Company lists · Data refreshed November 2026

Top 25 Electromagnetic testing services worldwide

RevenueBase identified 2,667 company matches for electromagnetic testing services worldwide as of November 2026 and tracks 35,191 professional contacts across them, including 9,665 with verified work emails. The United States is the largest market and Chennai the largest hub.

This list covers company matches for electromagnetic testing services worldwide, 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. Country and city lists for electromagnetic testing services follow the table.

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
2,667Companies
35,191Contacts tracked
9,665Verified emails
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The 25 largest electromagnetic testing services worldwide

Ranked by team size
Top 25 of 2,667 company matches for electromagnetic testing services worldwide, 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 matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,0004,533 contacts →

Exact match

“The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKlaus, FranceHQ recorded Nov 6, 20261,001-5,000937 contacts →

Exact match

“OMICRON is an international company that works passionately on ideas for making electric power systems safe and reliable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact matchStuttgart, GermanyHQ recorded Nov 6, 202610001+562 contacts →

Exact match

“Innovating safety and security by creating the intelligent testing solutions that contribute to making the digitalized and connected world a safer place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLysaker, NorwayHQ recorded Nov 6, 2026501-1,000473 contacts →

Exact match

“We contribute to a safer world by sharing knowledge and safeguarding products, the environment, people and systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMontigny Le Bretonneux, FranceHQ recorded Nov 6, 2026501-1,000471 contacts →

Exact match

“We provide global testing services for automotive, aeronautic & defence industries : we perform environmental, mechanical, EMC and electrical tests.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMontevideo, UruguayHQ recorded Nov 6, 2026501-1,000431 contacts →

Exact match

“Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHürth, GermanyHQ recorded Nov 6, 20261,001-5,000411 contacts →

Exact match

“Waygate Technologies, a Baker Hughes business, is an industrial inspection solutions company and the world leader in non-destructive testing (NDT).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTomball, TX, United StatesHQ recorded Nov 6, 20265,001-10,000366 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMalaga, AustraliaHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“We are an engineering and technical services business that won’t let you down.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWesterville, SC, United StatesHQ recorded Nov 6, 2026201-500270 contacts →

Exact match

“In business since 1971, Electrical Reliability Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSaarbruecken, GermanyHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“The best of two worlds – CTC advanced GmbH and CETECOM GmbH merge to form cetecom advanced GmbH This merger creates a unified company from two leading suppliers in the field of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFontenay-aux-roses, FranceHQ recorded Nov 6, 2026201-500197 contacts →

Exact match

“As a preferred partner in compliance for the marketing and promotion of your electrical and electronic products, LCIE Bureau Veritas supports you from the development phase…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBaltimore, TX, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Eurofins Electrical & Electronics North America is a leading testing and certification laboratory, providing a unique array of testing services and accreditations for regulatory…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSijhih District, TaiwanHQ recorded Nov 6, 20261,001-5,000193 contacts →

Exact match

“Since its inception in 1986, Sporton International has been focusing on providing customers with professional product testing and certification services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDresden, GermanyHQ recorded Nov 6, 2026201-500178 contacts →

Exact match

“HIGHVOLT Prüftechnik Dresden GmbH is a global leader in high voltage and high current test systems and measurement equipment with experience of 120 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVinhedo, BrazilHQ recorded Nov 6, 202651-200165 contacts →

Exact match

“Oferecemos soluções em inspeção e ensaios não destrutivos convencionais e não convencionais, e serviços metalúrgicos laboratoriais.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“About Us Cutting-edge technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSnoqualmie, WA, United StatesHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“ZETEC is a global leader in nondestructive testing (NDT) solutions for the critical inspection needs of industries the world counts on, including - Power Generation - Oil and Gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-200155 contacts →

Exact match

“LABELO is the complex of Specialized Laboratories in Electro-Electronics of PUCRS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSerra, BrazilHQ recorded Nov 6, 2026501-1,000147 contacts →

Exact match

“Estamos localizados em moderno centro de tecnologia de ensaios não destrutivos (CT-END) no município Serra/ES.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNúñez, ArgentinaHQ recorded Nov 6, 2026201-500140 contacts →

Exact match

“Somos una empresa dedicada a brindar servicios de inspección, evaluación de integridad y ensayos no destructivos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchToronto, OH, CanadaHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“Product Certification, Testing, Field Evaluation and Field Certification services, including pre-certification review, testing, evaluation, and certifications for electrical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGlenview, United StatesHQ recorded Nov 6, 2026201-500128 contacts →

Exact match

“Magnaflux is a global leader in nondestructive testing solutions.”

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

Showing 25 of 2,667 electromagnetic testing services worldwide

See the full list, filter by size, metro and specialty, and access 9,665 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electromagnetic testing services worldwide at a glance

As of Nov 6, 2026
27.5%Verified-email coverage
13.2Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Chennai
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,312
11-50
865
51-200
317
201-500
87
501-1,000
16
1,001-5,000
13
5,001-10,000
5
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for electromagnetic testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “electromagnetic testing services” 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. 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 9,665 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.

Electromagnetic testing services by location

12 lists · largest first

Every Electromagnetic testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “electromagnetic testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electromagnetic testing services are there worldwide?

RevenueBase identified 2,667 company matches for electromagnetic testing services worldwide 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?

Element Materials Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most electromagnetic testing services?

The United States leads with 421 companies, followed by India (273) and the United Kingdom (241). Every electromagnetic testing services list by country and city is linked on this page.

Which city has the most electromagnetic testing services?

Chennai leads with 25 company records, followed by Mumbai (22) and Pune (19).

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 9,665 professional contacts with verified work emails tracked across these 2,667 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.