Company lists · Data refreshed September 2026
Top 25 Clean tech companies based in Italy
RevenueBase identified 946 company matches for clean tech companies associated with Italy as of September 2026 and tracks 17,223 professional contacts across them, including 4,352 with verified work emails. Milan is the largest hub.
This list covers company matches for clean tech companies associated with Italy, 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 19, 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 clean tech companies based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,251 contacts → | ||||
Exact match “We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 766 contacts → | ||||
Exact match “Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 369 contacts → | ||||
Exact match “Rinnovabili.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 255 contacts → | ||||
Exact match “Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 144 contacts → | ||||
Exact match “Know-how, experience, reliability, innovation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 140 contacts → | ||||
Exact match “A national player in energy efficiency and sustainability: Geoside is the Energy Service Company (ESCo) of Italgas Group and a leader in Italy and Europe in the field of energy…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 139 contacts → | ||||
Exact match “City Green Light è un Gruppo che opera nel campo del risparmio e dell'efficientamento energetico, partecipata da primari fondi di investimento nazionali e internazionali…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 100 contacts → | ||||
Exact match “In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 99 contacts → | ||||
Exact match “Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 99 contacts → | ||||
Exact match “Founded in 1956, ROBUR designs, engineers and manufactures heating and cooling systems and solutions for residential, commercial, PA and industrial applications.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match “Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 80 contacts → | ||||
Exact match “è una società che opera nel settore energetico.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 79 contacts → | ||||
Exact match “Siamo al tuo fianco per intraprendere un percorso di sostenibilità.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 69 contacts → | ||||
Exact match “In a world where environmental responsibility and corporate accountability are more crucial than ever, Redecam stands at the forefront of innovation and sustainability.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 68 contacts → | ||||
Exact match “In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 63 contacts → | ||||
Exact match “Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 62 contacts → | ||||
Exact match “Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 61 contacts → | ||||
Exact match “Nata nel 1938, SACCIR è parte del gruppo SAMOVAR ha accompagnato l’evoluzione dell’energia in Italia, diventando un punto di riferimento nel settore dei multiservizi tecnologici.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 59 contacts → | ||||
Exact match “Energy Italy SpA, azienda parte del gruppo Energy Holding, dal 2012 è tra le realtà più innovative nel settore delle energie rinnovabili e del risparmio energetico.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 58 contacts → | ||||
Exact match “ITAE develops and promotes innovative energy technologies able to conjugate the deep knowledge on electrochemical, catalytic and adsorption processes with the ability to design…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 57 contacts → | ||||
Exact match “EUCLIDE was founded in Turin in 2007 as a synthesis of the professional skills gained by the Founding Partners in their previous work experiences.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 57 contacts → | ||||
Exact match “EVA: il tuo partner per un futuro energetico sostenibile.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 55 contacts → | ||||
Exact match “We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 53 contacts → | ||||
Exact match “Inergia was founded in 2003 with the strategic diversification of the Santarelli group, a leader in Italy’s real estate industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 52 contacts → | ||||
Exact match “AzzeroCO2 offre a enti pubblici, imprese, cittadini, la possibilità di contribuire attivamente a ridurre le emissioni dei gas serra.” Recorded in the RevenueBase company graph · Sep 19, 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 “clean tech 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 946 clean tech companies based in Italy
See the full list, filter by size, metro and specialty, and access 4,352 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean tech companies based in Italy at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 946 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 Italy whose business descriptions match “clean tech 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 4,352 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 19, 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.
Clean tech companies by metro
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 “clean tech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean tech companies are there based in Italy?
RevenueBase identified 946 company matches for clean tech companies associated with Italy 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?
Enel Green Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clean tech companies?
Milan leads with 99 company records, followed by Rome (79) and Naples (22).
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 4,352 professional contacts with verified work emails tracked across these 946 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 946 clean tech companies based in Italy. Start with a free account, no credit card.
