Company lists · Data refreshed October 2026

Top 14 Impedance relays suppliers based in the United States

RevenueBase identified 28 company matches for impedance relays suppliers associated with the United States as of October 2026 and tracks 7,862 professional contacts across them, including 2,869 with verified work emails. Pullman is the largest hub.

This list covers company matches for impedance relays suppliers 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 October 26, 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 Oct 26, 2026 How this list was built
28Companies
7,862Contacts tracked
2,869Verified emails
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The 14 largest impedance relays suppliers based in the United States

Ranked by team size
Top 14 of 28 company matches for impedance relays suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 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 matchPullman, WA, United StatesHQ recorded Oct 26, 20265,001-10,0006,798 contacts →

Exact match

“SEL is a globally recognized designer and manufacturer of products and solutions that make electric power safer, more reliable, and more economical.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
2Exact matchFontana, CA, United StatesHQ recorded Oct 26, 2026201-500263 contacts →

Exact match

“Crown Technical Systems, a Flex company, is headquartered in Fontana, California, with additional production and engineering facilities in Dallas, Texas, and Ontario, Canada.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
3Exact matchBoonton, NJ, United StatesHQ recorded Oct 26, 202651-200201 contacts →

Exact match

“RFL is a Hubbell Power Systems brand that provides power line communication equipment and protection solutions, relaying products, application support, and customized systems.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchHighland, IL, United StatesHQ recorded Oct 26, 2026501-1,000112 contacts →

Exact match

“In 2025, Basler Electric Company was acquired by Littelfuse, Inc, a global, diversified industrial technology manufacturing company dedicated to creating a sustainable, connected…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchFayetteville, AR, United StatesHQ recorded Oct 26, 202651-20053 contacts →

Exact match

“Welcome to Telex.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchTucson, AZ, United StatesHQ recorded Oct 26, 202651-20033 contacts →

Exact match

“AEA is the premier value-added innovator in the electrical power distribution industry.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
7Exact matchCharlotte, NC, United StatesHQ recorded Oct 26, 202611-5029 contacts →

Exact match

“Power Relaying Solutions, PLLC (PRS) is an engineering services company specializing in protection, control and automation solutions for the electric power industry.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 26, 202611-5016 contacts →

Exact match

“Pinnacle Power Sales delivers innovative electrical equipment solutions, specializing in power systems, safety, and reliability.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
9Exact matchIndianapolis, IN, United StatesHQ recorded Oct 26, 202611-5011 contacts →

Exact match

“Utility Systems Inc.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchAlexandria, VA, United StatesHQ recorded Oct 26, 202611-5011 contacts →

Exact match

“SecuControl is an international company specialized in safety-focused and innovative test interface solutions for the electric power industry.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchIrvington, United StatesHQ recorded Oct 26, 202651-20011 contacts →

Exact match

“Monitoring and Protection Equipment For The Power Industry”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchDuncan, SC, United StatesHQ recorded Oct 26, 202611-5010 contacts →

Exact match

“KVA INC is an utilities company based out of 1700 Victor Hill Road Duncan, South Carolina, United States.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchConshohocken, PA, United StatesHQ recorded Oct 26, 202651-2009 contacts →

Exact match

“Relay & Power Systems (RPS) is a full-service engineering and registered ISO manufacturing resource, serving clients who produce, deliver and consume medium and high voltage…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact matchCharlotte, FL, United StatesHQ recorded Oct 26, 20261-102 contacts →

Exact match

“D&G Power Engineers is proud to offer high quality protective relay electrical engineering and field services to clients in the power utility industry.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 14 of 28 impedance relays suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 2,869 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impedance relays suppliers based in the United States at a glance

As of Oct 26, 2026
36.5%Verified-email coverage
280.8Average contacts per company
11-50Median size (employees)
7.1%Largest-city concentration · Pullman
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
6
11-50
12
51-200
6
201-500
1
501-1,000
1
1,001-5,000
1
5,001-10,000
1

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 28 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 “impedance relays suppliers” 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 2,869 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 October 26, 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 “impedance relays suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impedance relays suppliers are there based in the United States?

RevenueBase identified 28 company matches for impedance relays suppliers associated with the United States as of October 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?

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

Which city has the most impedance relays suppliers?

Pullman leads with 2 company records, followed by Alexandria (1) and Alpharetta (1).

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 2,869 professional contacts with verified work emails tracked across these 28 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 October 26, 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.