Company lists · Data refreshed October 2026

Top 25 Electromagnetic field protection devices suppliers worldwide

RevenueBase identified 350 company matches for electromagnetic field protection devices suppliers worldwide as of October 2026 and tracks 2,998 professional contacts across them, including 930 with verified work emails. The United States is the largest market and Changzhou the largest hub.

This list covers company matches for electromagnetic field protection devices suppliers 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 October 25, 2026. Country and city lists for electromagnetic field protection devices suppliers 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 Oct 25, 2026 How this list was built
350Companies
2,998Contacts tracked
930Verified emails
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The 25 largest electromagnetic field protection devices suppliers worldwide

Ranked by team size
Top 25 of 350 company matches for electromagnetic field protection devices suppliers worldwide, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurlington, MA, United StatesHQ recorded Oct 25, 2026201-500181 contacts →

Exact match

“NELCO, an ISO 9001:2015 certified company, got its start in the 1930’s designing, manufacturing, and installing specialized products and services to meet the needs in the medical…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2Exact matchChennai, IndiaHQ recorded Oct 25, 2026201-500179 contacts →

Exact match

“Redefining ELECTRICAL SAFETY”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3Exact matchBuenos Aires, ArgentinaHQ recorded Oct 25, 202651-20080 contacts →

Exact match

“DALDE es una empresa privada dedicada a la tarea de calcular, diseñar y construir Blindajes Electromagnéticos para reducir interferencias ambientales.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4Exact matchHallsberg, SwedenHQ recorded Oct 25, 2026501-1,00067 contacts →

Exact match

“The use of electronic equipment is increasing every day.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5Exact matchTampa, FL, United StatesHQ recorded Oct 25, 202651-20060 contacts →

Exact match

“Leader Tech is a world-leading innovator and U.S.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6Exact matchChennai, IndiaHQ recorded Oct 25, 202611-5047 contacts →

Exact match

“TEKIKNOW Technologies is a leading manufacturer in the field of EMI/EMC, RF Shielding, and test & measurement solutions.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7Exact matchHarleysville, PA, United StatesHQ recorded Oct 25, 202651-20046 contacts →

Exact match

“Veritas Medical Solutions, LLC; Veritas, Latin for "Truth"- our name sets before us the guiding principle and mission for our company.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8Exact matchSan Bernardo, ChileHQ recorded Oct 25, 202611-5046 contacts →

Exact match

“Solutions for the Magnetic Resonance Industry Tekemi is specialized in delivering 'end to end' solutions in electromagnetic shielding for MR equipments, from site planning to…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9Exact matchSaxonburg, PA, United StatesHQ recorded Oct 25, 202651-20044 contacts →

Exact match

“Has been the leader in solving both simple & complex shielding problems for nearly 40 years.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10Exact matchBangalore, IndiaHQ recorded Oct 25, 202611-5040 contacts →

Exact match

“Liveon Technolabs is a dynamic company that specializes in RF Shielding solutions, offering a range of high-quality products to provide effective protection against…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11Exact matchHägendorf, SwitzerlandHQ recorded Oct 25, 202651-20038 contacts →

Exact match

“The IMEDCO RF enclosure is basically a Faraday cage constructed of panels of high-quality copper foil wrapped round wooden frames, which are clamped together such as to ensure the…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12Exact matchBarendrecht, NetherlandsHQ recorded Oct 25, 202651-20037 contacts →

Exact match

“NAB Bliksembeveiliging BV NAB is één van de belangrijkste spelers op de markt van aarding en bliksembeveiliging in Nederland.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13Exact matchNattheim, GermanyHQ recorded Oct 25, 202611-5035 contacts →

Exact match

“Albatross Projects is one of the leading global manufacturers of anechoic chambers and shielded rooms for various applications in EMC, antenna testing and high-frequency…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14Exact matchLa Trinité Sur Mer, FranceHQ recorded Oct 25, 202611-5035 contacts →

