Company lists · Data refreshed September 2026
Top 25 Power transmission monitoring based in the United States
RevenueBase identified 160 power transmission monitoring headquartered in the United States as of September 2026 and tracks 9,175 professional contacts across them, including 4,672 with verified work emails. Houston is the largest hub.
This list covers power transmission monitoring headquartered in the United States, 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.
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.
The 25 largest power transmission monitoring based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,465 contacts → | ||||
Indirect evidence “S&C is empowering people to transform the grid.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,221 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, 2026Thanks. The Data Team will review it. | |||||
| 3 | 619 contacts → | ||||
Indirect evidence “Doble is the world’s most trusted brand in electrical diagnostics.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 548 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 511 contacts → | ||||
Partial evidence “RESA Power is your ONE-STOP for all of your power needs.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 494 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, 2026Thanks. The Data Team will review it. | |||||
| 7 | 422 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 241 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 195 contacts → | ||||
Partial evidence “SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 188 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, 2026Thanks. The Data Team will review it. | |||||
| 11 | 160 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 139 contacts → | ||||
Indirect evidence “Gridware is a technology company focused on protecting and enhancing the electrical grid.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 103 contacts → | ||||
Partial evidence “Dynamic Ratings is dedicated to providing monitoring, control, and communication solutions for electrical apparatus.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 91 contacts → | ||||
Partial evidence “Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 89 contacts → | ||||
Partial evidence “LineVision is a grid-enhancing technology company enabling electric utilities to deliver affordable, reliable power and accelerate the electrification of the global economy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 85 contacts → | ||||
Partial evidence “Traditionally, power systems around the world were designed based on synchronous machines being the primary source of generation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 72 contacts → | ||||
Indirect evidence “Seismos delivers actionable data intelligence across the energy infrastructure, enabling greater situational awareness, confident decision-making, and superior performance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 61 contacts → | ||||
Partial evidence “Lindsey Systems is recognized globally as an innovator in the electric power industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 51 contacts → | ||||
Indirect evidence “Kevala provides the most comprehensive real-time data and analytics platform for energy market participants, enabling smarter decisions in grid infrastructure, electrification…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 44 contacts → | ||||
Partial evidence “Electric Power Group (EPG) is a pioneer in the area of synchrophasor technology based software solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 42 contacts → | ||||
Indirect evidence “DVI, a subsidiary of Dominion Energy, is a leading provider of grid analytics and control technology, providing solutions for energy efficiency, demand response, volt/VAR control…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 38 contacts → | ||||
Indirect evidence “We provide services around the globe with our extensive expertise on hydro, gas, thermal powerplants; world class competencies in gas, steam, hydro turbines, and high-level…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 29 contacts → | ||||
Strong evidence “Electrical measurement company Megger continues its expansion into on-line monitoring and added-value services for electrical power utilities with this acquisition.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 27 contacts → | ||||
Indirect evidence “RLE and Cellwatch are now Parameter.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 24 contacts → | ||||
Indirect evidence “TEAMWORKnet, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: power transmission monitoring. 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 power transmission monitoring.
- Partial evidence
- Its own public description names part of power transmission monitoring, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name power transmission monitoring. 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 160 power transmission monitoring based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 4,672 reachable decision-makers.
Free signup · no credit card
Power transmission monitoring based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 160 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 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.
- What qualifies
- Companies headquartered in the United States 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. Companies headquartered outside United States 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, 4,672 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.
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 based in the United States?
RevenueBase identified 160 power transmission monitoring headquartered in the United States 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?
S&c Electric Company, headquartered in Chicago, tops this list with the largest team on record.
Which city has the most power transmission monitoring?
Houston leads with 7 headquartered companies, followed by Dallas (4) and San Francisco (4).
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 4,672 verified decision-maker contacts tracked across these 160 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 160 power transmission monitoring based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Power transmission monitoring by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Power transmission monitoring based in Australia
- Power transmission monitoring based in Brazil
- Power transmission monitoring based in Canada
- Power transmission monitoring based in Germany
- Power transmission monitoring based in India
- Power transmission monitoring based in the United Kingdom