Company lists · Data refreshed November 2026

Top 25 Microelectronics testing services based in the United States

RevenueBase identified 311 company matches for microelectronics testing services associated with the United States as of November 2026 and tracks 16,783 professional contacts across them, including 5,073 with verified work emails. San Jose is the largest hub.

This list covers company matches for microelectronics testing 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
311Companies
16,783Contacts tracked
5,073Verified emails
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The 25 largest microelectronics testing services based in the United States

Ranked by team size
Top 25 of 311 company matches for microelectronics testing 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 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 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
3Exact matchSan Diego, NY, United StatesHQ recorded Nov 6, 20261,001-5,000613 contacts →

Exact match

“When it comes to understanding the physical structure, chemical properties and performance of advanced materials and integrated circuitry, no other scientific services company…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchApopka, FL, United StatesHQ recorded Nov 6, 2026501-1,000511 contacts →

Exact match

“Micross is the most complete provider of advanced microelectronic services and component, die and wafer solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
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 matchVan Nuys, CA, United StatesHQ recorded Nov 6, 2026501-1,000156 contacts →

Exact match

“Founded in 1958, Trio-Tech International (NYSE MKT: TRT) is a leading provider of semiconductor testing services, manufacturing solutions, and value-added distribution services.”

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 matchFremont, CA, United StatesHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“ISE Labs is a one-stop semiconductor engineering service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHuntsville, AL, United StatesHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Strata-G Solutions provides unrivaled competency in test-system engineering to both commercial and military customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact 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
16Exact matchRichardson, TX, United StatesHQ recorded Nov 6, 2026201-50067 contacts →

Exact match

“Delivering world-class electronic test and testability solutions around the globe in semiconductor, systems and functional testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFremont, CA, United StatesHQ recorded Nov 6, 2026201-50063 contacts →

Exact match

“DCG Systems is the leading supplier of equipment that enables localization and characterization of electrical faults in integrated circuits, packages and board assemblies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFremont, CA, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Bema Electronics is a premier provider of electronics manufacturing services offering our customers the most advanced techniques in surface mount technology, ball-grid array…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchMilpitas, CA, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Six Sigma Microelectronics, part of Winslow Automation, Inc, has over 35 years of experience providing high-reliability integrated circuit solutions for military and space…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMadison, AL, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“STI Electronics, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNapa, CA, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“Kiwa PVEL is the leading reliability and performance testing lab for downstream solar project developers, financiers, and asset owners around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNewark, CA, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Infinita Lab is the Materials SuperLab, the one-stop testing concierge for R&D, QC, regulatory, and failure-analysis programs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Founded in 1991 in Silicon Valley, California, QualiTau is a leading provider of advanced reliability test equipment and services for the semiconductor industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBeaverton, OR, United StatesHQ recorded Nov 6, 2026201-50041 contacts →

Exact match

“Axiometrix Solutions is a leading provider in the test and measurement space.”

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

Showing 25 of 311 microelectronics testing services based in the United States

See the full list, filter by size, metro and specialty, and access 5,073 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Microelectronics testing services based in the United States at a glance

As of Nov 6, 2026
30.2%Verified-email coverage
54.0Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · San Jose
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
123
11-50
110
51-200
42
201-500
16
501-1,000
8
1,001-5,000
7
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 311 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 “microelectronics testing 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 5,073 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 “microelectronics testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many microelectronics testing services are there based in the United States?

RevenueBase identified 311 company matches for microelectronics testing 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?

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 microelectronics testing services?

San Jose leads with 13 company records, followed by Fremont (12) and Santa Clara (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 5,073 professional contacts with verified work emails tracked across these 311 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.

Ready to reach these companies? Verified emails and direct dials for all 311 microelectronics testing services based in the United States. Start with a free account, no credit card.

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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.