Company lists · Data refreshed November 2026
Top 25 Energy companies based in Italy
RevenueBase lists 705 energy companies based in Italy, with 70,122 business contacts and 26,898 email addresses. The directory covers organizations involved in producing, generating, transmitting, distributing, trading, or supplying energy. As of November 2026, Milan is the single most-represented city among the companies on the list.
Energy companies produce, generate, transmit, distribute, trade, or supply energy and related energy products and services. This list covers companies that produce, generate, transmit, distribute, trade, or supply energy, including electricity, fuels, and renewable energy products. Ranked by team size, largest first. Data current as of November 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest energy companies based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 20,739 contacts → | ||||
Strong evidence “Eni is an integrated energy company, founded in 1953, with 31.376 employees in 69 countries around the world, including Algeria, Angola, Mozambique, Mexico, Indonesia and Italy.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 16,168 contacts → | ||||
Strong evidence “We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,132 contacts → | ||||
Indirect evidence “Il Gruppo Hera è una delle maggiori multiutility italiane, nato nel 2002 dall'aggregazione di 11 aziende municipalizzate emiliano-romagnole e diventato in vent’anni il principale…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,736 contacts → | ||||
Strong evidence “Ansaldo Energia Group is an international leader in the power generation industry and a key player in the energy transition.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 2,425 contacts → | ||||
Strong evidence “Siamo una società leader dell’energia, con oltre 140 anni di storia e primati che fanno di noi il più antico operatore del settore in Europa.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2,011 contacts → | ||||
Strong evidence “Italgas è una Network Tech Company, leader nei settori della distribuzione del gas, dei servizi idrici, dell’efficienza energetica e dell’IT.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 927 contacts → | ||||
Indirect evidence “The journey of Pietro Fiorentini is a story of global reach and continuous improvement.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 797 contacts → | ||||
Indirect evidence “Kuwait Petroleum Italia S.p.A.(Q8), affiliata della Kuwait Petroleum International - società responsabile del business del downstream petrolifero a livello internazionale - entra…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 668 contacts → | ||||
Strong evidence “Saras is a long-established Italian industrial company and a leading player in the energy sector, now fully integrated into Vitol, a global leader in energy and commodities…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 665 contacts → | ||||
Indirect evidence “Enegan offre soluzioni personalizzate per le aziende abbinando alla fornitura di elettricità, gas e telecomunicazioni una vasta gamma di prodotti e servizi ad alto valore…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 649 contacts → | ||||
Strong evidence “We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 622 contacts → | ||||
Indirect evidence “Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 585 contacts → | ||||
Strong evidence “Unareti è la società unica per i servizi a rete che gestisce in modo integrato e capillare la distribuzione di energia elettrica e gas.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 573 contacts → | ||||
Indirect evidence “Tamoil Italia SpA is part of the Dutch Oilinvest group, an oil company founded in 1988, operating in Italy, Germany, Switzerland, Spain, and the Netherlands.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 535 contacts → | ||||
Strong evidence “Efficienza energetica e mobilità elettrica per le PMI.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 520 contacts → | ||||
Strong evidence “We produce energy from renewable resources, manage the electricity grid and sell electric energy and district heating systems.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 456 contacts → | ||||
Indirect evidence “Rinnovabili.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 382 contacts → | ||||
Strong evidence “IRETI è la società del Gruppo Iren che gestisce in modo integrato e capillare sul territorio nazionale la distribuzione di energia elettrica, gas e acqua, cercando ogni giorno con…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 380 contacts → | ||||
Strong evidence “Il Gruppo Unoenergy da oltre 20 anni è uno dei primi operatori - a capitale interamente privato - per la fornitura di gas naturale, energia elettrica e servizi di efficientamento…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 368 contacts → | ||||
Strong evidence “The Axpo Group produces, trades and distributes energy reliably in Switzerland and in over 20 countries throughout Europe.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 355 contacts → | ||||
Indirect evidence “2i Rete Gas è una realtà industriale che si occupa della distribuzione del gas in oltre 2 mila comuni presenti sull’intero territorio nazionale.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 350 contacts → | ||||
Strong evidence “GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 329 contacts → | ||||
Strong evidence “Illumia supply electricity, gas and energy saving services to end customers in Italy.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 310 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 265 contacts → | ||||
Indirect evidence “La storia di Estra è tutta italiana: siamo di proprietà pubblica, abbiamo radici in Toscana e dal 2010 siamo cresciuti in tutto il territorio nazionale dove serviamo più di…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: energy companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names energy companies.
