Company lists · Data refreshed November 2026

Top 25 Semiconductor testing laboratories worldwide

RevenueBase identified 716 company matches for semiconductor testing laboratories worldwide as of November 2026 and tracks 39,884 professional contacts across them, including 10,855 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for semiconductor testing laboratories worldwide, 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. Country and city lists for semiconductor testing laboratories follow the table.

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
716Companies
39,884Contacts tracked
10,855Verified emails
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The 25 largest semiconductor testing laboratories worldwide

Ranked by team size
Top 25 of 716 company matches for semiconductor testing laboratories worldwide, 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 matchNorth Reading, United StatesHQ recorded Nov 6, 20265,001-10,0005,450 contacts →

Exact match

“Teradyne brings high-quality innovations such as smart devices, life-saving medical equipment and data storage systems to market, faster.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact match台中市, TaiwanHQ recorded Nov 6, 202610001+1,971 contacts →

Exact match

“Established in May 1984, Siliconware Precision Industries Co, Ltd.”

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 matchKuala Lumpur, CA, MalaysiaHQ recorded Nov 6, 20265,001-10,0001,291 contacts →

Exact match

“Unisem is a global provider of semiconductor assembly and test (OSAT) services for many of the world's most successful electronics companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIpoh, MalaysiaHQ recorded Nov 6, 20265,001-10,0001,212 contacts →

Exact match

“Carsem is a leading provider of turnkey packaging and test services to the semiconductor industry, and offers one of the largest package and test portfolios in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchVolpiano, ItalyHQ recorded Nov 6, 2026501-1,000795 contacts →

Exact match

“Since 1976, SPEA designs and manufactures the best automatic test equipment for Semiconductor ICs, MEMS, electronic boards and modules.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChu-nan, ChinaHQ recorded Nov 6, 20265,001-10,000755 contacts →

Exact match

“King Yuan Electronics Corp.(KYEC) provides wafer probing, final product test and assembly service for the semiconductor backend supply chain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Nov 6, 20261,001-5,000681 contacts →

Exact match

“AEM is a global leader in test innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000556 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTaoyuan City, TaiwanHQ recorded Nov 6, 20261,001-5,000555 contacts →

Exact match

“Founded in 1984, Chroma ATE Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchToulouse, FranceHQ recorded Nov 6, 20261,001-5,000500 contacts →

Exact match

“Spherea Group: A 60-Year Legacy Since 1965, the Spherea Group has built a strong legacy in test and quality solutions, rooted in the electronics activities of Aerospatiale, where…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRehovot, IsraelHQ recorded Nov 6, 20261,001-5,000436 contacts →

Exact match

“Applied Materials is the leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact match新竹市, TaiwanHQ recorded Nov 6, 20265,001-10,000286 contacts →

Exact match

“19978ICICIC back-end serviceIC 5C; ISO 9002 QS 4.5CNLA”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVila Do Conde, PortugalHQ recorded Nov 6, 202610001+278 contacts →

Exact match

“Amkor Technology is one of the world’s largest providers of outsourced semiconductor packaging and test services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchZhubei, TaiwanHQ recorded Nov 6, 20261,001-5,000263 contacts →

Exact match

“Founded in 1995 and headquartered in Hsinchu, Taiwan, MPI Corporation is a global technology leader in test and measurement solutions spanning the full integrated-circuit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchBayan Lepas, MalaysiaHQ recorded Nov 6, 202651-200200 contacts →

Exact match

“Aemulus’ core expertise is in the design, engineering, and development of automated test equipment (ATE), and test and measurement instruments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPetaling Jaya, MalaysiaHQ recorded Nov 6, 20261,001-5,000192 contacts →

Exact match

“KESM Industries Berhad Listed on the Main Market of Bursa Malaysia Securities Berhad since 1994, and headquartered in Selangor, Kuala Lumpur is the largest independent burn-in.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHsinchu, TaiwanHQ recorded Nov 6, 20261,001-5,000181 contacts →

Exact match

“Founded in 1994, iST began its business from IC circuit debugging and modification and gradually expanded its scope of operations, including Failure Analysis, Reliability…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 2026n/a178 contacts →

Exact match

“Eternal Sun B.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPalo Alto, ChinaHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“Semiconductor assembly and testing subcontractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 716 semiconductor testing laboratories worldwide

See the full list, filter by size, metro and specialty, and access 10,855 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Semiconductor testing laboratories worldwide at a glance

As of Nov 6, 2026
27.2%Verified-email coverage
55.7Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
252
11-50
207
51-200
139
201-500
40
501-1,000
24
1,001-5,000
36
5,001-10,000
7
10001+
5

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for semiconductor testing laboratories are linked below.
What qualifies
Company records worldwide 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. 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 10,855 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.

Semiconductor testing laboratories by location

6 lists · largest first

Every Semiconductor testing laboratories list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 worldwide?

RevenueBase identified 716 company matches for semiconductor testing laboratories worldwide 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 country has the most semiconductor testing laboratories?

The United States leads with 174 companies, followed by China (77) and Germany (39). Every semiconductor testing laboratories list by country and city is linked on this page.

Which city has the most semiconductor testing laboratories?

Bangalore leads with 13 company records, followed by Santa Clara (13) and Shenzhen (10).

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 10,855 professional contacts with verified work emails tracked across these 716 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.