Company lists · Data refreshed September 2026

Top 25 Electronic shielding manufacturers worldwide

RevenueBase identified 367 electronic shielding manufacturers worldwide as of September 2026 and tracks 4,046 professional contacts across them, including 1,327 with verified work emails. The United States is the largest market and Ottawa the largest hub.

This list covers electronic shielding manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for electronic shielding manufacturers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review
367Companies
4,046Contacts tracked
1,327Verified emails
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The 25 largest electronic shielding manufacturers worldwide

Ranked by team size
Top 25 of 367 electronic shielding manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to electronic shielding manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceFoothill Ranch, CA, United StatesHQ checked Sep 30, 2026501-1,000292 contacts →

Partial evidence

“At Bal Seal Engineering, we custom-engineer sealing, connecting, conducting and shielding solutions that improve the performance and reliability of equipment used everywhere -…”

Source: RevenueBase Database · checked Sep 30, 2026
2Indirect evidencePlymouth, MA, United StatesHQ checked Sep 30, 2026501-1,000230 contacts →

Indirect evidence

“Tech Etch has over five decades of experience and expertise specializing in manufacturing precision engineered thin metal components, flexible printed circuits, and EMI/RFI…”

Source: RevenueBase Database · checked Sep 30, 2026
3Indirect evidenceBurlington, MA, United StatesHQ checked Sep 30, 2026201-500182 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 30, 2026
4Partial evidenceWoburn, MA, United StatesHQ checked Sep 30, 2026501-1,000123 contacts →

Partial evidence

“Parker Chomerics, a Division of Parker Hannifin, is a total solutions provider of EMI Shielding, Thermal Management, Integrated Display Products, Engineered Plastics and Metal…”

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceBuenos Aires, ArgentinaHQ checked Sep 30, 202651-20080 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
6Partial evidenceHallsberg, SwedenHQ checked Sep 30, 2026501-1,00067 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
7Indirect evidenceTampa, FL, United StatesHQ checked Sep 30, 202651-20056 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
8Strong evidenceSauget, IL, United StatesHQ checked Sep 30, 202651-20056 contacts →

Strong evidence

“Universal Air Filter Company ("UAF") designs and manufactures custom air filters and EMI shielding products used to protect commercial equipment and electronics enclosures.”

Source: RevenueBase Database · checked Sep 30, 2026
9Indirect evidenceMehren, GermanyHQ checked Sep 30, 2026201-50049 contacts →

Indirect evidence

“The apra Group: innovative housings and cabinets made of metal and plastic in injection molding, deep-drawing or milling-bending technology - even without tooling costs.”

Source: RevenueBase Database · checked Sep 30, 2026
10Strong evidenceChennai, IndiaHQ checked Sep 30, 202611-5049 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
11Indirect evidenceWilloughby, OH, United StatesHQ checked Sep 30, 202651-20047 contacts →

Indirect evidence

“Founded in 1928, Bud Industries, Inc.”

Source: RevenueBase Database · checked Sep 30, 2026
12Partial evidenceBangalore, IndiaHQ checked Sep 30, 202611-5045 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
13Partial evidenceHagerstown, MD, United StatesHQ checked Sep 30, 202651-20039 contacts →

Partial evidence

“Electromet provides comprehensive world class solutions in the field of electronic packaging products and precision metal components for naval, fixed and mobile installations.”

Source: RevenueBase Database · checked Sep 30, 2026
14Strong evidenceTonbridge, United KingdomHQ checked Sep 30, 202651-20037 contacts →

Strong evidence

“Magnetic Shields Limited is a world leader in the manufacture of magnetic shielding technology.”

Source: RevenueBase Database · checked Sep 30, 2026
15Partial evidenceScunthorpe, United KingdomHQ checked Sep 30, 202651-20037 contacts →

Partial evidence

“Alpha 3 Manufacturing Limited is the parent company of two manufacturing businesses- DEM Manufacturing (Lincolnshire) incorporating- Deltron Enclosures of Electronic Enclosures -…”

Source: RevenueBase Database · checked Sep 30, 2026
16Indirect evidenceHägendorf, SwitzerlandHQ checked Sep 30, 202651-20037 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 30, 2026
17Strong evidenceRochester, NY, United StatesHQ checked Sep 30, 2026201-50033 contacts →

Strong evidence

“Schlegel Electronic Materials (SEM) invented highly conductive fabric over foam shielding gaskets in 1987, marking a major breakthrough for the electromagnetic interference…”

Source: RevenueBase Database · checked Sep 30, 2026
18Partial evidenceAlby, SwedenHQ checked Sep 30, 202651-20032 contacts →

Partial evidence

“Electric and electronic equipment is at the heart of every modern business.”

Source: RevenueBase Database · checked Sep 30, 2026
19Partial evidenceNattheim, GermanyHQ checked Sep 30, 202611-5032 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 30, 2026
20Partial evidenceFort Worth, TX, United StatesHQ checked Sep 30, 202611-5032 contacts →

Partial evidence

“Advanced manufacturers design and build complex products with detailed specifications, tight tolerances and little room for error.”

Source: RevenueBase Database · checked Sep 30, 2026
21Partial evidenceLa Trinité Sur Mer, FranceHQ checked Sep 30, 202611-5031 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
22Indirect evidenceOldbury, United KingdomHQ checked Sep 30, 202651-20030 contacts →

Indirect evidence

“ACT is UK’s premier industrial coating company with manufacturing sites based in the West Midlands.”

Source: RevenueBase Database · checked Sep 30, 2026
23Indirect evidenceOttawa, ON, CanadaHQ checked Sep 30, 202651-20029 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
24Partial evidenceUnited StatesHQ checked Sep 30, 20261,001-5,00028 contacts →

Partial evidence

“Laird Tech is a company specialized in manufacturing electronic shields and ground spring”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceNorth Salt Lake, UT, United StatesHQ checked Sep 30, 202651-20027 contacts →

Indirect evidence

“For more than 90 years, ZERO Manufacturing has been the trusted name in mission-critical protection.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 367 electronic shielding manufacturers worldwide

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Electronic shielding manufacturers worldwide at a glance

As of Sep 30, 2026
32.8%Verified-email coverage
11.0Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Ottawa
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
124
11-50
151
51-200
70
201-500
11
501-1,000
6
1,001-5,000
3
5,001-10,000
2

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among electronic shielding manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for electronic shielding manufacturers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “electronic shielding manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electronic shielding manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among electronic shielding manufacturers, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,327 across the full list. 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 September 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Electronic shielding manufacturers by location

2 lists · largest first

Every Electronic shielding manufacturers 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electronic shielding manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many electronic shielding manufacturers are there worldwide?

RevenueBase identified 367 electronic shielding manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

BAL Seal Engineering, headquartered in Foothill Ranch, tops this list with the largest team on record.

Which country has the most electronic shielding manufacturers?

The United States leads with 108 companies, followed by the United Kingdom (39). Every electronic shielding manufacturers list by country and city is linked on this page.

Which city has the most electronic shielding manufacturers?

Ottawa leads with 6 headquartered companies, followed by Shenzhen (5) and Bangalore (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,327 verified decision-maker contacts tracked across these 367 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.