fernheizwerk Pölfing Brunn” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kärntner Restmüllverwertungs Gmbhkrv.co.at HQ: Arnoldstein, AustriaReported employees: 11-50 | Arnoldstein, Austria | 11-50 | Exact match | 3 contacts → |
“Die Kärntner Restmüllverwertungs GmbH (KRV) betreibt eine Müllverbrennungsanlage in Arnoldstein.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Schmid Energy Solutions Gmbhschmid-energy.at HQ: Lieboch, AustriaReported employees: 1-10 | Lieboch, Austria | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Bio-Brennstoff Gmbhbio-brennstoff.comHQ: Waldegg, AustriaReported employees: 11-50 | Waldegg, Austria | 11-50 | Exact match | 2 contacts → |
“Die BIO-Brennstoff GmbH setzt neue Maßstäbe im Upcycling und ist als Sammler und Aufbereiter für Abfallströme zur Verwertung in der Zement- und Baustoffindustrie tätig.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Wastelog Environmental Logistics Gmbhwastelog.atHQ: Grambach, AustriaReported employees: 1-10 | Grambach, Austria | 1-10 | Exact match | 2 contacts → |
“With our waste marketplace we empower companies to create a cleaner and better world.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Magdalen, AustriaReported employees: 201-500 | Magdalen, Austria | 201-500 | Exact match | 2 contacts → |
“KELAG Energie & Wärme GmbH is a company based out of ST.MAGDALENER STRASSE 81, Villach-St.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Waste-to-heat companies: dataset insights
September 22, 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
57 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 Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 58 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 22, 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 waste-to-heat companies?
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 waste-to-heat companies did RevenueBase find based in Austria?
The saved snapshot records 58 matching company records, 2,048 tracked contacts and 692 verified emails. The public preview displays 25 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 22, 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
Waste-to-heat companies by geography
- Waste-to-heat companies based in Australia
- Waste-to-heat companies based in Belgium
- Waste-to-heat companies based in Brazil
- Waste-to-heat companies based in Canada
- Waste-to-heat companies based in Chile
- Waste-to-heat companies based in Czechia
- Waste-to-heat companies based in Denmark
- Waste-to-heat companies based in Finland
- Waste-to-heat companies based in France
- Waste-to-heat companies based in Germany
- Waste-to-heat companies based in India
- Waste-to-heat companies based in Indonesia
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 waste-to-heat companies based in Austria. Snapshot: September 22, 2026. https://revenuebase.ai/companies/waste-to-heat-companies/austria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 waste-to-heat companies based in Austria
RevenueBase records 58 matching company records for waste-to-heat companies based in Austria, with 2,048 tracked contacts and 692 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 25 waste-to-heat companies based in Austria
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 | EVNevn.at HQ: Maria Enzersdorf, AustriaReported employees: 5,001-10,000 | Maria Enzersdorf, Austria | 5,001-10,000 | Exact match | 1,125 contacts → |
“Wir sind ein börsennotiertes Energie- und Umweltdienstleistungsunternehmen mit Sitz in Niederösterreich.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hargassner GES MBHhargassner.com HQ: Weng, AustriaReported employees: 501-1,000 | Weng, Austria | 501-1,000 | Exact match | 106 contacts → |
“Die Natur ist unsere Lebensader.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Windhager BHT Groupwindhager.com HQ: Seekirchen Am Wallersee, AustriaReported employees: 501-1,000 | Seekirchen Am Wallersee, Austria | 501-1,000 | Exact match | 105 contacts → |
“Rocke die Zukunft mit REINSTEM HEIZEN Steige mit uns auf eine moderne Heizlösung um, die nicht nur umweltfreundlich, sondern auch zukunftssicher ist.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bdi-Bioenergy International Gmbhbdi-bioenergy.com HQ: Raaba-grambach, AustriaReported employees: 51-200 | Raaba-grambach, Austria | 51-200 | Exact match | 55 contacts → |
“BDI-BioEnergy International GmbH, founded in 1996, develops technologies to upgrade industrial residuals and waste streams into biofuels and valuable by-products.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ETA Heiztechniketa.co.at HQ: Hofkirchen An Der Trattnach, AustriaReported employees: 201-500 | Hofkirchen An Der Trattnach, Austria | 201-500 | Exact match | 37 contacts → |
“Vom Hausruckviertel in die ganze Welt!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ökofen Forschungs- UND Entwicklungsgesmbhoekofen.com HQ: Niederkappel, AustriaReported employees: 201-500 | Niederkappel, Austria | 201-500 | Exact match | 34 contacts → |
“The name ÖkoFEN stands since its foundation in 1989 for ecological research and development of environmentally friendly pellet heating systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fröling Heizkessel UND Behälterbau Gmbhfroeling.com HQ: Grieskirchen, AustriaReported employees: 501-1,000 | Grieskirchen, Austria | 501-1,000 | Exact match | 28 contacts → |
“Wir sind einer der führenden europäischen Hersteller innovativer und umweltfreundlicher Heizsysteme (Scheitholz, Hackgut, Pellets).” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Aqotec Gmbhaqotec.com HQ: Weissenkirchen Im Attergau, AustriaReported employees: 51-200 | Weissenkirchen Im Attergau, Austria | 51-200 | Exact match | 28 contacts → |
“Aqotec GmbH with its headquarter in Austria is specialisted in renewable engery solutions in the field of biomass.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Mywarmmywarm.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 24 contacts → |
