Company lists · Data refreshed November 2026

Top 25 Oil filled transformers manufacturers based in Italy

Name: Oil filled transformers manufacturers based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 4, 2026 170 companies tracked

RevenueBase identified 170 company matches for oil filled transformers manufacturers associated with Italy as of November 2026 and tracks 2,215 professional contacts across them, including 743 with verified work emails. Milan is the largest hub.

This list covers company matches for oil filled transformers manufacturers 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 November 4, 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 Nov 4, 2026 How this list was built

170Companies

2,215Contacts tracked

743Verified emails

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The 25 largest oil filled transformers manufacturers based in Italy

Ranked by team size

Top 25 of 170 company matches for oil filled transformers manufacturers based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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	Tamini Terna Energy Solutions	Exact match	Legnano, ItalyHQ recorded Nov 4, 2026	201-500	224 contacts →
	Exact match “Tamini is an Italian company, world leader for the design and production of industrial, power and special transformers.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2	TMC Transformers	Exact match	Busto Arsizio, ItalyHQ recorded Nov 4, 2026	201-500	217 contacts →
	Exact match “At TMC Transformers SpA, we blend tradition with innovation to produce highly engineered Dry Type Transformers in Cast Resin or VPI technology.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3	SEMAR	Exact match	Castelfidardo, ItalyHQ recorded Nov 4, 2026	501-1,000	179 contacts →
	Exact match “Semar Srl, with more than 600 employees, is a leading manufacturer of electronic and electromechanical products.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4	COL Group	Exact match	Trofarello, ItalyHQ recorded Nov 4, 2026	201-500	95 contacts →
	Exact match “COL GROUP is an industrial group with over a century of experience, specialized in developing technological solutions for the transmission and distribution of electrical energy.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5	Getra Group	Exact match	Marcianise, ItalyHQ recorded Nov 4, 2026	201-500	85 contacts →
	Exact match “Founded in 1949, the Getra Group is one of Italy's leading manufacturers of electrical transformers.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6	Cedaspe S.R.L	Exact match	San Giuliano Milanese, ItalyHQ recorded Nov 4, 2026	51-200	72 contacts →
	Exact match “Cedaspe is a leading manufacturer of bushings and accessories for distribution and power transformers, with more than 50 years of experience in the electromechanical sector.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7	Elettromeccanica Tironi	Exact match	Modena, ItalyHQ recorded Nov 4, 2026	51-200	67 contacts →
	Exact match “Born, and still managed with passion and foresight by Tironi family, ELETTROMECCANICA TIRONI is among the first European manufacturers of Power and Distribution Transformers…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8	Trench Italia S.R.L	Exact match	Cairo Montenotte, ItalyHQ recorded Nov 4, 2026	51-200	59 contacts →
	Exact match “Trench Italia S.r.l is an electrical/electronic manufacturing company based out of 37 Strada Curagnata, Cairo Montenotte, Liguria, Italy.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9	Specialtrasfo S.P.A	Exact match	Agrate Brianza, ItalyHQ recorded Nov 4, 2026	51-200	52 contacts →
	Exact match “Specialtrasfo engineers and manufactures custom designed oil immersed special transformers for industrial and power applications.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10	Trafo Elettro SRL	Exact match	Montecchio Maggiore, ItalyHQ recorded Nov 4, 2026	11-50	28 contacts →
	Exact match “Company born in 1969 in a small lab, now is one of the leader company on the market.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11	Celme Transformers	Exact match	Montebello Vicentino, ItalyHQ recorded Nov 4, 2026	11-50	25 contacts →
	Exact match “CELME is a reputable designer and manufacturer of oil transformers since 1964 located in the north-east of Italy, 80 km from Venice.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12	Eleco S.C	Exact match	Fiorano Modenese, ItalyHQ recorded Nov 4, 2026	51-200	24 contacts →
	Exact match “Eleco S.C, fondata nel 1979, progetta e realizza soluzioni elettriche su misura: quadri di media e bassa tensione, cabine di trasformazione e cabine in container per applicazioni…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13	Power Europe SRL	Exact match	Meledo Di Sarego, ItalyHQ recorded Nov 4, 2026	51-200	23 contacts →
	Exact match “The company lies on a total surface of square meters, 7500 square meters of prodcution area, and square meters are assigned to technical and executive offices.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14	Trasf ECO	Exact match	Zelo Buon Persico, ItalyHQ recorded Nov 4, 2026	51-200	19 contacts →
