Company lists · Data refreshed November 2026

Top 24 Component testing companies based in the United States

RevenueBase identified 199 company matches for component testing companies associated with the United States as of November 2026 and tracks 37,120 professional contacts across them, including 12,107 with verified work emails. San Jose is the largest hub.

This list covers company matches for component 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
199Companies
37,120Contacts tracked
12,107Verified emails
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The 24 largest component testing companies based in the United States

Ranked by team size
Top 24 of 199 company matches for component 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 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
2Exact 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
3Exact matchBönnigheim, IN, United StatesHQ recorded Nov 6, 20261,001-5,000494 contacts →

Exact match

“Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchSan Ramon, HI, United StatesHQ recorded Nov 6, 2026201-500208 contacts →

Exact match

“At Consolidated Engineering Laboratories (CEL) we consider ourselves more than a Testing Laboratory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“DIT-MCO International's proven automated product testing solutions for wired assemblies provide reliable service to industrial, commercial, and military customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchAlbany, NY, United StatesHQ recorded Nov 6, 2026n/a79 contacts →

Exact match

“IMPORTANT UPDATE - As you know, we are now part of UL.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchAkron, OH, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“ARDL is an A2LA ISO 17025:2017 accredited, ISO 9001:2015 registered, FDA and ISO 13485:2016 compliant independent testing laboratory specializing in rubber, plastic and latex.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“In business since 1945, NSL is an ISO/IEC 17025, Nadcap certified, ASME NQA-1, 10 CFR 50 Appendix B (Nuclear) Certified Independent Commercial Testing Laboratory providing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSandy Hook, CT, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLatrobe, PA, United StatesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.”

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 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
19Exact matchSimi Valley, CA, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Committed to the mission success of our Military, Aerospace, Commercial, and Medical industry customers for over 30 years, DPACI is your one source qualified to provide a Turn-Key…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Since its founding in 1975, TRI has grown to 13 wholly-owned subsidiaries employing over 120 scientists, engineers, technicians, and support personal around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWestfield, IN, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Ball Systems designs, develops, and delivers custom test systems and produces comprehensive build-to-print systems for companies creating or manufacturing critical electronic or…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSpokane, WA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Hi-Rel Laboratories specializes in testing services for electronic components and assemblies primarily used in the aeronautics industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLargo, FL, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Measurement - Analysis - Solution Analytical Services Laboratory Constellation Technology Corporation has been providing world-class analytical services from the Tampa Bay area…”

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

Showing 24 of 199 component testing companies based in the United States

See the full list, filter by size, metro and specialty, and access 12,107 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Component testing companies based in the United States at a glance

As of Nov 6, 2026
32.6%Verified-email coverage
186.5Average contacts per company
11-50Median size (employees)
3.5%Largest-city concentration · San Jose
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
78
51-200
26
201-500
11
501-1,000
7
1,001-5,000
2
5,001-10,000
1
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 199 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 “component 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 12,107 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 “component testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 199 company matches for component 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?

NI National Instruments tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most component testing companies?

San Jose leads with 7 company records, followed by Austin (6) and San Diego (4).

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 12,107 professional contacts with verified work emails tracked across these 199 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.