Company lists · Data refreshed September 2026

Top 25 Renewable energy maintenance companies based in Italy

Name: Renewable energy maintenance companies based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 387 companies tracked

RevenueBase identified 387 company matches for renewable energy maintenance companies associated with Italy as of September 2026 and tracks 2,987 professional contacts across them, including 788 with verified work emails. Milan is the largest hub.

This list covers company matches for renewable energy maintenance 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 17, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

387Companies

2,987Contacts tracked

788Verified emails

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The 25 largest renewable energy maintenance companies based in Italy

Ranked by team size

Top 25 of 387 company matches for renewable energy maintenance companies based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Stern Energy	Exact match	Parma, ItalyHQ recorded Sep 17, 2026	201-500	205 contacts →
	Exact match “Stern Energy, founded in 2008, is an Italy-based company specialized in technical services for photovoltaic plants and BESS systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Algowatt	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	n/a	137 contacts →
	Exact match “TerniEnergia is active in the energies from renewable sources business, particularly in the photovoltaic segment, where it operates as a system integrator.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Tozzi Green S.P.A	Exact match	Mezzano, ItalyHQ recorded Sep 17, 2026	201-500	132 contacts →
	Exact match “Tozzi Green è una società specializzata in servizi e progetti per lo sviluppo d’impianti e per la generazione di energia da fonti rinnovabili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Ivpc Group	Exact match	Avellino, ItalyHQ recorded Sep 17, 2026	201-500	110 contacts →
	Exact match “Uno dei principali gruppi a livello nazionale nel settore delle energie rinnovabili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Esapro	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	51-200	98 contacts →
	Exact match “We have more than 10 years’ experience in designing, building and managing renewable power plant and an enviable track record in the maintenance, revamping and 24/7 surveillance…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Delos Power	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	51-200	85 contacts →
	Exact match “Ogni giorno, lavoriamo per generare un impatto positivo sull'ambiente e sulla società.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Unoenergy Green Solutions SPA	Exact match	Cascina, ItalyHQ recorded Sep 17, 2026	201-500	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 17, 2026 · View company records in RevenueBase
8	Energy Italy	Exact match	Costermano Sul Garda, ItalyHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
9	Undo Group	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	51-200	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 17, 2026 · View company records in RevenueBase
10	Oempv S.R.L	Exact match	Rovigo, ItalyHQ recorded Sep 17, 2026	51-200	43 contacts →
	Exact match “OEMpv nasce nel 2010 dall’esigenza sempre maggiore di fare manutenzione agli impianti fotovoltaici di media e grande dimensione.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	BFP Service	Exact match	Modugno, ItalyHQ recorded Sep 17, 2026	11-50	41 contacts →
	Exact match “BFP Service is the EPC and O&M company of the BFP group.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Aliseo Group SRL	Exact match	Empoli, ItalyHQ recorded Sep 17, 2026	11-50	39 contacts →
	Exact match “WORK FOR MAXIMISING YOUR PERFORMANCE Thanks to technology and our values, we work to optimize the performance of facilities renewable energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Gruppo Fera	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	11-50	34 contacts →
	Exact match “FERA SRL – Fabbrica Energie Rinnovabili Alternative opera nel settore delle energie rinnovabili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Ferplant Srl-Gruppo Mondopower	Exact match	Turin, ItalyHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Ferplant srl, ramo operativo del gruppo MondoPower,opera attraverso un gruppo composto da ingegneri esperti, preparati e specializzati in diversi settori.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Secsun SRL	Exact match	Altamura, ItalyHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Secsun Srl, realtà giovane e dinamica del Sud Italia, sfruttando le crescenti potenzialità del fiorente mercato fotovoltaico ha acquisito un innovativo e sperimentale know how…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Efficace Impianti	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	51-200	19 contacts →
	Exact match “Leader in the areas of management, repair and installation of technological systems, committed to offering advanced solutions and high quality services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Seci Energia	Exact match	Zola Predosa, ItalyHQ recorded Sep 17, 2026	51-200	19 contacts →
	Exact match “Established in 2006, SECI Energia is the sub-holding company of the Maccaferri Industrial Group in which are concentrated shareholdings of new companies engaged in the energy…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Half Bridge Automation	Exact match	Lecce, ItalyHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Siamo un’azienda nata nel 2020 dall’incontro di esperienze professionali decennali nel campi delle energie rinnovabili e dell’automazione industriale.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Renexia SPA	Exact match	Chieti, ItalyHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Renewable energy: design, construction, and management of large photovoltaic and wind” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	F.Lli Franchini SRL	Exact match	Rimini, ItalyHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “F.lli Franchini nasce con il settore degli impianti elettrici civili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	F.Lli Bari S.R.L	Exact match	Sarego, ItalyHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Officina elettromeccanica di riparazioni e manutenzione motori, pompe, gruppi elettrogeni, trasformatori ed altre macchine elettriche per la produzione di energia, macchinari per…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Sinergies Group	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Siamo un’azienda energetica che opera lungo la filiera della produzione e dello stoccaggio di energia da fonte rinnovabile per guidare le persone, le imprese e le comunità verso…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Energie Nuove SRL	Exact match	Marotta, ItalyHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “ENERGIE NUOVE SRL è una società che opera nel settore delle energie rinnovabili, come EPC Contractor e servizi di management, manutenzione e progettazione.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Ermes S.P.A	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “ERMES SpA opera nella produzione di Energia Elettrica da Fonte Rinnovabile attraverso il Development - EPCM - O&M service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Sima Global Service	Exact match	Brusciano, ItalyHQ recorded Sep 17, 2026	51-200	13 contacts →
	Exact match “La Sima Global Service è un' azienda giovane con un managment che vanta un' esperienza pluridecennale sul mercato dell'impiantistica industriale che è in grado di fornire la…” Recorded in the RevenueBase company graph · Sep 17, 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 “renewable energy maintenance 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 387 renewable energy maintenance companies based in Italy

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Renewable energy maintenance companies based in Italy at a glance

As of Sep 17, 2026

26.4%Verified-email coverage

7.7Average contacts per company

11-50Median size (employees)

5.7%Largest-city concentration · Milan

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

166

11-50

180

51-200

201-500

501-1,000

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 387 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 “renewable energy maintenance 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 788 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “renewable energy maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy maintenance companies are there based in Italy?

RevenueBase identified 387 company matches for renewable energy maintenance 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?

Stern Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable energy maintenance companies?

Milan leads with 22 company records, followed by Rome (15) and Turin (12).

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 788 professional contacts with verified work emails tracked across these 387 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 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.