- Partial evidence
- Its own public description names part of energy companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 705 energy companies based in Italy
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 26,898 reachable decision-makers.
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Energy companies based in Italy at a glance
As of Nov 5, 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 705 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Italy whose own description of what they do matches “energy companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among energy companies, and records with no verified work email. Companies headquartered outside Italy are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 26,898 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Energy companies by metro
Frequently asked
What are energy companies?
Energy companies produce, generate, transmit, distribute, trade, or supply energy and related products and services.
How many energy companies are based in Italy?
The directory lists 705 energy companies based in Italy, with 70,122 business contacts and 26,898 email addresses.
Which city has the most energy companies in this list?
Milan is the single most-represented city among the companies on the list.
Ready to reach these companies? Verified emails and direct dials for all 705 energy companies based in Italy. Start with a free account, no credit card.
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Energy companies by geography
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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 Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 25 energy 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 705 matching company records for energy companies based in Italy, with 70,122 tracked contacts and 26,898 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: November 5, 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 energy 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 |  ENIeni.comHQ: Rome, ItalyReported employees: 10001+ | Rome, Italy | 10001+ | Exact match | 20,739 contacts → |
“Eni is an integrated energy company, founded in 1953, with 31.376 employees in 69 countries around the world, including Algeria, Angola, Mozambique, Mexico, Indonesia and Italy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Enel Groupenel.comHQ: Rome, ItalyReported employees: 10001+ | Rome, Italy | 10001+ | Exact match | 16,168 contacts → |
“We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Gruppo Heragruppohera.itHQ: Bologna, ItalyReported employees: 10001+ | Bologna, Italy | 10001+ | Exact match | 3,132 contacts → |
“Il Gruppo Hera è una delle maggiori multiutility italiane, nato nel 2002 dall'aggregazione di 11 aziende municipalizzate emiliano-romagnole e diventato in vent’anni il principale…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ansaldo Energiaansaldoenergia.comHQ: Genoa, ItalyReported employees: 1,001-5,000 | Genoa, Italy | 1,001-5,000 | Exact match | 2,736 contacts → |
“Ansaldo Energia Group is an international leader in the power generation industry and a key player in the energy transition.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Edisonedison.itHQ: Milan, ItalyReported employees: 5,001-10,000 | Milan, Italy | 5,001-10,000 | Exact match | 2,425 contacts → |
“Siamo una società leader dell’energia, con oltre 140 anni di storia e primati che fanno di noi il più antico operatore del settore in Europa.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Italgasitalgas.itHQ: Milan, ItalyReported employees: 5,001-10,000 | Milan, Italy | 5,001-10,000 | Exact match | 2,011 contacts → |
“Italgas è una Network Tech Company, leader nei settori della distribuzione del gas, dei servizi idrici, dell’efficienza energetica e dell’IT.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Pietro Fiorentinifiorentini.comHQ: Arcugnano, ItalyReported employees: 1,001-5,000 | Arcugnano, Italy | 1,001-5,000 | Exact match | 927 contacts → |
“The journey of Pietro Fiorentini is a story of global reach and continuous improvement.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Q8 Italiaq8.itHQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 797 contacts → |
“Kuwait Petroleum Italia S.p.A.(Q8), affiliata della Kuwait Petroleum International - società responsabile del business del downstream petrolifero a livello internazionale - entra…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  SARASsaras.itHQ: Milan, ItalyReported employees: 1,001-5,000 | Milan, Italy | 1,001-5,000 | Exact match | 668 contacts → |
