Company lists · Data refreshed September 2026

Top 25 Electric transmission line inspection companies worldwide

RevenueBase identified 1,007 electric transmission line inspection companies worldwide as of September 2026 and tracks 16,205 professional contacts across them, including 3,868 with verified work emails. The United States is the largest market and Belo Horizonte the largest hub.

This list covers electric transmission line inspection companies worldwide, 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. Country and city lists for electric transmission line inspection companies follow the table.

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 19, 2026 86% judged on-target in blind review
1,007Companies
16,205Contacts tracked
3,868Verified emails
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The 25 largest electric transmission line inspection companies worldwide

Ranked by team size
Top 25 of 1,007 electric transmission line inspection companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to electric transmission line inspection companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 19, 20265,001-10,0001,818 contacts →

Indirect evidence

“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceHouston, TX, United StatesHQ checked Sep 19, 20261,001-5,000928 contacts →

Partial evidence

“SAE Towers is one of the world’s largest producers of steel lattice towers for high-voltage power transmission.”

Source: RevenueBase Database · checked Sep 19, 2026
3Strong evidenceBillings, MT, United StatesHQ checked Sep 19, 20261,001-5,000890 contacts →

Strong evidence

Electrical Consultants, Inc.(ECI) is an employee-owned, national provider of high voltage transmission, substation, and distribution solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceRichland, MS, United StatesHQ checked Sep 19, 2026501-1,000559 contacts →

Strong evidence

“Irby Construction Company, a wholly owned subsidiary of Quanta Services, Inc, excels in the processes required for major transmission, substation and distribution line…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceFlorianópolis, BrazilHQ checked Sep 19, 2026201-500449 contacts →

Indirect evidence

“A COTESA é especialista na Engenharia de Operação & Manutenção de ativos elétricos de Geração e Transmissão de energia.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceEdinburgh, United KingdomHQ checked Sep 19, 2026201-500191 contacts →

Indirect evidence

“Founded in 2008, Cyberhawk™ is the first company in the world to use unmanned vehicles to inspect industrial assets.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceConcepción, ChileHQ checked Sep 19, 2026501-1,000185 contacts →

Indirect evidence

“Globaltec es una empresa especializada en brindar servicios eléctricos integrales, enfocados en la construcción, mantención y transporte de infraestructura eléctrica.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceRapid City, SD, United StatesHQ checked Sep 19, 2026501-1,000182 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceHuechuraba - Rm, ChileHQ checked Sep 19, 2026501-1,000177 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
10Strong evidenceMagnolia, TX, United StatesHQ checked Sep 19, 202651-200167 contacts →

Strong evidence

“We are an innovative supplier of infrastructure inspection, engineering, and field repair and reinforcement services for the global electrical utility, renewables, lighting, and…”

Source: RevenueBase Database · checked Sep 19, 2026
11Strong evidenceChennai, IndiaHQ checked Sep 19, 2026501-1,000152 contacts →

Strong evidence

“delivers end-to-end engineered transmission line hardware solutions-from design and validation to manufacturing and global supply-supporting Utilities and EPC partners in building…”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceHeber, UT, United StatesHQ checked Sep 19, 2026201-500144 contacts →

Strong evidence

“Probst specializes in high-voltage transmission line construction, along with design-build, and maintenance services for both the public and private sector utilities.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceFortaleza, BrazilHQ checked Sep 19, 2026501-1,000142 contacts →

Indirect evidence

“Parceria | Instalações elétricas e construção civil com qualidade, segurança e sustentabilidade PARCERIA | Instalações elétricas e construção civil com qualidade, segurança e…”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceRas Tannurah, Saudi ArabiaHQ checked Sep 19, 20261,001-5,000137 contacts →

Indirect evidence

“Our Core Services 1.”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceTampa, FL, United StatesHQ checked Sep 19, 202651-200135 contacts →

Partial evidence

“We provide transmission and substation design, project management, surveying, aerial mapping, and LiDAR services to clients throughout the US and Caribbean.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 19, 2026501-1,000125 contacts →

Indirect evidence

“Realizamos serviços de projeto, consultoria, construção, reforma e manutenção em rede aérea de distribuição rural e urbana, rede subterrânea de distribuição, linha de transmissão…”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceBrownsville, WI, United StatesHQ checked Sep 19, 202651-200122 contacts →

Partial evidence

“Mi-Tech is a leading supplier of services to the utility industry including wood and steel utility pole inspection, remedial treatment and reinforcement, utility pole loading…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceFlorianópolis, BrazilHQ checked Sep 19, 2026201-500118 contacts →

Indirect evidence

“Solução completa para qualquer empreendimento de transmissão e distribuição de energia elétrica - Serviços específicos em linhas de transmissão de energia - Aluguel de veículos…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceUnited StatesHQ checked Sep 19, 20261,001-5,000114 contacts →

Indirect evidence

“Eléctricas de Medellín es la primera compañía del grupo ETHUSS, nace en 1965, prestando servicios de ingeniería, mantenimiento, operación, concesiones y construcción de líneas de…”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceCalgary, AB, CanadaHQ checked Sep 19, 202651-200113 contacts →

Partial evidence

“Onstream Pipeline Inspection, member of MISTRAS Group (NYSE: MG), uses advanced technologies to provide reliable and accurate pipeline inspection results to oil & gas producers…”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceFort Worth, TX, United StatesHQ checked Sep 19, 2026201-500106 contacts →

Partial evidence

“Power Line Services is now part of Primoris Services Corporation.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceGoiânia, BrazilHQ checked Sep 19, 202651-200104 contacts →

Indirect evidence

“Especializada em linhas de transmissão e serviços na área de energia elétrica, ampliação e construção de subestações de alta e média tensão, com experiência desde 2007.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceBroomfield, CO, United StatesHQ checked Sep 19, 202651-20098 contacts →

Indirect evidence

“We’re ikeGPS, the PoleOS™ Company.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceCergy, FranceHQ checked Sep 19, 2026201-50098 contacts →

Indirect evidence

“SPIE Thépault est le spécialiste historique des réseaux électriques haute tension.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 19, 202651-20098 contacts →

Indirect evidence

“A Pavibra é especializada na construção de linhas de transmissão aéreas e subterrâneas.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 1,007 electric transmission line inspection companies worldwide

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Electric transmission line inspection companies worldwide at a glance

As of Sep 19, 2026
23.9%Verified-email coverage
16.1Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Belo Horizonte
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
537
11-50
260
51-200
130
201-500
46
501-1,000
20
1,001-5,000
8
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

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 electric transmission line inspection 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.
Coverage
Every country. Country and city lists for electric transmission line inspection companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “electric transmission line inspection 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 electric transmission line inspection 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 electric transmission line inspection companies, and records with no verified work email.
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, 3,868 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.

Electric transmission line inspection companies by location

7 lists · largest first

Every Electric transmission line inspection companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 electric transmission line inspection 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 electric transmission line inspection companies are there worldwide?

RevenueBase identified 1,007 electric transmission line inspection companies worldwide 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?

Engelmig Energia, headquartered in Belo Horizonte, tops this list with the largest team on record.

Which country has the most electric transmission line inspection companies?

The United States leads with 205 companies, followed by Brazil (93) and the United Kingdom (54). Every electric transmission line inspection companies list by country and city is linked on this page.

Which city has the most electric transmission line inspection companies?

Belo Horizonte leads with 12 headquartered companies, followed by Sao Paulo (9) and Houston (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 3,868 verified decision-maker contacts tracked across these 1,007 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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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.