Company lists · Data refreshed November 2026

Top 24 Power quality testing companies based in the United States

RevenueBase identified 103 company matches for power quality testing companies associated with the United States as of November 2026 and tracks 2,908 professional contacts across them, including 1,002 with verified work emails. Houston is the largest hub.

This list covers company matches for power quality testing 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 November 6, 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 Nov 6, 2026 How this list was built
103Companies
2,908Contacts tracked
1,002Verified emails
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The 24 largest power quality testing companies based in the United States

Ranked by team size
Top 24 of 103 company matches for power quality testing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMaryland Heights, MI, United StatesHQ recorded Nov 6, 2026501-1,000678 contacts →

Exact match

“Electric Power Systems is an independent electrical testing & engineering organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 2026501-1,000662 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFoothill Ranch, TX, United StatesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“Chroma is the largest worldwide provider of power test instruments and automated test systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAlameda, CA, United StatesHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Power quality problems are on the rise as renewable energy, EV charging stations, and VFDs join the grid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSeattle, OR, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Vision: To be the Global Power Protection Expert Mission: Deliver exceptional testing, maintenance, engineering, and commissioning services with uncompromising quality, safety…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchConverse, TX, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“WELCOME Power Engineering Services is an Accredited, Full-Member of the International Electrical Testing Association (NETA), and a Registered Engineering Firm in 46 states.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLanham, MD, United StatesHQ recorded Nov 6, 2026201-50063 contacts →

Exact match

“ABM Electrical Power Solutions, LLC is an electrical power engineering, testing, and maintenance company based out of 4390 Parliament Pl, Lanham, Maryland, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchReading, PA, United StatesHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Founded in 1971, Pacific Power Source (PPS) is an industry leading manufacturer of AC and DC power test solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHilliard, OH, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAccident, MD, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“PHENIX Technologies Inc, A Division of Doble Engineering, designs and manufactures a wide range of High Voltage, High Current, and High Power Test Systems and Components.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDurham, CT, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“EPST is a NETA Certified, Independent Electrical Testing & Engineering Organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“The talented Field engineers at HIVOLT Advanced provide electrical testing and commissioning services in a safe and reliable manner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBroomfield, CO, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“ComRent's mission is to enable real world testing of critical power systems, by providing clients with: The Right equipment that is Always Ready, and Reliable to ensure accurate…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Rexgear is one of the top Power Solution Company's in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDecatur, AL, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“AMP Quality Energy Services performs acceptance and maintenance tests on electrical power apparatus.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchManassas, VA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“HV TECHNOLOGIES, Inc.(HVT) is a prominent supplier of High Voltage and EMC Test Equipment and solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMount Crawford, VA, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“For more than 38 years, PMI has been working one-on-one with electric utilities to develop specialized power quality monitoring systems that are all-weather, rugged, compact and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWaukegan, IL, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“NXT Power is a team of unparalleled experts dedicated to providing premium power quality solutions for manufacturers of critical electronic equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“PMDT is the global power industry's most capable and advanced resource for On-Line Partial Discharge Test Equipment and testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHuntsville, AL, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“USC Power Services is a NETA Accredited company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Electrical testing of Electrical Components”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAuburn, WA, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Electrical testing, commissioning, maintenance and repair of AC and DC systems and associated equipment and devices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDanbury, CT, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Mission Critical Systems Integrator”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 103 power quality testing companies based in the United States

See the full list, filter by size, metro and specialty, and access 1,002 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Power quality testing companies based in the United States at a glance

As of Nov 6, 2026
34.5%Verified-email coverage
28.2Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
35
51-200
22
201-500
3
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 103 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 “power quality testing 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 1,002 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 November 6, 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 “power quality testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power quality testing companies are there based in the United States?

RevenueBase identified 103 company matches for power quality testing companies associated with the United States as of November 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?

Electric Power Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most power quality testing companies?

Houston leads with 4 company records, followed by Irvine (3) and Alameda (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 1,002 professional contacts with verified work emails tracked across these 103 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 November 6, 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 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.