Company lists · Data refreshed September 2026
Top 20 Electrical transformer companies based in Mexico
RevenueBase identified 116 electrical transformer companies headquartered in Mexico as of September 2026 and tracks 3,885 professional contacts across them, including 568 with verified work emails. Monterrey is the largest hub.
This list covers electrical transformer companies headquartered in Mexico, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 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 20 largest electrical transformer companies based in Mexico
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,322 contacts → | ||||
Indirect evidence “Prolec has more than fifty years of experience in the creation of comprehensive solutions to meet the needs of power generation, transmission, and distribution.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 268 contacts → | ||||
Partial evidence “En VOLTRAN, nuestros equipos de Ingenieros y Técnicos, trabajan bajo los estándares más estrictos de calidad para diseñar, fabricar, reparar y poner en operación transformadores…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 188 contacts → | ||||
Indirect evidence “VTC WEST SA DE CV is a machinery company based out of Chihuahua, Mexico.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 129 contacts → | ||||
Indirect evidence “Más de 138 años de calidad e innovación han sido los factores clave para el éxito y la permanencia de la empresa a lo largo del tiempo.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Indirect evidence “Empresa dedicada a la manufactura de núcleos componentes, kits de aislantes para trasformadores, motores, tableros eléctricos y distribución de materiales y equipos para la…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 50 contacts → | ||||
Partial evidence “Empresa 100% mexicana fabricante de transformadores de distribución y potencia fundada en el año Somos una empresa joven conformada por un excelente grupo de profesionales tanto…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 48 contacts → | ||||
Partial evidence “Somos una empresa de Ingeniería y Manufactura, con más de 80 años en el mercado nacional e internacional; que ofrece soluciones confiables, transformando la energía insuperable.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 39 contacts → | ||||
Strong evidence “Delta Electric es una empresa especializada en la fabricación de transformadores de distribución y potencia de diversos tipos y capacidades así como de equipos de Distribución…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Partial evidence “Founded in 1992, with hands-on experience of more than 30 years in the marketing & manufacturing of medium and high voltage electrical equipment’s, Jacob and Jacob S.A DE C.V…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “Somos líderes nacionales, en la fabricación de Herrajes Eléctricos y Estructuras Aplicadas a diferentes Industrias.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Partial evidence “Hammond Power Solutions is a North American leader for the design and manufacture of dry-type standard and custom electrical engineered magnetics, liquid filled and cast resin…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “Corporativo PROA es un grupo empresarial industrial que integra capacidades de manufactura, ingeniería, comercialización y servicios especializados para la industria eléctrica y…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Partial evidence “En E.R Generación y Pruebas de Resistencia, nuestro principal objetivo es ofrecer soluciones inmediatas y eficientes en generación, transformación y resistencia de energía, con la…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 9 contacts → | ||||
Indirect evidence “Partalum es una empresa que tiene el compromiso de proporcionar conectores y herrajes eléctricos que satisfagan las necesidades de nuestros clientes.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “Somos una empresa con 22 años de experiencia dentro de la Industria.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Indirect evidence “Rodisa tiene como actividad principal la distribución de Equipo y Material Eléctrico, la Integración y Fabricación de Tableros y Subestaciones, y las Instalaciones Eléctricas.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence “Soluciones completas en ingeniería, construcción, mantenimiento, reparación y suministro de productos para la industria eléctrica.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Partial evidence “TOP Care is a team of professionals specialized in consulting services and preventive maintenance for transformers and substations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Partial evidence “Transformadores Eléctricos tipo poste, estación, pedestal y secos.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “AJJ INGENIERIA, es una empresa especializada en distribuir equipos industriales para control de motores eléctricos, gestión y distribución de energía en baja y media tensión.” Source: RevenueBase Database · checked Sep 19, 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: electrical transformer 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 electrical transformer companies.
- Partial evidence
- Its own public description names part of electrical transformer companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name electrical transformer 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 20 of 116 electrical transformer companies based in Mexico
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Electrical transformer companies based in Mexico at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Mexico, so it is reported there. Company counts and contact totals on this page are exact for Mexico, over 116 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 electrical transformer 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 Mexico whose own description of what they do matches “electrical transformer 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 electrical transformer 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 electrical transformer companies, and records with no verified work email. Companies headquartered outside Mexico 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, 568 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 September 19, 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.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its 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 the category the list is about. Each row is rated strong evidence when the company's own description names electrical transformer companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many electrical transformer companies are there based in Mexico?
RevenueBase identified 116 electrical transformer companies headquartered in Mexico as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Prolec Energy, headquartered in Apodaca, tops this list with the largest team on record.
Which city has the most electrical transformer companies?
Monterrey leads with 10 headquartered companies, followed by Apodaca (6) and Guadalajara (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 568 verified decision-maker contacts tracked across these 116 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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Download this list →Related lists
Electrical transformer companies by geography
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- Electrical transformer companies based in France
- Electrical transformer companies based in Germany
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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