Company lists · Data refreshed September 2026

Top 25 Electrical transmission contractors based in Colombia

Name: Electrical transmission contractors based in Colombia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 210 companies tracked

RevenueBase identified 210 electrical transmission contractors headquartered in Colombia as of September 2026 and tracks 5,309 professional contacts across them, including 334 with verified work emails. Bogota is the largest hub.

This list covers electrical transmission contractors headquartered in Colombia, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

210Companies

5,309Contacts tracked

334Verified emails

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The 25 largest electrical transmission contractors based in Colombia

Ranked by team size

Top 25 of 210 electrical transmission contractors based in Colombia, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to electrical transmission contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Inmel Ingeniería	Indirect evidence	Medellín, ColombiaHQ checked Sep 16, 2026	5,001-10,000	1,020 contacts →
	Indirect evidence “Somos una compañía colombiana líder en soluciones integrales de Ingeniería eléctrica y telecomunicaciones, con 45 años de experiencia en el sector.” Source: RevenueBase Database · checked Sep 16, 2026
2	Ises Ingeniería Y Soluciones Especializadas	Indirect evidence	Barranquilla, ColombiaHQ checked Sep 16, 2026	501-1,000	460 contacts →
	Indirect evidence “ISES S.A.S.” Source: RevenueBase Database · checked Sep 16, 2026
3	Schrader Camargo	Indirect evidence	Sopó, ColombiaHQ checked Sep 16, 2026	1,001-5,000	375 contacts →
	Indirect evidence “El negocio integra la operación de diversas empresas especializadas en brindar servicios de ingeniería de diseño; construcción y montaje de naves industriales; fabricación…” Source: RevenueBase Database · checked Sep 16, 2026
4	Edemsa	Indirect evidence	Manizales - Caldas, ColombiaHQ checked Sep 16, 2026	1,001-5,000	223 contacts →
	Indirect evidence “Eléctricas De Medellín Ingeniería Y Servicios - Edemsa is a construction company based out of Manizales - Caldas, Colombia.” Source: RevenueBase Database · checked Sep 16, 2026
5	Transelca S.A. E.S.P	Indirect evidence	Barranquilla, ColombiaHQ checked Sep 16, 2026	201-500	218 contacts →
	Indirect evidence “TRANSELCA como parte del grupo empresarial ISA es una empresa de servicios públicos mixta, constituida como sociedad anónima, que presta servicios de transporte de energía…” Source: RevenueBase Database · checked Sep 16, 2026
6	GTA Colombia	Indirect evidence	Envigado, ColombiaHQ checked Sep 16, 2026	51-200	169 contacts →
	Indirect evidence “G.T.A Colombia S.A.S es una empresa dedicada a la construcción, montaje, reparación, mantenimiento de obras de ingeniería eléctrica y civiles” Source: RevenueBase Database · checked Sep 16, 2026
7	Montajes DE Ingeniería DE Colombia Micol S.A	Indirect evidence	Cali - Valle Del Cauca, ColombiaHQ checked Sep 16, 2026	501-1,000	130 contacts →
	Indirect evidence “Actualmente, MICOL S.A, se ha convertido en una empresa con capacidad para ejecutar diferentes proyectos de electrificación de media y baja tensión, proyectos de consultoría y…” Source: RevenueBase Database · checked Sep 16, 2026
8	ACJ High Voltage SAS	Indirect evidence	Tenjo - Cundinamarca, ColombiaHQ checked Sep 16, 2026	51-200	89 contacts →
	Indirect evidence “Contamos con infraestructura, equipos y personal especializado en cada línea de servicio, hacemos extensiva la garantía del fabricante a través de nuestro personal certificado por…” Source: RevenueBase Database · checked Sep 16, 2026
9	Cayena Associates SAS	Strong evidence	Barranquilla, ColombiaHQ checked Sep 16, 2026	51-200	65 contacts →
	Strong evidence “Cayena Associates performs Substation, Transmission and Distribution Line design for Electric Utilities.” Source: RevenueBase Database · checked Sep 16, 2026
10	Instelec S.A.S.	Indirect evidence	Medellín, ColombiaHQ checked Sep 16, 2026	501-1,000	61 contacts →
	Indirect evidence “INSTELEC S.A.S, fue fundada en Medellín-Colombia, el 1 de Marzo de 1972.” Source: RevenueBase Database · checked Sep 16, 2026
11	Discon SAS	Indirect evidence	Bucaramanga, ColombiaHQ checked Sep 16, 2026	501-1,000	60 contacts →
	Indirect evidence “Obras eléctricas: Facilidades Eléctricas en pozos petroleros.” Source: RevenueBase Database · checked Sep 16, 2026
12	Dielco SAS	Indirect evidence	Bogotá, ColombiaHQ checked Sep 16, 2026	51-200	52 contacts →
	Indirect evidence “DIELCO S.A.S ofrece soluciones de energía eléctrica con capacidad técnica y operativa dentro de los estándares normativos, en sistemas de protección y gestión de la energía…” Source: RevenueBase Database · checked Sep 16, 2026
13	JIC Ingenieria	Indirect evidence	Bogota, ColombiaHQ checked Sep 16, 2026	51-200	46 contacts →
	Indirect evidence “Somos una empresa especializada en consultoría, diseño, construcción y mantenimiento en el campo de la ingeniería eléctrica, con más de 25 años de trayectoría en el sector.” Source: RevenueBase Database · checked Sep 16, 2026
14	Elite Ingenieros	Indirect evidence	Sabaneta, ColombiaHQ checked Sep 16, 2026	201-500	44 contacts →
	Indirect evidence “Nos dedicamos al diseño, mantenimiento y construcción de redes eléctricas y de telecomunicaciones, energías renovables y obras civiles.” Source: RevenueBase Database · checked Sep 16, 2026
15	Simac S.A.S	Indirect evidence	Medellín, ColombiaHQ checked Sep 16, 2026	11-50	33 contacts →
	Indirect evidence “Fundada en 1995 por un grupo de ingenieros con amplia experiencia en el campo de la Ingeniería Eléctrica y especialmente en el área de la Automatización, esto con el objetivo de…” Source: RevenueBase Database · checked Sep 16, 2026
