Company lists · Data refreshed October 2026

Top 20 Electrical substation maintenance contractors based in Mexico

Name: Electrical substation maintenance contractors based in Mexico
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 155 companies tracked

RevenueBase identified 155 company matches for electrical substation maintenance contractors associated with Mexico as of October 2026 and tracks 1,638 professional contacts across them, including 112 with verified work emails. Monterrey is the largest hub.

This list covers company matches for electrical substation maintenance contractors associated with Mexico, 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 October 12, 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 Oct 12, 2026 How this list was built

155Companies

1,638Contacts tracked

112Verified emails

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The 20 largest electrical substation maintenance contractors based in Mexico

Ranked by team size

Top 20 of 155 company matches for electrical substation maintenance contractors based in Mexico, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Aselec Electricidad	Exact match	San Benito, MexicoHQ recorded Oct 12, 2026	201-500	155 contacts →
	Exact match “Somos una empresa especializada en la creación, diseño, equipamiento y construcción de Subestaciones, Líneas de Transmisión y Distribución de Energía Eléctrica, con estándares…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Kotkoff	Exact match	Ensenada, MexicoHQ recorded Oct 12, 2026	51-200	97 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Fertig	Exact match	Monterrey, MexicoHQ recorded Oct 12, 2026	201-500	66 contacts →
	Exact match “FERTIG S.A.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Softelectrics Ingeniería, S.A. DE C.V	Exact match	Toluca, MexicoHQ recorded Oct 12, 2026	11-50	31 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Denken Ingeniería	Exact match	Monterrey, MexicoHQ recorded Oct 12, 2026	51-200	31 contacts →
	Exact match “Somos más que una empresa; somos una fuerza de cambio en el noreste de México.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	E-Keme	Exact match	San Luis Potosí, MexicoHQ recorded Oct 12, 2026	11-50	29 contacts →
	Exact match “La empatía constante con la energía es la razón de ser de e-keme; el conocimiento profundo de la energía y sus potenciales para aplicarlo en el control y administración de la…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	NEZCO	Exact match	Tijuana, MexicoHQ recorded Oct 12, 2026	51-200	19 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Caballero Solutions Power S.A. DE C.V	Exact match	Queretaro, MexicoHQ recorded Oct 12, 2026	51-200	15 contacts →
	Exact match “Empresa 100% mexicana, brindamos soluciones electricas integrales en baja, media y alta tensión.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Mantenimiento Industrial, Instrumentacion Y Control Automatico SA DE CV	Exact match	Salamanca, MexicoHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Reconstructora Alpha S.A. DE C.V	Exact match	Chihuahua, MexicoHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “Reconstructora Alpha S.A.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Servicios Especializados EN Mantenimiento Y Calidad DE LA Energía, S.A. DE C.V., Semce	Exact match	Metepec, MexicoHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “Fundada en 1994, como SEMCE México, S.A.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Tecnoworld Corp S.A. DE C.V	Exact match	Tlalnepantla, MexicoHQ recorded Oct 12, 2026	1-10	8 contacts →
	Exact match “Tecnoworld Corp.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Hidroelectrik	Exact match	Monterrey, MexicoHQ recorded Oct 12, 2026	11-50	7 contacts →
	Exact match “Expertos en diseño de ingeniería e infraestructura eléctrica, realizamos:Red de distribución de energía eléctrica Redes de alumbrado público *Subestaciones eléctricas de media y…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	AF Electric	Exact match	Centro De Guadalupe, MexicoHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Electrohm Servicios SA DE CV	Exact match	Miguel Hidalgo, MexicoHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Brindamos servicios especializados que aseguren la continuidad de la energía eléctrica de sus equipos a través del mantenimiento predictivo, preventivo y correctivo.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Proyectos Y Construccion EN Media Y Alta Tension	Exact match	Monterrey, MexicoHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “PYCMAT es una empresa especializada en implementar código de red y construcción de subestaciones eléctricas de baja, media y alta tensión, utilizando la mejor tecnología del…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	SC Marama	Exact match	Estado De Mexico, MexicoHQ recorded Oct 12, 2026	11-50	3 contacts →
	Exact match “SC Marama es una empresa que se dedica a la venta e instalación de equipo eléctrico en baja, media y alta tensión así como del mantenimiento de equipos eléctricos industriales…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	TOP Care Transformers	Exact match	León, MexicoHQ recorded Oct 12, 2026	11-50	2 contacts →
	Exact match “TOP Care is a team of professionals specialized in consulting services and preventive maintenance for transformers and substations.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Corelmace	Exact match	Naucalpan, MexicoHQ recorded Oct 12, 2026	1-10	2 contacts →
	Exact match “Desarrollo de ingeniería y construcción de subestaciones eléctricas de 115kv, 230kv y 400kv.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Descomex	Exact match	Mexico City, MexicoHQ recorded Oct 12, 2026	11-50	1 contacts →
	Exact match “Desco Mex is a Power Systems Maintenance Service Company located in Coyoacán, Mexico City,” Recorded in the RevenueBase company graph · Oct 12, 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 “electrical substation maintenance contractors”. 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 20 of 155 electrical substation maintenance contractors based in Mexico

See the full list, filter by size, metro and specialty, and access 112 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical substation maintenance contractors based in Mexico at a glance

As of Oct 12, 2026

6.8%Verified-email coverage

10.6Average contacts per company

11-50Median size (employees)

9.0%Largest-city concentration · Monterrey

Oct 12, 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 Mexico, so it is reported there. Company counts and contact totals on this page are exact for Mexico, over 155 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 Mexico whose business descriptions match “electrical substation maintenance contractors” 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 112 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 October 12, 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 “electrical substation maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical substation maintenance contractors are there based in Mexico?

RevenueBase identified 155 company matches for electrical substation maintenance contractors associated with Mexico as of October 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?

Aselec Electricidad tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most electrical substation maintenance contractors?

Monterrey leads with 14 company records, followed by Queretaro (9) and Mexico City (5).

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 112 professional contacts with verified work emails tracked across these 155 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 October 12, 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.