Company lists · Data refreshed November 2026

Top 25 Electronics testing and inspection companies based in the United States

RevenueBase identified 938 company matches for electronics testing and inspection companies associated with the United States as of November 2026 and tracks 71,112 professional contacts across them, including 24,116 with verified work emails. Houston is the largest hub.

This list covers company matches for electronics testing and inspection 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
938Companies
71,112Contacts tracked
24,116Verified emails
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The 25 largest electronics testing and inspection companies based in the United States

Ranked by team size
Top 25 of 938 company matches for electronics testing and inspection 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 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 matchFishers, IN, United StatesHQ recorded Nov 6, 20261,001-5,0001,663 contacts →

Exact match

“Stratosphere Quality, founded in 2009, is a major global provider of quality assurance and outsourcing solutions, such as sorting and inspection services, to manufacturers of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLivermore, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,639 contacts →

Exact match

“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMarietta, GA, United StatesHQ recorded Nov 6, 20261,001-5,000961 contacts →

Exact match

“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchMaryland Heights, MI, United StatesHQ recorded Nov 6, 2026501-1,000678 contacts →

Exact match

“Electric Power Systems is an independent electrical testing & engineering organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 2026501-1,000662 contacts →

Exact match

“Doble is the world’s most trusted brand in electrical diagnostics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSterling Heights, SC, United StatesHQ recorded Nov 6, 20261,001-5,000510 contacts →

Exact match

“Vayan Group, LLC is a leading provider of technology-driven quality assurance solutions for OEMs, Tier 1 and Tier 2 suppliers across the automotive, aerospace, electronics…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWaltham, MA, United StatesHQ recorded Nov 6, 2026501-1,000474 contacts →

Exact match

“Evident Inspection Technologies designs and manufactures advanced solutions that help inspection professionals find what’s hidden, verify what’s critical, and move forward with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChandler, PA, United StatesHQ recorded Nov 6, 2026201-500375 contacts →

Exact match

“Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTomball, TX, United StatesHQ recorded Nov 6, 20265,001-10,000366 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGray, TX, United StatesHQ recorded Nov 6, 2026201-500355 contacts →

Exact match

“NVI is a provider of industrial NDT solutions catering to companies with critical infrastructure needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPoway, CA, United StatesHQ recorded Nov 6, 20261,001-5,000319 contacts →

Exact match

“Cohu is a publicly traded (NASDAQ: COHU) global company with headquarters in Poway, CA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWesterville, SC, United StatesHQ recorded Nov 6, 2026201-500270 contacts →

Exact match

“In business since 1971, Electrical Reliability Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchLeague City, TX, United StatesHQ recorded Nov 6, 2026201-500200 contacts →

Exact match

“PK Technical & Inspection is an advanced non-destructive testing and inspection company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 2026201-500191 contacts →

Exact match

“Twining has continued to expand and evolve since its inception more than a century ago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKaty, United StatesHQ recorded Nov 6, 2026201-500186 contacts →

Exact match

“UTQuality is a global industrial engineering company specializing in groundbreaking non-destructive testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLongview, KS, United StatesHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“XCEL is an industrial inspection company with a unique blend of services focused on your compliance needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPasadena, TX, United StatesHQ recorded Nov 6, 2026501-1,000179 contacts →

Exact match

“The TechCorr name is synonymous with safe, quality inspection services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSouth Pasadena, CA, United StatesHQ recorded Nov 6, 2026n/a173 contacts →

Exact match

“Elementary helps Fortune 500 manufacturers automate inspection, increase production yield, and achieve measurable ROI in less than 6 months.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026501-1,000170 contacts →

Exact match

“GES is among the global leaders in automation, test and measurement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 2026201-500165 contacts →

Exact match

“Smith-Emery has been providing inspection and materials testing services for public agencies and private companies for the past 113 years.”

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

Showing 25 of 938 electronics testing and inspection companies based in the United States

See the full list, filter by size, metro and specialty, and access 24,116 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electronics testing and inspection companies based in the United States at a glance

As of Nov 6, 2026
33.9%Verified-email coverage
75.8Average contacts per company
11-50Median size (employees)
5.0%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
357
11-50
364
51-200
122
201-500
52
501-1,000
20
1,001-5,000
13
5,001-10,000
2
10001+
6

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 938 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 “electronics testing and inspection 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 24,116 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.

Electronics testing and inspection companies by metro

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

How many electronics testing and inspection companies are there based in the United States?

RevenueBase identified 938 company matches for electronics testing and inspection 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?

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

Which city has the most electronics testing and inspection companies?

Houston leads with 47 company records, followed by San Jose (16) and Austin (12).

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 24,116 professional contacts with verified work emails tracked across these 938 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.