“Saras is a long-established Italian industrial company and a leading player in the energy sector, now fully integrated into Vitol, a global leader in energy and commodities…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Eneganenegan.itHQ: Vinci, ItalyReported employees: 201-500 | Vinci, Italy | 201-500 | Exact match | 665 contacts → |
“Enegan offre soluzioni personalizzate per le aziende abbinando alla fornitura di elettricità, gas e telecomunicazioni una vasta gamma di prodotti e servizi ad alto valore…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ERG SPAerg.euHQ: Genoa, ItalyReported employees: 501-1,000 | Genoa, Italy | 501-1,000 | Exact match | 649 contacts → |
“We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sorgeniasorgenia.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 622 contacts → |
“Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Unaretiunareti.itHQ: Brescia, ItalyReported employees: 1,001-5,000 | Brescia, Italy | 1,001-5,000 | Exact match | 585 contacts → |
“Unareti è la società unica per i servizi a rete che gestisce in modo integrato e capillare la distribuzione di energia elettrica e gas.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tamoil Italia S.P.Atamoil.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 573 contacts → |
“Tamoil Italia SpA is part of the Dutch Oilinvest group, an oil company founded in 1988, operating in Italy, Germany, Switzerland, Spain, and the Netherlands.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Repower Italiarepower.comHQ: Milan, ItalyReported employees: 501-1,000 | Milan, Italy | 501-1,000 | Exact match | 535 contacts → |
“Efficienza energetica e mobilità elettrica per le PMI.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Alperia Groupalperiagroup.euHQ: Bolzano, ItalyReported employees: 1,001-5,000 | Bolzano, Italy | 1,001-5,000 | Exact match | 520 contacts → |
“We produce energy from renewable resources, manage the electricity grid and sell electric energy and district heating systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Dolomiti Energiagruppodolomitienergia.itHQ: Rovereto, ItalyReported employees: 1,001-5,000 | Rovereto, Italy | 1,001-5,000 | Exact match | 456 contacts → |
“Rinnovabili.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ireti S.P.Aireti.itHQ: Genoa, ItalyReported employees: 201-500 | Genoa, Italy | 201-500 | Exact match | 382 contacts → |
“IRETI è la società del Gruppo Iren che gestisce in modo integrato e capillare sul territorio nazionale la distribuzione di energia elettrica, gas e acqua, cercando ogni giorno con…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Unoenergy SPAunoenergy.itHQ: Milan, ItalyReported employees: 501-1,000 | Milan, Italy | 501-1,000 | Exact match | 380 contacts → |
“Il Gruppo Unoenergy da oltre 20 anni è uno dei primi operatori - a capitale interamente privato - per la fornitura di gas naturale, energia elettrica e servizi di efficientamento…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Axpo Italiaaxpo.comHQ: Genoa, ItalyReported employees: 201-500 | Genoa, Italy | 201-500 | Exact match | 368 contacts → |
“The Axpo Group produces, trades and distributes energy reliably in Switzerland and in over 20 countries throughout Europe.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  2i Rete GAS S.P.A2iretegas.itHQ: Milan, ItalyReported employees: 1,001-5,000 | Milan, Italy | 1,001-5,000 | Exact match | 355 contacts → |
“2i Rete Gas è una realtà industriale che si occupa della distribuzione del gas in oltre 2 mila comuni presenti sull’intero territorio nazionale.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Geko S.P.Agekospa.itHQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 350 contacts → |
“GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Illumiaillumia.itHQ: Bologna, ItalyReported employees: 201-500 | Bologna, Italy | 201-500 | Exact match | 329 contacts → |
“Illumia supply electricity, gas and energy saving services to end customers in Italy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  APIgruppoapi.comHQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 310 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Estra S.P.Aestra.itHQ: Prato, ItalyReported employees: 501-1,000 | Prato, Italy | 501-1,000 | Exact match | 265 contacts → |
“La storia di Estra è tutta italiana: siamo di proprietà pubblica, abbiamo radici in Toscana e dal 2010 siamo cresciuti in tutto il territorio nazionale dove serviamo più di…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 705 company matches
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Energy companies: dataset insights
November 5, 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
701 records in the displayed employee bands.
