Company lists · Data refreshed September 2026

Top 23 Transmission monitoring companies based in the United States

RevenueBase identified 52 company matches for transmission monitoring companies associated with the United States as of September 2026 and tracks 2,020 professional contacts across them, including 1,053 with verified work emails. Dallas is the largest hub.

This list covers company matches for transmission monitoring companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
52Companies
2,020Contacts tracked
1,053Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 23 largest transmission monitoring companies based in the United States

Ranked by team size
Top 23 of 52 company matches for transmission monitoring companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMarlborough, MA, United StatesHQ recorded Sep 22, 2026501-1,000619 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchFairport, NY, United StatesHQ recorded Sep 22, 2026501-1,000494 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchTallmadge, OH, United StatesHQ recorded Sep 22, 2026201-500195 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202651-200139 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchSussex, WI, United StatesHQ recorded Sep 22, 202651-200103 contacts →

Exact match

“Dynamic Ratings is dedicated to providing monitoring, control, and communication solutions for electrical apparatus.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchBradenton, FL, United StatesHQ recorded Sep 22, 202651-20083 contacts →

Exact match

“IRISS is the global provider of Electrical Asset Management Solutions that increase safety and reliability, while decreasing costs and human error in the inspection and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchDallas, United StatesHQ recorded Sep 22, 202651-20029 contacts →

Exact match

“Electrical measurement company Megger continues its expansion into on-line monitoring and added-value services for electrical power utilities with this acquisition.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchIrvington, United StatesHQ recorded Sep 22, 202651-20011 contacts →

Exact match

“Monitoring and Protection Equipment For The Power Industry”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchRichmond, VA, United StatesHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“GRID20/20, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchNorth Miami, FL, United StatesHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“ZTZ Services has been helping utilities protect their power grids for more than 25 years.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchDuluth, GA, United StatesHQ recorded Sep 22, 202611-509 contacts →

Exact match

“A generator’s primary purpose is to provide emergency power at any time.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchNovi, MI, United StatesHQ recorded Sep 22, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchSkaneateles, NY, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“The Line Ranger network from SmartKable Powerline Solutions leverages AI software (Line Analyzer) with proprietary sensors on the powerlines (Line Rangers) to, for the first time…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchMontclair, CA, United StatesHQ recorded Sep 22, 202651-2005 contacts →

Exact match

“Hampton Tedder Technical Services specializes in the testing and maintenance of low and high voltage electrical systems for industrial, commercial, government and utility…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchBedford, NH, United StatesHQ recorded Sep 22, 202611-505 contacts →

Exact match

“Rx Monitoring Services, Inc, is an innovative company that sees Power Quality Monitoring as a service - not just a box!”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchMurfreesboro, TN, United StatesHQ recorded Sep 22, 202611-505 contacts →

Exact match

“Cyber Sciences, now part of Trystar, is an innovative supplier of high-quality specialty products for monitoring and control of electrical distribution systems for data centers…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchPasadena, CA, United StatesHQ recorded Sep 22, 20261-105 contacts →

Exact match

“Global warming increases grid-sparked wildfires to account for 30% of California’s annual burn area, releasing CO2 equivalent to 65% of the state’s transportation-related…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchBlaine, MN, United StatesHQ recorded Sep 22, 202651-2004 contacts →

Exact match

“High Voltage Service/DYMAX Service is a growing testing, repair and engineering company, in the business since 1981, specializing in electrical power solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchVilla Rica, GA, United StatesHQ recorded Sep 22, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchOld Bridge, NJ, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“M&l power system”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchChattsworth, CA, United StatesHQ recorded Sep 22, 202611-503 contacts →

Exact match

“EGM Meta-Alert™ DER Meta-Alert-Meta-Alert™”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchBoynton Beach, FL, United StatesHQ recorded Sep 22, 202611-502 contacts →

Exact match

“ATECNUM® manufactures the PowerDonut® PD4, an intelligent electronic device (IED) for overhead power transmission lines that collects critical real time data, for the optimal…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchHillsboro, OR, United StatesHQ recorded Sep 22, 20261-102 contacts →

Exact match

“At Prescient, our multidisciplinary team will help you apply cutting edge design and operating practices, keeping your power systems safe, modern, and future-proof.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 23 of 52 transmission monitoring companies based in the United States

See the full list, filter by size, metro and specialty, and access 1,053 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Transmission monitoring companies based in the United States at a glance

As of Sep 22, 2026
52.1%Verified-email coverage
38.8Average contacts per company
11-50Median size (employees)
5.8%Largest-city concentration · Dallas
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
24
51-200
10
201-500
1
501-1,000
2

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 52 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “transmission monitoring companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,053 professional contacts with verified work emails across the full matched dataset. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “transmission monitoring companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transmission monitoring companies are there based in the United States?

RevenueBase identified 52 company matches for transmission monitoring companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Doble Engineering tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most transmission monitoring companies?

Dallas leads with 3 company records, followed by New York (2) and San Francisco (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,053 professional contacts with verified work emails tracked across these 52 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 52 transmission monitoring companies based in the United States. 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 SmartSearch, 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.