	Exact match “La TRASF ECO nasce pensando al trasformatore ecologico, divenuto oggi il nostro punto di forza nell’energia rinnovabile pulita e punto di riferimento nel settore.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15	Guerzoni Insulation Materials	Exact match	Vailate, ItalyHQ recorded Nov 4, 2026	11-50	19 contacts →
	Exact match “Guerzoni srl has been producing and marketing electrical insulators for transformers, electric motors and generators for over 30 years.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16	Newton Trasformatori S.P.A	Exact match	Poggibonsi, ItalyHQ recorded Nov 4, 2026	51-200	19 contacts →
	Exact match “Costruzione, vendita, esportazione di trasformatori da distribuire di media e bassa tensione nonche di apparecchiature elettriche ed elettroniche per l industria, il commercio e l…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17	A. Salvi & C. S.P.A	Exact match	Milan, ItalyHQ recorded Nov 4, 2026	51-200	13 contacts →
	Exact match “La produzione e commercio, importazione ed esportazione, progetti, consulenza, acquisizione e vendita di brevetti, di equipaggiamenti e morsetteria per linee di trasporto e…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18	Triscari SPA	Exact match	Paternò, ItalyHQ recorded Nov 4, 2026	51-200	13 contacts →
	Exact match “Servizi offerti dalla nostra società: Costruzione di linee elettriche aeree MT e BT; Costruzione di linee elettriche interrate AT, MT e BT; Ricerca guasti su cavi AT/MT/BT…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19	Bstransfo SRL	Exact match	Ospitaletto, ItalyHQ recorded Nov 4, 2026	1-10	12 contacts →
	Exact match “BSTransfo is a recently founded company operating in the energy sector, with a specific focus on large transformers.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20	REM SRL	Exact match	Monselice, ItalyHQ recorded Nov 4, 2026	11-50	12 contacts →
	Exact match “REM S.r.l.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21	2m SRL	Exact match	Thiene, ItalyHQ recorded Nov 4, 2026	51-200	12 contacts →
	Exact match “2M Company specializes, since 1990, in the complete construction of metal tanks for electrical power transformers from 5 MVA to MVA, up to 60 tons.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22	Delta Technology SRL	Exact match	Catania, ItalyHQ recorded Nov 4, 2026	11-50	12 contacts →
	Exact match “Delta Technology is a leading company in the electro-mechanical field designing, manufacturing and supplying: • Prefabricated reinforced concrete boxes for electrical substations…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23	Botter Elettrotecnica SRL	Exact match	Silea, ItalyHQ recorded Nov 4, 2026	11-50	11 contacts →
	Exact match “Botter Elettrotecnica is a leading manufacturer of low voltage transformers and electrical static machines.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24	CME Mallano	Exact match	Pignola, ItalyHQ recorded Nov 4, 2026	11-50	9 contacts →
	Exact match “CME Mallano is your go-to partner for the safe and smart management of industrial electrical systems: from engineering and design to maintenance, testing and support.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25	Siate SRL	Exact match	Trezzo Sull'adda, ItalyHQ recorded Nov 4, 2026	11-50	9 contacts →
	Exact match “S.I.A.T.E.” Recorded in the RevenueBase company graph · Nov 4, 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 “oil filled transformers manufacturers”. 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 170 oil filled transformers manufacturers based in Italy

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Oil filled transformers manufacturers based in Italy at a glance

As of Nov 4, 2026

33.5%Verified-email coverage

13.0Average contacts per company

11-50Median size (employees)

2.4%Largest-city concentration · Milan

Nov 4, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 170 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 “oil filled transformers manufacturers” 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 743 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 November 4, 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 “oil filled transformers manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil filled transformers manufacturers are there based in Italy?

RevenueBase identified 170 company matches for oil filled transformers manufacturers associated with Italy as of November 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?

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

Which city has the most oil filled transformers manufacturers?

Milan leads with 4 company records, followed by Venice (4) and Brescia (3).

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 743 professional contacts with verified work emails tracked across these 170 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 November 4, 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.