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Energy companies in Italy — browse 71.9K records

Browse 71,919 energy companies in Italy — registry-sourced from Registro Imprese, scoped to NACE 35 and 06. Each record carries up to up to 500 firmographic attributes — from Codice Fiscale and registered address to revenue, headcount and corporate group structure. The largest by revenue are GESTORE DEI SERVIZI ENERGETICI - GSE SPA ($54.9B), GESTORE DEI MERCATI ENERGETICI SPA ($42.8B) and ENEL ENERGIA SPA ($24.5B).

71.9K
Energy companies
7
NACE codes
47.4K
Group-linked records

Top companies

Largest energy companies in Italy (2026)

The largest energy companies in Italy by revenue are GESTORE DEI SERVIZI ENERGETICI - GSE SPA ($54.9B), GESTORE DEI MERCATI ENERGETICI SPA ($42.8B) and ENEL ENERGIA SPA ($24.5B). The directory below ranks them — sort any column, or filter by sub-sector, company size and region.

Last updated June 2026.

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Every Italian energy companies record with all attributes, by API, bulk export or CRM enrichment.

Showing 25 of 71,919 Italian energy companies· click a column to sort, or a company for its full record

Electric power generation, transmission and distribution730$54.9B
Electric power generation, transmission and distribution123$42.8B
Electric power generation, transmission and distribution1,851$24.5B
Electric power generation, transmission and distribution2,094$13.3B
Trade of gas through mains1,886$10.8B
Electric power generation, transmission and distribution16,600$8.5B
Trade of gas through mains47$7.1B
Electric power generation, transmission and distribution562$6.8B
Electric power generation, transmission and distribution1,239$6.6B
Production of electricity1,149$6.2B
Electric power generation, transmission and distribution807$6.2B
Trade of gas through mains757$6.2B
Electric power generation, transmission and distribution266$4.6B
Electric power generation, transmission and distribution817$4.3B
Electric power generation, transmission and distribution424$4.1B
Electric power generation, transmission and distribution370$4B
Electric power generation, transmission and distribution1,544$3.8B
Electric power generation, transmission and distribution622$3.5B
Electric power generation, transmission and distribution350$2.5B
Electric power generation, transmission and distribution295$2.4B
Electric power generation, transmission and distribution265$2.3B
Electric power generation, transmission and distribution626$2.3B
Electric power generation, transmission and distribution4$2.2B
Electric power generation, transmission and distribution2,724$2B
Trade of gas through mains658$2B

This is a sample. The full database holds 71,919 Italian energy companies, each with every attribute in the dictionary below.

Database overview

Energy companies in Italy — database overview

Distributions across all 71,919 energy companies in Italy — registry-sourced from Registro Imprese and refreshed daily.

Company size (by employee band)

  • 1–9
    89%
  • 10–49
    8%
  • 50–199
    2%
  • 200–999
    1%
  • 1,000+
    0%

Sub-sector breakdown (NACE)

  • Electric power generation, transmission and distribution90%
  • Trade of gas through mains4%
  • Steam and air conditioning supply2%
  • Manufacture of gas; distribution of gaseous fuels through mains2%
  • Manufacture of gas1%
  • Production of electricity1%
  • Extraction of crude petroleum0%

Regional distribution

  • Milano
    7%
  • Bolzano
    6%
  • Cuneo
    5%
  • Roma
    4%
  • Torino
    3%
  • Brescia
    3%
  • Other
    72%

Revenue (USD)

  • Less than $100K
    28%
  • $100K – $1M
    57%
  • $1M – $10M
    11%
  • $10M – $100M
    3%
  • $100M+
    1%
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These distributions are computed from the full Italian energy companies database, not the sample above.

Data coverage

What data is available on energy companies in Italy

Italy business database

Firmographics

Legal name, registered address, NACE sub-sector, legal form, founding year and website. Every record is keyed to its Codice Fiscale — the stable Registro Imprese identifier that survives name changes and rebrands, making it the most reliable CRM deduplication key for Italy data.

Points of interest

Each company is geocoded to GPS coordinates covering its registered seat and operating locations across Italy, with a precision level on every point — useful for territory planning and proximity targeting.

Tax IDs

Records carry the Codice Fiscale and, where applicable, the VAT registration number, with a flag for when the two coincide. These are the cleanest match keys for enriching lists and cross-referencing against the national tax authority and your CRM.

Group structure

InfobelPRO resolves the corporate hierarchy — parent, subsidiaries and the size of the worldwide corporate family — so sales and compliance teams can see who controls an entity before engaging or onboarding it.