4 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 705 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: November 5, 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 ↗
Energy companies by metro
Questions about this company list
What does Exact match mean for energy 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 energy companies did RevenueBase find based in Italy?
The saved snapshot records 705 matching company records, 70,122 tracked contacts and 26,898 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: November 5, 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
Energy companies by geography
- Energy companies based in the United States
- Energy companies based in Germany
- Energy companies based in the United Kingdom
- Energy companies based in Spain
- Energy companies based in Brazil
- Energy companies based in France
- Energy companies based in Canada
- Energy companies based in the Netherlands
- Energy companies based in Poland
- Energy companies based in Switzerland
- Energy companies based in Australia
- Energy companies based in Mexico
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 energy companies based in Italy. Snapshot: November 5, 2026. https://revenuebase.ai/companies/energy-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
Company intelligence · public preview
Top 25 energy companies based in Italy
RevenueBase records 705 matching company records for energy companies based in Italy, with 70,122 tracked contacts and 26,898 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: November 5, 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 energy 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 | ENIeni.com HQ: Rome, ItalyReported employees: 10001+ | Rome, Italy | 10001+ | Exact match | 20,739 contacts → |
“Eni is an integrated energy company, founded in 1953, with 31.376 employees in 69 countries around the world, including Algeria, Angola, Mozambique, Mexico, Indonesia and Italy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Enel Groupenel.com HQ: Rome, ItalyReported employees: 10001+ | Rome, Italy | 10001+ | Exact match | 16,168 contacts → |
“We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gruppo Heragruppohera.it HQ: Bologna, ItalyReported employees: 10001+ | Bologna, Italy | 10001+ | Exact match | 3,132 contacts → |
“Il Gruppo Hera è una delle maggiori multiutility italiane, nato nel 2002 dall'aggregazione di 11 aziende municipalizzate emiliano-romagnole e diventato in vent’anni il principale…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ansaldo Energiaansaldoenergia.com HQ: Genoa, ItalyReported employees: 1,001-5,000 | Genoa, Italy | 1,001-5,000 | Exact match | 2,736 contacts → |
“Ansaldo Energia Group is an international leader in the power generation industry and a key player in the energy transition.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Edisonedison.it HQ: Milan, ItalyReported employees: 5,001-10,000 | Milan, Italy | 5,001-10,000 | Exact match | 2,425 contacts → |
“Siamo una società leader dell’energia, con oltre 140 anni di storia e primati che fanno di noi il più antico operatore del settore in Europa.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Italgasitalgas.it HQ: Milan, ItalyReported employees: 5,001-10,000 | Milan, Italy | 5,001-10,000 | Exact match | 2,011 contacts → |
“Italgas è una Network Tech Company, leader nei settori della distribuzione del gas, dei servizi idrici, dell’efficienza energetica e dell’IT.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Pietro Fiorentinifiorentini.com HQ: Arcugnano, ItalyReported employees: 1,001-5,000 | Arcugnano, Italy | 1,001-5,000 | Exact match | 927 contacts → |
“The journey of Pietro Fiorentini is a story of global reach and continuous improvement.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Q8 Italiaq8.it HQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 797 contacts → |
“Kuwait Petroleum Italia S.p.A.(Q8), affiliata della Kuwait Petroleum International - società responsabile del business del downstream petrolifero a livello internazionale - entra…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SARASsaras.it HQ: Milan, ItalyReported employees: 1,001-5,000 | Milan, Italy | 1,001-5,000 | Exact match | 668 contacts → |
“Saras is a long-established Italian industrial company and a leading player in the energy sector, now fully integrated into Vitol, a global leader in energy and commodities…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Eneganenegan.it HQ: Vinci, ItalyReported employees: 201-500 | Vinci, Italy | 201-500 | Exact match | 665 contacts → |
“Enegan offre soluzioni personalizzate per le aziende abbinando alla fornitura di elettricità, gas e telecomunicazioni una vasta gamma di prodotti e servizi ad alto valore…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ERG SPAerg.eu HQ: Genoa, ItalyReported employees: 501-1,000 | Genoa, Italy | 501-1,000 | Exact match | 649 contacts → |
