Italy— IT

Company data in Italy, by industry

Browse Italy company directories across 56 industries — 6,966,528 businesses in the InfobelPRO database, registry-sourced from Registro Imprese and enriched with firmographics, location, financials and group structure.

6,966,528

Registered companies

ENI SPA

Largest company

Restaurants and mobile food service activities

Largest sector

3th

in Europe by count

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Rankings

Largest companies in Italy

By revenue, one row per corporate group — reported (actual) revenue, updated September 2026.

#	Company (group)	Industry	HQ	Revenue (USD)
1	ENI SPA	Manufacture of refined petroleum products	Roma	$95.2B
2	ENEL SPA	Electric power generation, transmission and distribution	Roma	$78.2B
3	GESTORE DEI SERVIZI ENERGETICI - GSE SPA	Electric power generation, transmission and distribution	Roma	$54.9B
4	POSTE ITALIANE SPA	Life insurance	Roma	$23.2B
5	PRYSMIAN SPA	Manufacture of wiring devices	Milano	$22.8B
6	STELLANTIS EUROPE SPA	Manufacture of motor vehicles	Torino	$22.2B
7	ASSICURAZIONI GENERALI SPA	Non-life insurance	Mogliano Veneto	$21.8B
8	TRANSALPINA DI ENERGIA SPA	Combined office administrative service activities	Milano	$20.6B
9	INTESA SANPAOLO SPA	Other monetary intermediation	Milano	$19.6B
10	LEONARDO SPA	Manufacture of air and spacecraft and related machinery	Roma	$18.8B
11	SAIPEM SPA	Support activities for petroleum and natural gas extraction	Milano	$18B
12	UNICREDIT SPA	Other monetary intermediation	Milano	$17.5B
13	KUWAIT PETROLEUM ITALIA SPA	Manufacture of refined petroleum products	Roma	$16B
14	A2A SPA	Electric power generation, transmission and distribution	Milano	$15.9B
15	TELECOM ITALIA SPA O TIM SPA	Wired telecommunications activities	Milano	$15.9B

Top 15 of 25 · FERROVIE DELLO STATO ITALIANE SPA, UNIPOL ASSICURAZIONI SPA, HERA SPA, WEBUILD SPA, NIKE RETAIL BV, API HOLDING SPA, PARMALAT SPA, EDIZIONE SPA, SARAS SPA, EURONEXT ITALY MERGER 2 SRL follow. Methodology →

ENI SPA leads by reported revenue at $95.2B, the largest of 25 ranked corporate groups.

Coverage

Companies by industry

The B2B industries we cover, ranked by number of companies. Each links to the full directory.

Retail companies

1,228,528

Construction companies

1,098,937

Agriculture & agribusiness

725,705

Manufacturing companies

657,765

Distribution & wholesale

653,329

+ 51 more industries below ↓

Retail companies is the most populated sector we cover, with 1,228,528 companies — 18% of Italy's 6,966,528 registered.

Distribution

Company size & revenue

By number of employees

1–4

5,557,827

5–9

457,424

10–19

211,490

20–49

107,265

50–99

30,885

100–199

13,809

200–499

7,384

500–999

2,928

1000+

1,493

The 1–4 band is shown with a broken bar — it is ~12× the next band; the smaller bands are scaled against each other so they stay readable. 612,804 companies have no disclosed headcount (excluded).

Around 87% of companies with disclosed headcount employ fewer than five people, so the market skews heavily toward micro-enterprises.

By revenue (local currency)

1–100K

2,413,871

100K-499K

2,405,822

500K-999K

284,441

1M-4.99M

265,927

5M-9.99M

41,583

10M-49.99M

35,523

50M-99.99M

5,862

100M-499.99M

5,024

500M-999.99M

620

1B+

622

1,544,014 companies have no disclosed revenue (excluded from the chart).

The most common disclosed-revenue band is 1–100K, covering 44% of companies with reported revenue.

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6,966,528 companies with firmographics, financials and corporate group structure — filtered by industry, size, region and revenue.

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Geography

Where Italian companies are based

Distribution by region.

Roma

506,945

Milano

448,696

Napoli

317,553

Torino

270,298

Brescia

149,024

Roma holds the largest regional share, with 20% of companies that have a disclosed region.

Group linkage

Corporate structure in Italy

How much of the market is part of a corporate group vs independent.

51%

Part of a corporate group

49%

Independent

51% of companies belong to a corporate group; the remaining 49% operate independently.

Corporate groups

Largest corporate groups in Italy

Italian-headquartered groups ranked by total group entities worldwide — a measure of corporate reach.

#	Group	Group entities (worldwide)
1	ENEL SPA	4,165
2	UNICREDIT SPA	3,684
3	INTESA SANPAOLO SPA	3,441
4	AMPLIFIN SRL	3,058
5	ICCREA BANCA SPA ISTITUTO CENTRALE DEL CREDITO COOPERATIVO	2,909
6	BPER BANCA SPA	2,273
7	ENI SPA	2,249
8	ASSICURAZIONI GENERALI SPA	1,874
9	BANCA MONTE DEI PASCHI DI SIENA SPA	1,703
10	POSTE ITALIANE SPA	1,649

Group entities = total members of the corporate family worldwide, for groups whose ultimate parent is in Italy.

ENEL SPA is the largest corporate group headquartered in Italy, with 4,165 entities worldwide.

Foreign ownership

Foreign-owned vs domestic

Among Italy's larger companies, the share ultimately controlled from abroad — and the leading countries of ownership.

36%

Foreign-owned

64%

Italian-owned

Leading countries of ownership

United States of America

16.7%

France

16.7%

Luxemburg

10.9%

Netherlands

10.4%

Germany

10.2%

Shares calculated on the largest companies by revenue with ownership data available, not an absolute national figure.

United States of America is the leading country of foreign ownership, at 16.7%.

FAQ

Italy company data — frequently asked questions

There are 6,966,528 registered companies in Italy across all sectors, from sole traders to large enterprises.

By reported revenue, ENI SPA is the largest company in Italy, followed by ENEL SPA and GESTORE DEI SERVIZI ENERGETICI - GSE SPA.

Restaurants and mobile food service activities, Construction of residential and non-residential buildings, Other specialised construction activities n.e.c. have the most registered companies.

You can request a free sample or access the full Italy database, filtered by industry, size, region and revenue, via InfobelPRO.

Sourced from the Infobel DaaS database. The largest-companies ranking is consolidated at corporate-group level (one row per group) and shows reported (actual) revenue in USD; modeled figures are excluded. Distributions cover all registered companies. Industry directories use a NACE-based B2B taxonomy. Last updated September 2026.

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