Company lists · Data refreshed November 2026

Top 25 Integrated circuit testing services worldwide

RevenueBase identified 614 company matches for integrated circuit testing services worldwide as of November 2026 and tracks 47,714 professional contacts across them, including 11,583 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for integrated circuit testing services 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 integrated circuit testing services 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
614Companies
47,714Contacts tracked
11,583Verified emails
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The 25 largest integrated circuit testing services worldwide

Ranked by team size
Top 25 of 614 company matches for integrated circuit testing services 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 matchTempe, United StatesHQ recorded Nov 6, 202610001+7,128 contacts →

Exact match

“Amkor Technology, Inc.(Nasdaq: AMKR) is the world’s largest U.S-headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchBangalore, IndiaHQ recorded Nov 6, 20261,001-5,0002,997 contacts →

Exact match

“Tessolve offers a unique combination of pre-silicon and post-silicon expertise to provide an efficient turnkey solution for silicon bring-up, and spec to the product.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchSingaporeHQ recorded Nov 6, 202610001+1,793 contacts →

Exact match

“UTAC Group Holdings Ltd (“UTAC Group”) is a leading independent provider of assembly and test services for a broad range of integrated circuits with diversified end uses…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact 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
12Exact 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
13Exact 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
14Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000446 contacts →

Exact match

“ATEC is driven by our vision of being the strategic partner to our customers, focusing on customized service and offering a consistently first-rate and dynamic range of technical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchChutung Chen, TaiwanHQ recorded Nov 6, 20261,001-5,000321 contacts →

Exact match

“1988(OSAT, Outsourced Semiconductor Assembly and Test Services)30 WLCSP)(Bump)(Flip Chip)(Window BGA wBGA)IC 200345388 115,1006(OSAT Group)202112 2023 2023RBA 2023- 2023TTQS 2023…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
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 matchSanta Clara, United StatesHQ recorded Nov 6, 2026201-500232 contacts →

Exact match

“GRL is the world’s leading Engineering Services firm helping engineers solve difficult hardware design and validation challenges in adopting digital interface technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
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 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
24Exact 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
25Exact matchCarros, FranceHQ recorded Nov 6, 2026501-1,000147 contacts →

Exact match

“Founded in 1986 and headquartered in Carros, France, Synergie Cad has been designing and manufacturing Semiconductor Test Solutions for the world’s most complex Test applications…”

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

Showing 25 of 614 integrated circuit testing services worldwide

See the full list, filter by size, metro and specialty, and access 11,583 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Integrated circuit testing services worldwide at a glance

As of Nov 6, 2026
24.3%Verified-email coverage
77.7Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
206
11-50
180
51-200
115
201-500
35
501-1,000
26
1,001-5,000
30
5,001-10,000
9
10001+
11

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 integrated circuit testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “integrated circuit 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. 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 11,583 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.

Integrated circuit testing services by location

5 lists · largest first

Every Integrated circuit testing services 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 “integrated circuit testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many integrated circuit testing services are there worldwide?

RevenueBase identified 614 company matches for integrated circuit testing services 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 integrated circuit testing services?

The United States leads with 146 companies, followed by China (57) and India (49). Every integrated circuit testing services list by country and city is linked on this page.

Which city has the most integrated circuit testing services?

Bangalore leads with 17 company records, followed by Santa Clara (11) and Singapore (11).

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 11,583 professional contacts with verified work emails tracked across these 614 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.