Financials

Annual revenue in local currency, EUR and USD, employee headcount and founding year, with multi-year history where filed. Figures are sourced from Registro Imprese filings and carry an Actual-or-Modeled reliability flag.

Data dictionary

Every attribute in the Italian energy companies dataset

The full field catalogue behind each record. Contact data (email, phone, executives) is part of the licensed dataset but is never displayed on this page.

Identity

companyName
Registered legal name.
businessName
Trading / commercial name where it differs from the legal name.
tradeName
Additional registered trade name.
nationalID
Codice Fiscale — the official Registro Imprese company identifier.
nationalIDIsVat
Flag indicating whether the national ID doubles as the VAT number.

Location

addressStreet
Registered street address.
postCode
Postal code.
city
City / locality.
province
Region / province / county.
country
Country (ISO).
longitude / latitude
Geocoded coordinates of the location.
geoLevel
Precision level of the geocode.

Web

website
Primary corporate URL.
webDomain
Normalised root domain.
websiteStatusFlag
Live / dead / redirect status from the last crawl.
websiteCrawlDate
Date the website was last checked.

Activity

altInternationalCode01–06
Up to six NACE Rev. 2 activity codes plus labels.
internationalCode
US SIC code.
localCode
National activity code.
infobelCode
Proprietary Infobel activity code.

Size

employeesHere
Headcount at this location.
employeesTotal
Total headcount across the entity (with Actual / Modeled flag).

Financials

salesVolume
Annual revenue in local currency.
salesVolumeEuros
Annual revenue converted to EUR.
salesVolumeDollars
Annual revenue converted to USD — shown in the table.
currency
Reporting currency.
yearStarted
Year the company was founded.
financialHistory
Multi-year revenue history where filed.

Status & legal

statusCodeName
HQ, branch or single-location indicator.
legalStatusCodeDescription
Legal form (e.g. limited company / corporation).

Group structure

familyMembers
Number of entities in the worldwide corporate family.
subsidiaryIndicator
Whether the entity is a subsidiary.
parentLinkage
Link to the parent company.
domesticLinkage / globalLinkage
Domestic and global ownership links.
hierarchyCode
Position within the corporate hierarchy.

Source comparison

Registro Imprese vs InfobelPRO

Registro Imprese gives you legal registration data. InfobelPRO adds the commercial intelligence sales, marketing and compliance teams actually need.

AttributeRegistro ImpreseFree official registryInfobelPRO
Codice FiscaleYesYes — on 99.9% of records
Legal name & registered addressYesYes
Company status (HQ / branch)YesYes — daily sync
NACE sub-sector classificationYesYes — up to 6 codes
Annual revenue (local / EUR / USD)Filings onlyYes — multi-currency
Employee countNoYes
Decision-maker contactsNoYes — licensed
Geocoded coordinatesNoYes
Corporate group structureFilings onlyYes — full hierarchy
API accessNoYes — REST API
Bulk export (CSV / JSON / Parquet)NoYes
Update frequencyPeriodic (filings)Daily sync

FAQ

Frequently asked questions

By the revenue shown in the directory above, the largest energy companies in Italy include GESTORE DEI SERVIZI ENERGETICI - GSE SPA ($54.9B), GESTORE DEI MERCATI ENERGETICI SPA ($42.8B) and ENEL ENERGIA SPA ($24.5B). Sort the Revenue column or filter by sub-sector, size and region to explore the full ranking.
InfobelPRO lists 71,919 energy companies registered in Italy, classified under NACE 35 and 06, sourced from Registro Imprese. The directory covers all registered entities in scope, not a sampled subset.
Milano holds the largest share with 7% of Italy's energy companies, followed by Bolzano (6%) and Cuneo (5%). The region chart above shows the full distribution.
Energy companies in Italy are classified under NACE 35 and 06 — 7 sub-sector codes appear in this segment. Each record can carry up to six NACE Rev. 2 activity codes, plus a US SIC code and the national activity code.
Core firmographics come directly from Registro Imprese and are refreshed daily — new incorporations, address changes and status updates flow through within 24 hours of publication. Revenue and employee figures track annual report filings and carry an Actual-or-Modeled reliability flag.
Yes. InfobelPRO combines registry-sourced firmographics with licensed contact data, processed under GDPR Article 6(1)(f) — legitimate interest and Garante guidance. Individual opt-outs are honoured and compliance documentation is available on request.

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API access, bulk export or CRM enrichment — 71,919 records with up to up to 500 attributes each.

Related directories

See all company directories in Italy, explore the full Italy business database In the US classification, related SIC codes include SIC 4911Electric Services, SIC 4923Natural Gas Transmission and Distribution and SIC 2097Manufactured Ice., or see how Italy fits into the wider Europe business database.