Company lists · Data refreshed September 2026
Top 25 High voltage contractors based in Mexico
RevenueBase identified 194 high voltage contractors headquartered in Mexico as of September 2026 and tracks 1,800 professional contacts across them, including 139 with verified work emails. Guadalajara is the largest hub.
This list covers high voltage contractors 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 16, 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 25 largest high voltage contractors based in Mexico
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 92 contacts → | ||||
Indirect evidence “Somos una empresa dedicada a ayudar a la industria a recibir una energía eléctrica de calidad, confiable y eficiente, desde su ingeniería, hasta el soporte durante su operación.La…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 47 contacts → | ||||
Indirect evidence “Brindamos soluciones integrales para todo tipo de sistemas y aplicaciones de energía eléctrica de alta y media tensión” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 38 contacts → | ||||
Indirect evidence “Diseño e instalaciones eléctricas de baja, mediana y alta tensión.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 36 contacts → | ||||
Indirect evidence “SIMA Energía es un grupo de expertos en electrificación comercial e industrial, con oficinas centrales en la ciudad de México y operaciones en todo el territorio nacional.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 29 contacts → | ||||
Indirect evidence “Grupo Pregza desarrolla soluciones eléctricas industriales de alto desempeño para empresas que requieren infraestructura energética confiable, escalable y preparada para el futuro.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 29 contacts → | ||||
Strong evidence “Electrical construction company specialized in high, medium and low voltage, procedures in the face of CFE and Uvies.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 25 contacts → | ||||
Strong evidence “Altos Ingeniería Eléctrica is an electrical contractor for low, middle and high voltage systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 25 contacts → | ||||
Indirect evidence “Servicios profesionales de ingeniería, instalaciones, servicio, consultoría, mantenimiento y capacitación en sistemas eléctricos industriales.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Indirect evidence “Somos una empresa dedicada a la realización de proyectos electromecánicos de alta calidad, especializados en el sector público y privado, dentro de las áredas de negocio como…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 22 contacts → | ||||
Indirect evidence “Somos la empresa líder en el servicio y comercialización de material eléctrico en media tensión, a través de la preferencia de nuestros clientes y proveedores, buscando en todo…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 20 contacts → | ||||
Indirect evidence “Somos una empresa líder en el sector de servicios eléctricos, con más de 12 años en la industria.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Indirect evidence “Somos una constructora eléctrica con más de 30 años de experiencia, ofreciendo soluciones en media y alta tensión, anteponiendo la calidad, seguridad y eficiencia en cada proyecto.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 18 contacts → | ||||
Indirect evidence “Somos una empresa especializada en soluciones llave en mano para el desarrollo de infraestructura eléctrica, acompañando a nuestros clientes desde la ingeniería y gestión…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Indirect evidence “ELECTRICIDAD INDUSTRIAL DE POTENCIA S.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Indirect evidence “Somos una empresa dedicada a resolver fallas de la energía eléctrica y mejorar las condiciones físicas de las instalaciones eléctricas en hospitales, así también desarrollo de…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Somos una empresa con más de 40 años de experiencia, especializada en la gestión, diseño y construcción de infraestructura eléctrica en alta tensión, particularmente en…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Indirect evidence “Es la constructora eléctrica que le da soluciones precisas desde la elaboración de proyectos, hasta la ejecución de obra, con un enfoque específico en solucionar los problemas…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Indirect evidence “Grupo Tres R Termotécnica S.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Indirect evidence “Mantenimiento Industrial, Instrumentación y Control Automático es una compañía que opera en el ramo de servicios y suministros de la •Obra Eléctrica (Baja y Media…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “Somos la solución en media y alta tensión con servicios y productos distinguidos por la calidad, rapidez y eficacia.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “CISA energia es un contratista general que provee servicios de Promoción, Diseño, Construcción, Operación y Mantenimiento para Proyectos de Generación de Energía en todo México.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Ingeniería, construcción y mantenimiento de sistemas eléctricos, proporcionando un servicio confiable de alta calidad a un precio razonable, lográndolo a través de un equipo de…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Indirect evidence “Empresa constructora de proyectos en materia de energía eléctrica a nivel industrial, residencial y gubernamental.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “Soluciones completas en ingeniería, construcción, mantenimiento, reparación y suministro de productos para la industria eléctrica.” Source: RevenueBase Database · checked Sep 16, 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: high voltage contractors. 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 high voltage contractors.
- Partial evidence
- Its own public description names part of high voltage contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name high voltage contractors. 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 25 of 194 high voltage contractors based in Mexico
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High voltage contractors based in Mexico at a glance
As of Sep 16, 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 194 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 high voltage contractors, 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 “high voltage contractors”. 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 high voltage contractors), 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 high voltage contractors, 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, 139 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 16, 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 high voltage contractors, 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 high voltage contractors are there based in Mexico?
RevenueBase identified 194 high voltage contractors 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?
Hubbell México, headquartered in Toluca, tops this list with the largest team on record.
Which city has the most high voltage contractors?
Guadalajara leads with 10 headquartered companies, followed by Zapopan (9) and Hermosillo (8).
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 139 verified decision-maker contacts tracked across these 194 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 194 high voltage contractors based in Mexico. Start with a free account, no credit card.
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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 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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