Company lists · Data refreshed November 2026

Top 25 Semiconductor testing laboratories based in the United States

RevenueBase identified 174 company matches for semiconductor testing laboratories associated with the United States as of November 2026 and tracks 15,865 professional contacts across them, including 5,010 with verified work emails. Santa Clara is the largest hub.

This list covers company matches for semiconductor testing laboratories 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
174Companies
15,865Contacts tracked
5,010Verified emails
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The 25 largest semiconductor testing laboratories based in the United States

Ranked by team size
Top 25 of 174 company matches for semiconductor testing laboratories 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, CA, United StatesHQ recorded Nov 6, 20261,001-5,000830 contacts →

Exact match

“Cohu is the leading supplier of semiconductor test handlers and contactors, and a growing provider of automated test equipment, inspection & metrology solutions, and data…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchWichita, CA, United StatesHQ recorded Nov 6, 2026201-500236 contacts →

Exact match

“Our mission: to deliver secure, reliable, state-of-the-art semiconductors and semiconductor services with unwavering integrity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Micro Control Company is the global leader in burn-in with test systems, committed to delivering excellence and innovation for over 50 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact matchMinneapolis, CA, United StatesHQ recorded Nov 6, 2026n/a104 contacts →

Exact match

“Founded in 1991, Johnstech offers test contactors and related services with the highest electrical and mechanical performance on the market, ensuring global semiconductor…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Hiller Measurements designs, manufactures, and supports Automated Test Equipment (ATE) for complex mission critical electronics where the cost of failure is unacceptable.”

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

Exact match

“Founded in 1984, Chroma ATE, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“ElevATE is a leading supplier of innovative, low power, high density components for the design of next generation Automated Test Equipment (ATE).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“ASSET InterTech is the leading supplier of open tools for embedded instrumentation to engineers doing design validation, test and debug.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact 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
19Exact matchEagan, MN, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Ironwood Electronics offers high performance test sockets and adapters for both engineering validation and production use.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBurnsville, MN, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Celadon Systems designs and manufactures ultra high performance probe cards for the semiconductor industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchTempe, AZ, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Design, Test, Manufacture and Inspection of Integrated Circuits”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“For over 30 years, we have supported the product testing requirements of the nation's computer, fiber optics, telecommunications, medical, food, aerospace/defense, and other…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Neosem Technology Inc (Formerly Tanisys & Flexstar Technology) is a world wide leader in the technology design, sales and support of high performance, cost effective SSD and Flash…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFremont, TX, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Balazs NanoAnalysis provides accurate, timely analytical services to the semiconductor, photovoltaic, optoelectronic, disk drive, pharmaceutical, chemical, aerospace, power and…”

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

Showing 25 of 174 semiconductor testing laboratories based in the United States

See the full list, filter by size, metro and specialty, and access 5,010 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Semiconductor testing laboratories based in the United States at a glance

As of Nov 6, 2026
31.6%Verified-email coverage
91.2Average contacts per company
11-50Median size (employees)
7.5%Largest-city concentration · Santa Clara
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
67
11-50
53
51-200
27
201-500
12
501-1,000
5
1,001-5,000
8
5,001-10,000
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 174 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 “semiconductor testing laboratories” 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 5,010 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 “semiconductor testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many semiconductor testing laboratories are there based in the United States?

RevenueBase identified 174 company matches for semiconductor testing laboratories 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 semiconductor testing laboratories?

Santa Clara leads with 13 company records, followed by Austin (9) and San Diego (9).

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 5,010 professional contacts with verified work emails tracked across these 174 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.