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Clean tech companies by geography
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- Clean tech companies based in Porto Alegre, Brazil
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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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clean tech companies based in Melbourne, Australia
- Clean tech companies based in Sydney, Australia
- Clean tech companies based in Belo Horizonte, Brazil
- Clean tech companies based in Campinas, Brazil
- Clean tech companies based in Curitiba, Brazil
- Clean tech companies based in Fortaleza, Brazil
Company intelligence · public preview
Top 25 clean tech companies based in Italy
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 946 matching company records for clean tech companies based in Italy, with 17,223 tracked contacts and 4,352 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 19, 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 clean tech companies based in Italy
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 |  Enel Green Powerenelgreenpower.comHQ: Rome, ItalyReported employees: 5,001-10,000 | Rome, Italy | 5,001-10,000 | Exact match | 5,251 contacts → |
“We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NWG S.P.Anwgitalia.itHQ: Prato, ItalyReported employees: Not recorded | Prato, Italy | Not recorded | Exact match | 766 contacts → |
“Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Dolomiti Energiagruppodolomitienergia.itHQ: Rovereto, ItalyReported employees: 1,001-5,000 | Rovereto, Italy | 1,001-5,000 | Exact match | 369 contacts → |
“Rinnovabili.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Renovitrenovit.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 255 contacts → |
“Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Espe S.P.Aespe.itHQ: Grantorto, ItalyReported employees: 51-200 | Grantorto, Italy | 51-200 | Exact match | 144 contacts → |
“Know-how, experience, reliability, innovation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Geosidegeoside.comHQ: Casalecchio Di Reno, ItalyReported employees: 51-200 | Casalecchio Di Reno, Italy | 51-200 | Exact match | 140 contacts → |
“A national player in energy efficiency and sustainability: Geoside is the Energy Service Company (ESCo) of Italgas Group and a leader in Italy and Europe in the field of energy…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | City Green Lightcitygreenlight.com HQ: Vicenza, ItalyReported employees: 51-200 | Vicenza, Italy | 51-200 | Exact match | 139 contacts → |
“City Green Light è un Gruppo che opera nel campo del risparmio e dell'efficientamento energetico, partecipata da primari fondi di investimento nazionali e internazionali…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Siel S.P.Asielups.comHQ: Trezzano Rosa, ItalyReported employees: 51-200 | Trezzano Rosa, Italy | 51-200 | Exact match | 100 contacts → |
“In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Greenergygreenergy.itHQ: Castellaneta, ItalyReported employees: 51-200 | Castellaneta, Italy | 51-200 | Exact match | 99 contacts → |
“Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Robur S.P.Arobur.it HQ: Verdellino, ItalyReported employees: 51-200 | Verdellino, Italy | 51-200 | Exact match | 99 contacts → |
“Founded in 1956, ROBUR designs, engineers and manufactures heating and cooling systems and solutions for residential, commercial, PA and industrial applications.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Italia GAS E Luceitaliagaseluce.itHQ: Camaiore, ItalyReported employees: 51-200 | Camaiore, Italy | 51-200 | Exact match | 83 contacts → |
“Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Energy Waveenergywave.itHQ: Alessandria, ItalyReported employees: 11-50 | Alessandria, Italy | 11-50 | Exact match | 80 contacts → |
“è una società che opera nel settore energetico.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Dolomiti Energiadolomitienergia.it HQ: Trento, ItalyReported employees: 201-500 | Trento, Italy | 201-500 | Exact match | 79 contacts → |
“Siamo al tuo fianco per intraprendere un percorso di sostenibilità.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Redecam Group S.P.Aredecam.comHQ: Sesto San Giovanni, ItalyReported employees: 51-200 | Sesto San Giovanni, Italy | 51-200 | Exact match | 69 contacts → |
“In a world where environmental responsibility and corporate accountability are more crucial than ever, Redecam stands at the forefront of innovation and sustainability.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Lenergy SPAlenergy.itHQ: Fornacette, ItalyReported employees: 51-200 | Fornacette, Italy | 51-200 | Exact match | 68 contacts → |
“In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Unoenergy Green Solutions SPAunoenergy.itHQ: Cascina, ItalyReported employees: 201-500 | Cascina, Italy | 201-500 | Exact match | 63 contacts → |
“Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Gesco SPAgesco.energy HQ: Monteriggioni, ItalyReported employees: 51-200 | Monteriggioni, Italy | 51-200 | Exact match | 62 contacts → |
“Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Saccir S.P.Asaccir.itHQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 61 contacts → |
“Nata nel 1938, SACCIR è parte del gruppo SAMOVAR ha accompagnato l’evoluzione dell’energia in Italia, diventando un punto di riferimento nel settore dei multiservizi tecnologici.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Energy Italyenergyitalyspa.itHQ: Costermano Sul Garda, ItalyReported employees: 11-50 | Costermano Sul Garda, Italy | 11-50 | Exact match | 59 contacts → |
“Energy Italy SpA, azienda parte del gruppo Energy Holding, dal 2012 è tra le realtà più innovative nel settore delle energie rinnovabili e del risparmio energetico.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CNR Itaeitae.cnr.it HQ: Messina, ItalyReported employees: 51-200 | Messina, Italy | 51-200 | Exact match | 58 contacts → |
“ITAE develops and promotes innovative energy technologies able to conjugate the deep knowledge on electrochemical, catalytic and adsorption processes with the ability to design…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Euclideeuclidesrl.comHQ: Turin, ItalyReported employees: 51-200 | Turin, Italy | 51-200 | Exact match | 57 contacts → |
“EUCLIDE was founded in Turin in 2007 as a synthesis of the professional skills gained by the Founding Partners in their previous work experiences.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  EVA Energie Valsabbiaevaspa.itHQ: Gavardo, ItalyReported employees: 51-200 | Gavardo, Italy | 51-200 | Exact match | 57 contacts → |
“EVA: il tuo partner per un futuro energetico sostenibile.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Undo Groupundogroup.comHQ: Rome, ItalyReported employees: 51-200 | Rome, Italy | 51-200 | Exact match | 55 contacts → |
“We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Inergia S.P.Ainergia.itHQ: Rome, ItalyReported employees: 11-50 | Rome, Italy | 11-50 | Exact match | 53 contacts → |
“Inergia was founded in 2003 with the strategic diversification of the Santarelli group, a leader in Italy’s real estate industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Azzeroco2azzeroco2.itHQ: Rome, ItalyReported employees: 11-50 | Rome, Italy | 11-50 | Exact match | 52 contacts → |
“AzzeroCO2 offre a enti pubblici, imprese, cittadini, la possibilità di contribuire attivamente a ridurre le emissioni dei gas serra.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 946 company matches
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Clean tech companies: dataset insights
September 19, 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
941 records in the displayed employee bands.
