Company lists · Data refreshed September 2026

Top 25 Power transmission monitoring worldwide

RevenueBase identified 1,039 power transmission monitoring worldwide as of September 2026 and tracks 29,851 professional contacts across them, including 10,662 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers power transmission monitoring 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 monitoring 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
1,039Companies
29,851Contacts tracked
10,662Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest power transmission monitoring worldwide

Ranked by team size
Top 25 of 1,039 power transmission monitoring 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 monitoring: 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 evidenceCham, SwitzerlandHQ checked Sep 20, 20265,001-10,0004,252 contacts →

Indirect evidence

“Landis+Gyr is a global energy technology leader delivering intelligent solutions that connect devices, data, and decisions across the grid.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20261,001-5,0002,465 contacts →

Indirect evidence

“S&C is empowering people to transform the grid.”

Source: RevenueBase Database · checked Sep 20, 2026
3Strong evidence92084 Paris - La Défense, FranceHQ checked Sep 20, 202610001+2,012 contacts →

Strong evidence

“One of the top three global players in the transmission and distribution of energy, AREVA T&D offers solutions to bring electricity from the source onto the power network.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceIrving, TX, United StatesHQ checked Sep 20, 20261,001-5,0001,221 contacts →

Indirect evidence

“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceRegensburg, GermanyHQ checked Sep 20, 20261,001-5,0001,052 contacts →

Partial evidence

“MR: THE POWER BEHIND POWER We at MR have been writing our success story in the world of energy technology for more than 150 years.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceMarlborough, MA, United StatesHQ checked Sep 20, 2026501-1,000619 contacts →

Indirect evidence

“Doble is the world’s most trusted brand in electrical diagnostics.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceMumbai, IndiaHQ checked Sep 20, 20261,001-5,000590 contacts →

Partial evidence

“Stelmec is leading name in the Indian power industry, dedicated to delivering innovating and sustainable energy solutions to businesses and communities across the country.”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceLynchburg, VA, United StatesHQ checked Sep 20, 20261,001-5,000548 contacts →

Partial evidence

“Delta Star is recognized as an industry leader in pursuit of continuously improving the performance, delivery and reliability of power to meet the energy needs of the future._…”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceHouston, TX, United StatesHQ checked Sep 20, 20261,001-5,000511 contacts →

Partial evidence

“RESA Power is your ONE-STOP for all of your power needs.”

Source: RevenueBase Database · checked Sep 20, 2026
10Strong evidenceFairport, NY, United StatesHQ checked Sep 20, 2026501-1,000494 contacts →

Strong evidence

“Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect 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
12Indirect evidenceBedford, MA, United StatesHQ checked Sep 20, 20261,001-5,000422 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceChester, United KingdomHQ checked Sep 20, 2026201-500317 contacts →

Indirect evidence

“EA Technology provide innovative solutions for smarter planning, operations and investment decisions across electrical networks globally.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceMumbai, IndiaHQ checked Sep 20, 2026501-1,000288 contacts →

Partial evidence

“SCOPE Group is an engineering-led company for critical power infrastructure.”

Source: RevenueBase Database · checked Sep 20, 2026
15Strong evidenceWestbury, NY, United StatesHQ checked Sep 20, 2026201-500241 contacts →

Strong evidence

“For over 45 years, Electro Industries/GaugeTech has been a leader in innovation and technological advancements in the areas of energy management and power monitoring.”

Source: RevenueBase Database · checked Sep 20, 2026
16Partial evidenceBarcelona, SpainHQ checked Sep 20, 202651-200230 contacts →

Partial evidence

“GreenPowerMonitor, a DNV company, is a leading provider of renewable energy asset monitoring, control, and asset management solutions, with a focus on solar energy, wind energy…”

Source: RevenueBase Database · checked Sep 20, 2026
17Partial evidenceQuébec City, QC, CanadaHQ checked Sep 20, 2026201-500207 contacts →

Partial evidence

“Headquartered in Quebec, Canada, Rugged Monitoring is a global technology company focused on the digitalization of critical electrical infrastructure.”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceTallmadge, OH, United StatesHQ checked Sep 20, 2026201-500195 contacts →

Partial evidence

“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceHouston, TX, United StatesHQ checked Sep 20, 2026501-1,000188 contacts →

Indirect evidence

“Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceGreymouth, New ZealandHQ checked Sep 20, 2026201-500177 contacts →

Partial evidence

“ElectroNet is a 100% New Zealand-owned company providing innovative technology and energy solutions across the power industry.”

Source: RevenueBase Database · checked Sep 20, 2026
21Partial evidenceLake Mary, FL, United StatesHQ checked Sep 20, 20261,001-5,000160 contacts →

Partial evidence

“Qualus is a leading pure-play power services firm and innovator at the forefront of the energy transition and transformation, with differentiated capabilities across grid…”

Source: RevenueBase Database · checked Sep 20, 2026
22Partial evidenceCologne, GermanyHQ checked Sep 20, 202651-200155 contacts →

Partial evidence

“envelio - Supporting the smarter, faster evolution of your power grid.”

Source: RevenueBase Database · checked Sep 20, 2026
23Partial evidenceAnkara, TürkiyeHQ checked Sep 20, 202651-200150 contacts →

Partial evidence

“inavitas is at the forefront of researching, developing, and delivering smart energy monitoring and management solutions for all scales' energy systems.”

Source: RevenueBase Database · checked Sep 20, 2026
24Partial evidenceChennai, IndiaHQ checked Sep 20, 202651-200145 contacts →

Partial evidence

“We are an ISO 9001:2008 SPK Power Infra private limited the service division of SPK was established with a view to serve vast engineering services in the power generation…”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 20, 202651-200139 contacts →

Indirect evidence

“Gridware is a technology company focused on protecting and enhancing the electrical grid.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 1,039 power transmission monitoring worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 10,662 reachable decision-makers.

Free signup · no credit card

View the full list →

Power transmission monitoring worldwide at a glance

As of Sep 20, 2026
35.7%Verified-email coverage
28.7Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
460
11-50
389
51-200
130
201-500
25
501-1,000
12
1,001-5,000
17
5,001-10,000
3
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 monitoring, 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 monitoring are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “power transmission monitoring”. 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 monitoring), 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 monitoring, 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, 10,662 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 monitoring by location

7 lists · largest first

Every Power transmission monitoring 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 monitoring, 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 monitoring are there worldwide?

RevenueBase identified 1,039 power transmission monitoring 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?

Landis GYR, headquartered in Cham, tops this list with the largest team on record.

Which country has the most power transmission monitoring?

The United States leads with 160 companies, followed by Brazil (71) and India (65). Every power transmission monitoring list by country and city is linked on this page.

Which city has the most power transmission monitoring?

Sao Paulo leads with 14 headquartered companies, followed by Melbourne (8) and Houston (7).

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 10,662 verified decision-maker contacts tracked across these 1,039 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.

Ready to reach these companies? Verified emails and direct dials for all 1,039 power transmission monitoring worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.