“We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sorgeniasorgenia.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 622 contacts → |
“Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Unaretiunareti.it HQ: Brescia, ItalyReported employees: 1,001-5,000 | Brescia, Italy | 1,001-5,000 | Exact match | 585 contacts → |
“Unareti è la società unica per i servizi a rete che gestisce in modo integrato e capillare la distribuzione di energia elettrica e gas.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tamoil Italia S.P.Atamoil.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 573 contacts → |
“Tamoil Italia SpA is part of the Dutch Oilinvest group, an oil company founded in 1988, operating in Italy, Germany, Switzerland, Spain, and the Netherlands.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Repower Italiarepower.com HQ: Milan, ItalyReported employees: 501-1,000 | Milan, Italy | 501-1,000 | Exact match | 535 contacts → |
“Efficienza energetica e mobilità elettrica per le PMI.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Alperia Groupalperiagroup.eu HQ: Bolzano, ItalyReported employees: 1,001-5,000 | Bolzano, Italy | 1,001-5,000 | Exact match | 520 contacts → |
“We produce energy from renewable resources, manage the electricity grid and sell electric energy and district heating systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Dolomiti Energiagruppodolomitienergia.it HQ: Rovereto, ItalyReported employees: 1,001-5,000 | Rovereto, Italy | 1,001-5,000 | Exact match | 456 contacts → |
“Rinnovabili.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ireti S.P.Aireti.it HQ: Genoa, ItalyReported employees: 201-500 | Genoa, Italy | 201-500 | Exact match | 382 contacts → |
“IRETI è la società del Gruppo Iren che gestisce in modo integrato e capillare sul territorio nazionale la distribuzione di energia elettrica, gas e acqua, cercando ogni giorno con…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Unoenergy SPAunoenergy.it HQ: Milan, ItalyReported employees: 501-1,000 | Milan, Italy | 501-1,000 | Exact match | 380 contacts → |
“Il Gruppo Unoenergy da oltre 20 anni è uno dei primi operatori - a capitale interamente privato - per la fornitura di gas naturale, energia elettrica e servizi di efficientamento…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Axpo Italiaaxpo.com HQ: Genoa, ItalyReported employees: 201-500 | Genoa, Italy | 201-500 | Exact match | 368 contacts → |
“The Axpo Group produces, trades and distributes energy reliably in Switzerland and in over 20 countries throughout Europe.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 2i Rete GAS S.P.A2iretegas.it HQ: Milan, ItalyReported employees: 1,001-5,000 | Milan, Italy | 1,001-5,000 | Exact match | 355 contacts → |
“2i Rete Gas è una realtà industriale che si occupa della distribuzione del gas in oltre 2 mila comuni presenti sull’intero territorio nazionale.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geko S.P.Agekospa.it HQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 350 contacts → |
“GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Illumiaillumia.it HQ: Bologna, ItalyReported employees: 201-500 | Bologna, Italy | 201-500 | Exact match | 329 contacts → |
“Illumia supply electricity, gas and energy saving services to end customers in Italy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | APIgruppoapi.com HQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 310 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Estra S.P.Aestra.it HQ: Prato, ItalyReported employees: 501-1,000 | Prato, Italy | 501-1,000 | Exact match | 265 contacts → |
“La storia di Estra è tutta italiana: siamo di proprietà pubblica, abbiamo radici in Toscana e dal 2010 siamo cresciuti in tutto il territorio nazionale dove serviamo più di…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 705 company matches
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Energy companies: dataset insights
November 5, 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
701 records in the displayed employee bands.
4 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 705 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: November 5, 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 ↗
Energy companies by metro
Questions about this company list
What does Exact match mean for energy 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 energy companies did RevenueBase find based in Italy?
The saved snapshot records 705 matching company records, 70,122 tracked contacts and 26,898 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: November 5, 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 energy companies based in Italy. Snapshot: November 5, 2026. https://revenuebase.ai/companies/energy-companies/italy.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