Company lists · Data refreshed September 2026

Top 25 Power transmission line inspection companies worldwide

RevenueBase identified 913 power transmission line inspection companies worldwide as of September 2026 and tracks 11,506 professional contacts across them, including 2,255 with verified work emails. The United States is the largest market and Belo Horizonte the largest hub.

This list covers power 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 20, 2026. Country and city lists for power 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 20, 2026 86% judged on-target in blind review
913Companies
11,506Contacts tracked
2,255Verified emails
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The 25 largest power transmission line inspection companies worldwide

Ranked by team size
Top 25 of 913 power transmission line inspection companies worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to power 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
1Strong evidenceHouston, TX, United StatesHQ checked Sep 20, 20261,001-5,000928 contacts →

Strong 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 20, 2026
2Strong evidenceRichland, MS, United StatesHQ checked Sep 20, 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 20, 2026
3Indirect evidenceFlorianópolis, BrazilHQ checked Sep 20, 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 20, 2026
4Strong evidenceJumeirah Lakes Towers, United Arab EmiratesHQ checked Sep 20, 2026201-500257 contacts →

Strong evidence

“PIPECARE Group is a global leader in in-line inspection and integrity services.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceEdinburgh, United KingdomHQ checked Sep 20, 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 20, 2026
6Indirect evidenceHuechuraba - Rm, ChileHQ checked Sep 20, 2026501-1,000177 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceMagnolia, TX, United StatesHQ checked Sep 20, 202651-200167 contacts →

Partial 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 20, 2026
8Strong evidenceChennai, IndiaHQ checked Sep 20, 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 20, 2026
9Strong evidenceHeber, UT, United StatesHQ checked Sep 20, 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 20, 2026
10Indirect evidenceFortaleza, BrazilHQ checked Sep 20, 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 20, 2026
11Partial evidenceTampa, FL, United StatesHQ checked Sep 20, 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 20, 2026
12Indirect evidenceFlorianópolis, BrazilHQ checked Sep 20, 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 20, 2026
13Indirect evidenceUnited StatesHQ checked Sep 20, 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 20, 2026
14Partial evidenceCalgary, AB, CanadaHQ checked Sep 20, 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 20, 2026
15Strong evidenceFort Worth, TX, United StatesHQ checked Sep 20, 2026201-500106 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceGoiânia, BrazilHQ checked Sep 20, 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 20, 2026
17Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 20, 202651-20098 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
18Strong evidenceTitusville, FL, United StatesHQ checked Sep 20, 2026201-50097 contacts →

Strong evidence

“Southeast Power Corporation is engaged in the construction and maintenance of power lines, substations, and the installation of fiber optic systems nationwide.”

Source: RevenueBase Database · checked Sep 20, 2026
19Partial evidenceFort Worth, TX, United StatesHQ checked Sep 20, 2026201-50094 contacts →

Partial evidence

“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceAhmedabad, IndiaHQ checked Sep 20, 202651-20092 contacts →

Indirect evidence

“Enercomp Solutions Pvt Ltd provide drone based economically viable solutions for different sectors to improve efficiency and accuracy.”

Source: RevenueBase Database · checked Sep 20, 2026
21Partial evidenceSurrey, BC, CanadaHQ checked Sep 20, 2026201-50070 contacts →

Partial evidence

“In 1981, on opposite sides of the province and independent of each other, Arctic Power Systems and Arrow Installations opened their doors for business.”

Source: RevenueBase Database · checked Sep 20, 2026
22Partial evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20066 contacts →

Partial evidence

“Maverick Engineering and Construction is a full-service Engineering, Procurement, Construction, and Operator of communications and power networks throughout United States and…”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidencePonta Grossa, BrazilHQ checked Sep 20, 2026201-50066 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceMedellín, ColombiaHQ checked Sep 20, 2026501-1,00061 contacts →

Indirect evidence

“INSTELEC S.A.S, fue fundada en Medellín-Colombia, el 1 de Marzo de 1972.”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceFort Mcmurray, AB, CanadaHQ checked Sep 20, 202651-20058 contacts →

Indirect evidence

“Midlite Powerline Construction specializes in all aspects of powerline, substation, and fiber optic construction and maintenance.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 913 power transmission line inspection companies worldwide

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Power transmission line inspection companies worldwide at a glance

As of Sep 20, 2026
19.6%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Belo Horizonte
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
548
11-50
201
51-200
97
201-500
38
501-1,000
15
1,001-5,000
7
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 power 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 power transmission line inspection companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “power 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 power 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 power 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, 2,255 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 20, 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.

Power transmission line inspection companies by location

6 lists · largest first

Every Power 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 power 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 power transmission line inspection companies are there worldwide?

RevenueBase identified 913 power 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?

SAE Towers, headquartered in Houston, tops this list with the largest team on record.

Which country has the most power transmission line inspection companies?

The United States leads with 182 companies, followed by Brazil (69) and India (60). Every power transmission line inspection companies list by country and city is linked on this page.

Which city has the most power transmission line inspection companies?

Belo Horizonte leads with 8 headquartered companies, followed by Chennai (6) and Houston (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 2,255 verified decision-maker contacts tracked across these 913 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 20, 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.