Company lists · Data refreshed November 2026

Top 25 Electromagnetic compatibility testing companies based in the United States

RevenueBase identified 125 company matches for electromagnetic compatibility testing companies associated with the United States as of November 2026 and tracks 1,731 professional contacts across them, including 538 with verified work emails. San Jose is the largest hub.

This list covers company matches for electromagnetic compatibility testing companies 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 November 6, 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 Nov 6, 2026 How this list was built
125Companies
1,731Contacts tracked
538Verified emails
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The 25 largest electromagnetic compatibility testing companies based in the United States

Ranked by team size
Top 25 of 125 company matches for electromagnetic compatibility testing companies based in the United States, 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 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
2Exact matchBurton, IN, United StatesHQ recorded Nov 6, 2026501-1,000156 contacts →

Exact match

“Trialon is now Element!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDowners Grove, IL, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Founded in 1954, Elite Electronic Engineering, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLakewood, CO, United StatesHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Electro Magnetic Applications, Inc.(EMA) is a leader in electromagnetic simulation, testing, and consulting for aerospace, defense, automotive, and electronics industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMariposa, CA, United StatesHQ recorded Nov 6, 202611-5074 contacts →

Exact match

“Founded in 1973, CKC Laboratories offers premier EMC Testing and Design Consultation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSouderton, PA, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“AR RF/Microwave Instrumentation provides Total RF Test Solutions, by offering customers RF test instrumentation, RF test systems, EMC test software, and chambers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDamascus, OH, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“F2 Labs is an accredited, full service product conformity assessment organization founded in 1991.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMadison Heights, MI, United StatesHQ recorded Nov 6, 2026201-50042 contacts →

Exact match

“Reliable Analysis is highly regarded for its cutting-edge EMC testing of electric vehicle (EV) powertrains and other components, from both global auto manufacturers and new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew Castle, NC, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRound Rock, TX, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Starting in January of 2022, PTI becomes a part of the Nemko Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchManassas, VA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“HV TECHNOLOGIES, Inc.(HVT) is a prominent supplier of High Voltage and EMC Test Equipment and solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMilpitas, CA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Wireless Certification | Global Compliance | Precision Calibration Supporting Your Product Journey from Testing to Market Entry At HCT America, we provide dependable services in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchElkhart, IN, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“AE Techron is a recognized world leader in the design and manufacture of industrial power amplifiers, and EMC test systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNorth Billerica, MA, United StatesHQ recorded Nov 6, 202611-5026 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTipp City, OH, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“Captor Corporation is an electrical/electronic manufacturing company based out of United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNorth Hollywood, CA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“To meet the needs of our clients, Solar Electronics Company engineers are in the lab every day, designing new products and expanding our line.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRolla, MO, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“ESDEMC designs, manufactures ESD and EMC related products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMedford, NY, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFrederick, MD, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“From Compliance Testing to Problem-solving to Approvals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNewberry, United StatesHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“At Timco Engineering we provide the following services: Product Safety Testing, R & TTE, EMC and LV Directives testing for your Manufacturers Declaration of Conformity (CE)…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Founded in 2001, MiCOM Labs has established itself as a global leader in Wireless, and EMC testing and regulatory compliance certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOak Creek, WI, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Medical Equipment Compliance Associates (MECA) is an ISO 17025 accredited testing laboratory specializing in the IEC 60601-1 family of standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIrving, TX, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“AP Americas is one of the leading global manufacturers of anechoic chambers and shielded rooms for various applications in EMC, antenna testing and high-frequency technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLincoln, NE, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“NCEE Labs, founded in 1998, provides FCC, CE, and worldwide EMC/wireless testing, Product Safety, Reliability, and X-Ray testing, as well as wireless certification to large and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLake Forest, CA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Specializes in EMC testing and approvals for FCC and CE Mark compliance under the Electromagnetic Compatibility Directive.”

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

Showing 25 of 125 electromagnetic compatibility testing companies based in the United States

See the full list, filter by size, metro and specialty, and access 538 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electromagnetic compatibility testing companies based in the United States at a glance

As of Nov 6, 2026
31.1%Verified-email coverage
13.8Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · San Jose
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
69
11-50
38
51-200
14
201-500
2
501-1,000
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 125 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 “electromagnetic compatibility testing companies” 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 538 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.

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 compatibility testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electromagnetic compatibility testing companies are there based in the United States?

RevenueBase identified 125 company matches for electromagnetic compatibility testing companies associated with the United States 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?

Eurofins Electrical & Electronics North America tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most electromagnetic compatibility testing companies?

San Jose leads with 5 company records, followed by Austin (3) and Irving (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 538 professional contacts with verified work emails tracked across these 125 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.