“Smart heating.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ecop Technologies Gmbhecop.at HQ: Wiener Neudorf, AustriaReported employees: 11-50 | Wiener Neudorf, Austria | 11-50 | Exact match | 19 contacts → |
“ecop is a technology company that develops, manufactures and sells novel high-temperature large-scale heat pumps and chillers for industrial use.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vertus Energyvertusenergy.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 17 contacts → |
“Waste-to-X.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ecotherm HOT Water, Steam & Solar Systemsecotherm.com HQ: Hartkirchen, AustriaReported employees: 51-200 | Hartkirchen, Austria | 51-200 | Exact match | 15 contacts → |
“ECOTHERM - The leading brand for individual hot water, steam and solar systems for hotels, hospitals and industrial applications.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Peter Seppele Gesellschaft M.B.Hseppele.at HQ: 9710 Feistritz/drau, AustriaReported employees: 201-500 | 9710 Feistritz/drau, Austria | 201-500 | Exact match | 9 contacts → |
“Unsere Firmengeschichte hängt eng mit unserer Verantwortung gegenüber den Mitmenschen, der Umwelt und unserer Heimat zusammen.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Joulzenjoulzen.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Verwandle deine alte Ölheizung in einen innovativen Wärmespeicher – speichere überschüssige Energie und sicher dir eine nachhaltige, unabhängige Zukunft.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Zuser Ressourcenmanagement Gmbhzuser.at HQ: Peggau, AustriaReported employees: 51-200 | Peggau, Austria | 51-200 | Exact match | 8 contacts → |
“Am Standort Peggau wird Ihr Abfall zur Ressource!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enages Gmbhenages.at HQ: Niklasdorf, AustriaReported employees: 51-200 | Niklasdorf, Austria | 51-200 | Exact match | 6 contacts → |
“ENAGES GmbH is a company based out of Niklasdorf, Styria, Austria.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Entec Biopower Austria Gmbhentec-biopower.com HQ: Dornbirn, AustriaReported employees: 11-50 | Dornbirn, Austria | 11-50 | Exact match | 4 contacts → |
“40+ YEARS, 300+ PROJECTS, 23+ COUNTRIES entec is a private owned group, with its headquarters based in Austria and operational subsidiaries in four different Countries (Germany…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Forstner Speichertechnik Gmbhspeichertechnik.com HQ: Hard, AustriaReported employees: 1-10 | Hard, Austria | 1-10 | Exact match | 4 contacts → |
“Wir dimensionieren und fertigen Produkte für Speichertechnik, Abwärmenutzung und Wärmerückgewinnung.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Parastructparastruct.com HQ: Innsbruck, AustriaReported employees: 11-50 | Innsbruck, Austria | 11-50 | Exact match | 4 contacts → |
“ParaStruct makes industrial circular economy profitable.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wundara Gmbhwundara.com HQ: Pölfing-brunn, AustriaReported employees: 1-10 | Pölfing-brunn, Austria | 1-10 | Exact match | 3 contacts → |
“Fernheizwerk Pölfing Brunn” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kärntner Restmüllverwertungs Gmbhkrv.co.at HQ: Arnoldstein, AustriaReported employees: 11-50 | Arnoldstein, Austria | 11-50 | Exact match | 3 contacts → |
“Die Kärntner Restmüllverwertungs GmbH (KRV) betreibt eine Müllverbrennungsanlage in Arnoldstein.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Schmid Energy Solutions Gmbhschmid-energy.at HQ: Lieboch, AustriaReported employees: 1-10 | Lieboch, Austria | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Bio-Brennstoff Gmbhbio-brennstoff.com HQ: Waldegg, AustriaReported employees: 11-50 | Waldegg, Austria | 11-50 | Exact match | 2 contacts → |
“Die BIO-Brennstoff GmbH setzt neue Maßstäbe im Upcycling und ist als Sammler und Aufbereiter für Abfallströme zur Verwertung in der Zement- und Baustoffindustrie tätig.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Wastelog Environmental Logistics Gmbhwastelog.at HQ: Grambach, AustriaReported employees: 1-10 | Grambach, Austria | 1-10 | Exact match | 2 contacts → |
“With our waste marketplace we empower companies to create a cleaner and better world.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Magdalen, AustriaReported employees: 201-500 | Magdalen, Austria | 201-500 | Exact match | 2 contacts → |
“KELAG Energie & Wärme GmbH is a company based out of ST.MAGDALENER STRASSE 81, Villach-St.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Waste-to-heat companies: dataset insights
September 22, 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
57 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 Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 58 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 22, 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 waste-to-heat companies?
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 waste-to-heat companies did RevenueBase find based in Austria?
The saved snapshot records 58 matching company records, 2,048 tracked contacts and 692 verified emails. The public preview displays 25 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 22, 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
Waste-to-heat companies by geography
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- Waste-to-heat companies based in Belgium
- Waste-to-heat companies based in Brazil
- Waste-to-heat companies based in Canada
- Waste-to-heat companies based in Chile
- Waste-to-heat companies based in Czechia
- Waste-to-heat companies based in Denmark
- Waste-to-heat companies based in Finland
- Waste-to-heat companies based in France
- Waste-to-heat companies based in Germany
- Waste-to-heat companies based in India
- Waste-to-heat companies based in Indonesia
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 waste-to-heat companies based in Austria. Snapshot: September 22, 2026. https://revenuebase.ai/companies/waste-to-heat-companies/austria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