5 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 Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 946 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 19, 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 ↗
Clean tech companies by metro
Questions about this company list
What does Exact match mean for clean tech 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 clean tech companies did RevenueBase find based in Italy?
The saved snapshot records 946 matching company records, 17,223 tracked contacts and 4,352 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 19, 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
Clean tech companies by geography
- Clean tech companies based in Melbourne, Australia
- Clean tech companies based in Sydney, Australia
- Clean tech companies based in Belo Horizonte, Brazil
- Clean tech companies based in Campinas, Brazil
- Clean tech companies based in Curitiba, Brazil
- Clean tech companies based in Fortaleza, Brazil
- Clean tech companies based in Porto Alegre, Brazil
- Clean tech companies based in Rio De Janeiro, Brazil
- Clean tech companies based in Sao Paulo, Brazil
- Clean tech companies based in Calgary, Canada
- Clean tech companies based in Montreal, Canada
- Clean tech companies based in Toronto, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 clean tech companies based in Italy. Snapshot: September 19, 2026. https://revenuebase.ai/companies/clean-tech-companies/italy.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clean tech companies based in Melbourne, Australia
- Clean tech companies based in Sydney, Australia
- Clean tech companies based in Belo Horizonte, Brazil
- Clean tech companies based in Campinas, Brazil
- Clean tech companies based in Curitiba, Brazil
- Clean tech companies based in Fortaleza, Brazil
Company intelligence · public preview
Top 25 clean tech companies based in Italy
RevenueBase records 946 matching company records for clean tech companies based in Italy, with 17,223 tracked contacts and 4,352 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 19, 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 clean tech companies based in Italy
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 | Enel Green Powerenelgreenpower.com HQ: Rome, ItalyReported employees: 5,001-10,000 | Rome, Italy | 5,001-10,000 | Exact match | 5,251 contacts → |
“We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NWG S.P.Anwgitalia.it HQ: Prato, ItalyReported employees: Not recorded | Prato, Italy | Not recorded | Exact match | 766 contacts → |
“Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dolomiti Energiagruppodolomitienergia.it HQ: Rovereto, ItalyReported employees: 1,001-5,000 | Rovereto, Italy | 1,001-5,000 | Exact match | 369 contacts → |
“Rinnovabili.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Renovitrenovit.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 255 contacts → |
“Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Espe S.P.Aespe.it HQ: Grantorto, ItalyReported employees: 51-200 | Grantorto, Italy | 51-200 | Exact match | 144 contacts → |
“Know-how, experience, reliability, innovation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geosidegeoside.com HQ: Casalecchio Di Reno, ItalyReported employees: 51-200 | Casalecchio Di Reno, Italy | 51-200 | Exact match | 140 contacts → |
“A national player in energy efficiency and sustainability: Geoside is the Energy Service Company (ESCo) of Italgas Group and a leader in Italy and Europe in the field of energy…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | City Green Lightcitygreenlight.com HQ: Vicenza, ItalyReported employees: 51-200 | Vicenza, Italy | 51-200 | Exact match | 139 contacts → |
“City Green Light è un Gruppo che opera nel campo del risparmio e dell'efficientamento energetico, partecipata da primari fondi di investimento nazionali e internazionali…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Siel S.P.Asielups.com HQ: Trezzano Rosa, ItalyReported employees: 51-200 | Trezzano Rosa, Italy | 51-200 | Exact match | 100 contacts → |
“In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Greenergygreenergy.it HQ: Castellaneta, ItalyReported employees: 51-200 | Castellaneta, Italy | 51-200 | Exact match | 99 contacts → |
“Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Robur S.P.Arobur.it HQ: Verdellino, ItalyReported employees: 51-200 | Verdellino, Italy | 51-200 | Exact match | 99 contacts → |
“Founded in 1956, ROBUR designs, engineers and manufactures heating and cooling systems and solutions for residential, commercial, PA and industrial applications.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Italia GAS E Luceitaliagaseluce.it HQ: Camaiore, ItalyReported employees: 51-200 | Camaiore, Italy | 51-200 | Exact match | 83 contacts → |
“Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Energy Waveenergywave.it HQ: Alessandria, ItalyReported employees: 11-50 | Alessandria, Italy | 11-50 | Exact match | 80 contacts → |
