Company lists · Data refreshed October 2026

Top 25 Fault finding instrument suppliers based in the United States

Name: Fault finding instrument suppliers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 257 companies tracked

RevenueBase identified 257 company matches for fault finding instrument suppliers associated with the United States as of October 2026 and tracks 7,380 professional contacts across them, including 2,746 with verified work emails. Houston is the largest hub.

This list covers company matches for fault finding instrument 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 25, 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 25, 2026 How this list was built

257Companies

7,380Contacts tracked

2,746Verified emails

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The 25 largest fault finding instrument suppliers based in the United States

Ranked by team size

Top 25 of 257 company matches for fault finding instrument suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Shermco Industries	Exact match	Irving, TX, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,263 contacts →
	Exact match “Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Electric Power Systems	Exact match	Maryland Heights, MO, United StatesHQ recorded Oct 25, 2026	501-1,000	666 contacts →
	Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	Doble Engineering	Exact match	Marlborough, MA, United StatesHQ recorded Oct 25, 2026	501-1,000	654 contacts →
	Exact match “Doble is the world’s most trusted brand in electrical diagnostics.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	UE Systems	Exact match	Elmsford, NY, United StatesHQ recorded Oct 25, 2026	201-500	290 contacts →
	Exact match “UE Systems manufactures and offers a wide selection of ultrasound inspection tools ranging from the world-renown Ultraprobe series, the Acoustic Imaging Cameras, accessories and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Polaris Laboratories	Exact match	Indianapolis, United StatesHQ recorded Oct 25, 2026	201-500	217 contacts →
	Exact match “POLARIS Laboratories® can help you prevent maintenance failure.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Sdmyers	Exact match	Tallmadge, OH, United StatesHQ recorded Oct 25, 2026	201-500	200 contacts →
	Exact match “SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Innova Electronics Corp	Exact match	Irvine, CA, United StatesHQ recorded Oct 25, 2026	51-200	163 contacts →
	Exact match “THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Comsonics, INC	Exact match	Harrisonburg, VA, United StatesHQ recorded Oct 25, 2026	201-500	155 contacts →
	Exact match “ingenuity, expertise, quality.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Electric Motor & Contracting Co., INC	Exact match	Chesapeake, VA, United StatesHQ recorded Oct 25, 2026	201-500	138 contacts →
	Exact match “Established in 1960, Electric Motor and Contracting remains one of the largest independently owned electric motor and pump repair shops in the U.S.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Technical Diagnostic Services	Exact match	Fort Worth, TX, United StatesHQ recorded Oct 25, 2026	201-500	101 contacts →
	Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Industrial Repair Service	Exact match	Cumming, GA, United StatesHQ recorded Oct 25, 2026	51-200	98 contacts →
	Exact match “Since 1991, Industrial Repair Service has been reducing downtime and cutting maintenance costs for manufacturing plants across the nation.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	HECO	Exact match	Kalamazoo, MI, United StatesHQ recorded Oct 25, 2026	51-200	88 contacts →
	Exact match “HECO helps industrial plants utilize more dependable motors and equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Group CBS	Exact match	Denton, TX, United StatesHQ recorded Oct 25, 2026	201-500	76 contacts →
	Exact match “Headquartered in Denton, Texas, Group CBS has operations throughout the U.S.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Nexxis	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	51-200	75 contacts →
	Exact match “Hi we’re Nexxis, We’re about so much more than just hiring and selling top quality technical equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Kiemle-Hankins	Exact match	Perrysburg, OH, United StatesHQ recorded Oct 25, 2026	51-200	73 contacts →
	Exact match “Kiemle-Hankins is a leading industrial service and repair company.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	ABM Electrical Power Solutions, LLC	Exact match	Lanham, MD, United StatesHQ recorded Oct 25, 2026	201-500	60 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 · Oct 25, 2026 · View company records in RevenueBase
17	Protec Equipment Resources	Exact match	Grand Prairie, TX, United StatesHQ recorded Oct 25, 2026	51-200	60 contacts →
	Exact match “Protec Equipment Resources is a full service solutions provider of electrical test and measurement equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	DCG Systems	Exact match	Fremont, CA, United StatesHQ recorded Oct 25, 2026	201-500	59 contacts →
	Exact match “DCG Systems is the leading supplier of equipment that enables localization and characterization of electrical faults in integrated circuits, packages and board assemblies.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Power Engineering Services, LLC	Exact match	Converse, TX, United StatesHQ recorded Oct 25, 2026	51-200	59 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 · Oct 25, 2026 · View company records in RevenueBase
20	ARC Technology Solutions, LLC	Exact match	Nashua, NH, United StatesHQ recorded Oct 25, 2026	51-200	55 contacts →
	Exact match “ARC Technology Solutions LLC designs, manufactures and services innovative technical solutions for the largest global industrial companies.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Voltech Instruments	Exact match	Fort Myers, FL, United StatesHQ recorded Oct 25, 2026	11-50	53 contacts →
	Exact match “Voltech provides innovative, reliable test equipment for the Power Electronics Industry, specializing in wound component and transformer testing.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Hipotronics, INC	Exact match	Reading, PA, United StatesHQ recorded Oct 25, 2026	11-50	51 contacts →
	Exact match “Hipotronics is the world's leading supplier of high electrical test equipment and measurement instruments.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23	Intellirent	Exact match	Roanoke, TX, United StatesHQ recorded Oct 25, 2026	51-200	49 contacts →
	Exact match “We rent and support electrical testing equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	Technology For Energy Corp	Exact match	Knoxville, TN, United StatesHQ recorded Oct 25, 2026	51-200	45 contacts →
	Exact match “TEC is an employee-owned company based in Knoxville, Tennessee, USA, that designs and manufactures diagnostic instruments for four diverse industries.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Eclypse International Corporation	Exact match	Corona, CA, United StatesHQ recorded Oct 25, 2026	11-50	44 contacts →
	Exact match “Design, Manufacture, and Implementation of Electrical Distribution Analyzers for Production, Maintenance, Training and Field Service Activities.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “fault finding instrument suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 257 fault finding instrument suppliers based in the United States

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Fault finding instrument suppliers based in the United States at a glance

As of Oct 25, 2026

37.2%Verified-email coverage

28.7Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · Houston

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 257 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 “fault finding instrument 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 2,746 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 25, 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 “fault finding instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fault finding instrument suppliers are there based in the United States?

RevenueBase identified 257 company matches for fault finding instrument 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?

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

Which city has the most fault finding instrument suppliers?

Houston leads with 7 company records, followed by Dallas (6) and Miami (5).

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 2,746 professional contacts with verified work emails tracked across these 257 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 25, 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.