16	Lyansa Eléctrica Ltda	Indirect evidence	Villavicencio, ColombiaHQ checked Sep 16, 2026	51-200	31 contacts →
	Indirect evidence “Empresa dedicada a la ejecución de proyectos en ingeniería eléctrica.” Source: RevenueBase Database · checked Sep 16, 2026
17	Trafoil SAS	Indirect evidence	Barranquilla, ColombiaHQ checked Sep 16, 2026	51-200	27 contacts →
	Indirect evidence “Empresa dedicada al mantenimiento de transformadores, subestaciones de potencia, interruptores, con experiencia en tratamiento y regeneración al aceite dieléctrico en Caliente en…” Source: RevenueBase Database · checked Sep 16, 2026
18	Avingco S.A.S	Indirect evidence	Bogotá, ColombiaHQ checked Sep 16, 2026	51-200	22 contacts →
	Indirect evidence “Somos una empresa dedicada al suministro e instalación de redes de infraestructura eléctrica, telecomunicaciones, seguridad electrónica y energías limpias, con amplia experiencia…” Source: RevenueBase Database · checked Sep 16, 2026
19	Esprelc SAS	Indirect evidence	Bogota, ColombiaHQ checked Sep 16, 2026	11-50	19 contacts →
	Indirect evidence “ESPECIALISTAS EN PRUEBAS ELÉCTRICAS S.A.S fue fundada en el año 2015, siendo desde entonces una empresa integradora y especializada en la configuración y pruebas de sistemas de…” Source: RevenueBase Database · checked Sep 16, 2026
20	Certa Internacional S.A.S	Indirect evidence	Barranquilla, ColombiaHQ checked Sep 16, 2026	11-50	18 contacts →
	Indirect evidence “Certa Internacional S.A.S - Mantener tu confianza es nuestro compromiso.” Source: RevenueBase Database · checked Sep 16, 2026
21	Immecol	Indirect evidence	Bogotá D.c, ColombiaHQ checked Sep 16, 2026	51-200	15 contacts →
	Indirect evidence “Empresa especializada de ingeniería para el desarrollo de proyectos de infraestructura de transporte y de comunicaciones.” Source: RevenueBase Database · checked Sep 16, 2026
22	Setet SAS	Indirect evidence	Bogota, ColombiaHQ checked Sep 16, 2026	11-50	15 contacts →
	Indirect evidence “Brindamos soluciones a las necesidades del sector manteniendo la continuidad del servicio eléctrico, ofrecemos soluciones de construcción y mantenimiento de sistemas fotovoltaicos…” Source: RevenueBase Database · checked Sep 16, 2026
23	HE Ingeniería Y Soluciones	Indirect evidence	Medellín, ColombiaHQ checked Sep 16, 2026	11-50	13 contacts →
	Indirect evidence “Profesionales en el sector eléctrico en diseños, montajes, pruebas, puesta en servicio, control y automatización de subestaciones eléctricas.” Source: RevenueBase Database · checked Sep 16, 2026
24	Erasmus S.A.S	Partial evidence	Bogota, ColombiaHQ checked Sep 16, 2026	11-50	12 contacts →
	Partial evidence “Erasmus SAS es una compañía especializada en el suministro de productos para el sector eléctrico y para las áreas de electricidad de los demás sectores económicos, particularmente…” Source: RevenueBase Database · checked Sep 16, 2026
25	Select Ingeniería	Indirect evidence	Santiago De Cali, ColombiaHQ checked Sep 16, 2026	11-50	9 contacts →
	Indirect evidence “Empresa de Ingeniería Eléctrica, ubicada en Cali con más de 16 años de trayectoria en la región y experiencias exitosas como contratistas eléctricos.” Source: RevenueBase Database · checked Sep 16, 2026

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 transmission 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 electrical transmission contractors.
Partial evidence: Its own public description names part of electrical transmission contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name electrical transmission 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 210 electrical transmission contractors based in Colombia

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Electrical transmission contractors based in Colombia at a glance

As of Sep 16, 2026

6.3%Verified-email coverage

25.3Average contacts per company

11-50Median size (employees)

23.3%Largest-city concentration · Bogota

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for Colombia, so it is reported there. Company counts and contact totals on this page are exact for Colombia, over 210 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 transmission 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 Colombia whose own description of what they do matches “electrical transmission 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 electrical transmission 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 electrical transmission contractors, and records with no verified work email. Companies headquartered outside Colombia 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, 334 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.

Electrical transmission contractors by metro

Electrical transmission contractors in Bogota49

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 transmission 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 electrical transmission contractors are there based in Colombia?

RevenueBase identified 210 electrical transmission contractors headquartered in Colombia 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?

Inmel Ingeniería, headquartered in Medellin, tops this list with the largest team on record.

Which city has the most electrical transmission contractors?

Bogota leads with 49 headquartered companies, followed by Medellin (22) and Barranquilla (14).

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 334 verified decision-maker contacts tracked across these 210 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.

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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.