Exact match

“Siepel designs, manufactures, and installs Faraday cages, anechoic chambers, reverberation chambers, electromagnetic absorbers, etc.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15Exact matchToulouse, FranceHQ recorded Oct 25, 202611-5034 contacts →

Exact match

“Specialised in the management of electromagnetic fields in public places, workplaces and homes, EXEM offers inspection and compliance solutions.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16Exact matchBarcelona, SpainHQ recorded Oct 25, 202611-5034 contacts →

Exact match

“Wavecontrol, founded in 1997, is an engineering company specialising in electromagnetic field measurements in the areas of radio frequency safety and electromagnetic compatibility.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17Exact matchBurlington, KS, United StatesHQ recorded Oct 25, 202611-5033 contacts →

Exact match

“As a leading provider of innovative EMP defense technologies, EMP Shield Inc, has developed the first ever Electromagnetic Pulse (EMP) defense technology for an entire home…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18Exact matchOttawa, ON, CanadaHQ recorded Oct 25, 202651-20032 contacts →

Exact match

“Raymond EMC Enclosures (formerly Rayproof Canada) was founded in 1987 and became wholly Canadian-owned in 1994.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19Exact matchBogotá, ColombiaHQ recorded Oct 25, 202611-5031 contacts →

Exact match

“INDUSTRIA ELÉCTRICA NEWLINE, es una empresa fundada hace 20 años con el propósito de fabricar, comercializar, importar y dar soporte a toda nuestra línea de productos…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20Exact matchScunthorpe, United KingdomHQ recorded Oct 25, 202611-5027 contacts →

Exact match

“For 40 years, HITEK Electronic Materials Ltd.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21Exact matchBogotá, ColombiaHQ recorded Oct 25, 202611-5027 contacts →

Exact match

“Nuestra organización se fundó en 1989 como respuesta a una necesidad del mercado colombiano, asociada a la disponibilidad eléctrica.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22Exact matchColorado Springs, CO, United StatesHQ recorded Oct 25, 202611-5025 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23Exact matchNorth Billerica, MA, United StatesHQ recorded Oct 25, 202611-5025 contacts →

Exact match

“NexTek is the premier source for Coaxial/RF Surge Protection and High Current EMC/EMI Filters.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24Exact matchDordrecht, NetherlandsHQ recorded Oct 25, 202651-20024 contacts →

Exact match

“Holland Shielding Systems develops and manufactures EMI, RFI & EMC shielding solutions.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25Exact matchLiverpool, United KingdomHQ recorded Oct 25, 202651-20023 contacts →

Exact match

“MPE Limited, based in the UK, is the world’s leading manufacturer of high performance EMC/EMP, HEMP & TEMPEST filters and capacitor products for supply to the automotive, defence…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

Showing 25 of 350 electromagnetic field protection devices suppliers worldwide

See the full list, filter by size, metro and specialty, and access 930 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electromagnetic field protection devices suppliers worldwide at a glance

As of Oct 25, 2026
31.0%Verified-email coverage
8.6Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Changzhou
Oct 25, 2026Page data refreshed

Companies by employee count

1-10
158
11-50
135
51-200
40
201-500
8
501-1,000
2
1,001-5,000
3
5,001-10,000
1

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 field protection devices suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “electromagnetic field protection devices 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. 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 930 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.

Electromagnetic field protection devices suppliers by location

2 lists · largest first

Every Electromagnetic field protection devices suppliers 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 field protection devices suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electromagnetic field protection devices suppliers are there worldwide?

RevenueBase identified 350 company matches for electromagnetic field protection devices suppliers worldwide 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?

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

Which country has the most electromagnetic field protection devices suppliers?

The United States leads with 79 companies, followed by the United Kingdom (26). Every electromagnetic field protection devices suppliers list by country and city is linked on this page.

Which city has the most electromagnetic field protection devices suppliers?

Changzhou leads with 4 company records, followed by Abu Dhabi (3) and Bangalore (3).

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 930 professional contacts with verified work emails tracked across these 350 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.