“è una società che opera nel settore energetico.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Dolomiti Energiadolomitienergia.it HQ: Trento, ItalyReported employees: 201-500 | Trento, Italy | 201-500 | Exact match | 79 contacts → |
“Siamo al tuo fianco per intraprendere un percorso di sostenibilità.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Redecam Group S.P.Aredecam.com HQ: Sesto San Giovanni, ItalyReported employees: 51-200 | Sesto San Giovanni, Italy | 51-200 | Exact match | 69 contacts → |
“In a world where environmental responsibility and corporate accountability are more crucial than ever, Redecam stands at the forefront of innovation and sustainability.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lenergy SPAlenergy.it HQ: Fornacette, ItalyReported employees: 51-200 | Fornacette, Italy | 51-200 | Exact match | 68 contacts → |
“In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Unoenergy Green Solutions SPAunoenergy.it HQ: Cascina, ItalyReported employees: 201-500 | Cascina, Italy | 201-500 | Exact match | 63 contacts → |
“Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Gesco SPAgesco.energy HQ: Monteriggioni, ItalyReported employees: 51-200 | Monteriggioni, Italy | 51-200 | Exact match | 62 contacts → |
“Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Saccir S.P.Asaccir.it HQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 61 contacts → |
“Nata nel 1938, SACCIR è parte del gruppo SAMOVAR ha accompagnato l’evoluzione dell’energia in Italia, diventando un punto di riferimento nel settore dei multiservizi tecnologici.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Energy Italyenergyitalyspa.it HQ: Costermano Sul Garda, ItalyReported employees: 11-50 | Costermano Sul Garda, Italy | 11-50 | Exact match | 59 contacts → |
“Energy Italy SpA, azienda parte del gruppo Energy Holding, dal 2012 è tra le realtà più innovative nel settore delle energie rinnovabili e del risparmio energetico.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CNR Itaeitae.cnr.it HQ: Messina, ItalyReported employees: 51-200 | Messina, Italy | 51-200 | Exact match | 58 contacts → |
“ITAE develops and promotes innovative energy technologies able to conjugate the deep knowledge on electrochemical, catalytic and adsorption processes with the ability to design…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Euclideeuclidesrl.com HQ: Turin, ItalyReported employees: 51-200 | Turin, Italy | 51-200 | Exact match | 57 contacts → |
“EUCLIDE was founded in Turin in 2007 as a synthesis of the professional skills gained by the Founding Partners in their previous work experiences.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | EVA Energie Valsabbiaevaspa.it HQ: Gavardo, ItalyReported employees: 51-200 | Gavardo, Italy | 51-200 | Exact match | 57 contacts → |
“EVA: il tuo partner per un futuro energetico sostenibile.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Undo Groupundogroup.com HQ: Rome, ItalyReported employees: 51-200 | Rome, Italy | 51-200 | Exact match | 55 contacts → |
“We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Inergia S.P.Ainergia.it HQ: Rome, ItalyReported employees: 11-50 | Rome, Italy | 11-50 | Exact match | 53 contacts → |
“Inergia was founded in 2003 with the strategic diversification of the Santarelli group, a leader in Italy’s real estate industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Azzeroco2azzeroco2.it HQ: Rome, ItalyReported employees: 11-50 | Rome, Italy | 11-50 | Exact match | 52 contacts → |
“AzzeroCO2 offre a enti pubblici, imprese, cittadini, la possibilità di contribuire attivamente a ridurre le emissioni dei gas serra.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Clean tech companies: dataset insights
September 19, 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
941 records in the displayed employee bands.
5 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 Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 946 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 19, 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 ↗
Clean tech companies by metro
Questions about this company list
What does Exact match mean for clean tech 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 clean tech companies did RevenueBase find based in Italy?
The saved snapshot records 946 matching company records, 17,223 tracked contacts and 4,352 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 19, 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.
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Cite this list
RevenueBase Data Team. Top 25 clean tech companies based in Italy. Snapshot: September 19, 2026. https://revenuebase.ai/companies/clean-tech-companies/italy.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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