Company lists · Data refreshed November 2026

Top 21 Device testing and validation services based in the United States

RevenueBase identified 259 company matches for device testing and validation services associated with the United States as of November 2026 and tracks 27,338 professional contacts across them, including 9,598 with verified work emails. San Jose is the largest hub.

This list covers company matches for device testing and validation services 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
259Companies
27,338Contacts tracked
9,598Verified emails
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The 21 largest device testing and validation services based in the United States

Ranked by team size
Top 21 of 259 company matches for device testing and validation services 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 matchNorthbrook, NC, United StatesHQ recorded Nov 6, 202610001+13,154 contacts →

Exact match

“A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20265,001-10,0007,474 contacts →

Exact match

“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBoxborough, CA, United StatesHQ recorded Nov 6, 2026501-1,000763 contacts →

Exact match

“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 202651-200419 contacts →

Exact match

“For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAkron, VA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMonrovia, CA, United StatesHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

“Parasoft helps organizations continuously deliver quality software with its market-proven, integrated suite of automated software testing tools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchBoise, ID, United StatesHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“AI writes code faster than your team can review it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchMaple Grove, CA, United StatesHQ recorded Nov 6, 2026201-500143 contacts →

Exact match

“Circuit Check is a leading provider of automated test systems and test fixtures for complex electronic products for the automotive, military/aerospace, medical, industrial, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNY, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“RTTS is the premier pure-play QA & Testing organization that specializes in Test Automation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“WESTPAK, Inc, a leading 3rd-party independent testing laboratory, provides trusted solutions for the medical device, pharmaceutical, and high-tech industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“PLUS QA makes software testing simple.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTroy, MI, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“TRP Laboratories provides standard and custom testing services across the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLancaster, PA, United StatesHQ recorded Nov 6, 20265,001-10,00067 contacts →

Exact match

“From implants and instruments, to single-use and combination products, as well as active electronic devices, Eurofins Medical Device Services network of laboratories provides the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Since 1996, Bay Area Compliance Laboratories Corp.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Best in class QA services with years of award winning experienced staff.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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

Showing 21 of 259 device testing and validation services based in the United States

See the full list, filter by size, metro and specialty, and access 9,598 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Device testing and validation services based in the United States at a glance

As of Nov 6, 2026
35.1%Verified-email coverage
105.6Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · San Jose
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
106
11-50
86
51-200
43
201-500
10
501-1,000
6
1,001-5,000
3
5,001-10,000
3
10001+
2

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 259 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 “device testing and validation 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. 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 9,598 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 “device testing and validation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many device testing and validation services are there based in the United States?

RevenueBase identified 259 company matches for device testing and validation services 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?

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

Which city has the most device testing and validation services?

San Jose leads with 10 company records, followed by Austin (9) and Milpitas (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 9,598 professional contacts with verified work emails tracked across these 259 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.