Company lists · Data refreshed November 2026

Top 25 Ics integrated circuit testing services worldwide

RevenueBase identified 852 company matches for ics integrated circuit testing services worldwide as of November 2026 and tracks 46,017 professional contacts across them, including 12,419 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for ics 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 ics 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
852Companies
46,017Contacts tracked
12,419Verified emails
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The 25 largest ics integrated circuit testing services worldwide

Ranked by team size
Top 25 of 852 company matches for ics 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 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 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
4Exact 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
5Exact 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
6Exact matchHyderabad, IndiaHQ recorded Nov 6, 20261,001-5,0001,498 contacts →

Exact match

“MosChip® Technologies is a publicly traded company with expertise in Silicon and Product Engineering solutions, with 1300+ engineers located in Silicon Valley-USA, and India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact 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
12Exact 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
13Exact matchStuttgart, GermanyHQ recorded Nov 6, 202610001+562 contacts →

Exact match

“Innovating safety and security by creating the intelligent testing solutions that contribute to making the digitalized and connected world a safer place.”

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 matchMelaka, MalaysiaHQ recorded Nov 6, 2026501-1,000496 contacts →

Exact match

“The Only Company with the Expertise on the Entire Test Cell and Inspection We deliver leading-edge solutions to enable a smarter, safer, and more connected future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact 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
19Exact 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
20Exact 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
21Exact 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
22Exact 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
23Exact 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
24Exact 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
25Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“Radiant Semiconductors is a VLSI services firm specializing in top-tier Design Verification, DFT, Physical Design, Physical Verification, Analog Layout and Analog Circuit Design…”

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

Showing 25 of 852 ics integrated circuit testing services worldwide

See the full list, filter by size, metro and specialty, and access 12,419 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ics integrated circuit testing services worldwide at a glance

As of Nov 6, 2026
27.0%Verified-email coverage
54.0Average contacts per company
11-50Median size (employees)
4.0%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
287
11-50
261
51-200
161
201-500
48
501-1,000
30
1,001-5,000
40
5,001-10,000
10
10001+
9

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 ics integrated circuit testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “ics 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 12,419 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.

Ics integrated circuit testing services by location

6 lists · largest first

Every Ics 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

Cities

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

How many ics integrated circuit testing services are there worldwide?

RevenueBase identified 852 company matches for ics 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 ics integrated circuit testing services?

The United States leads with 184 companies, followed by India (88) and China (82). Every ics integrated circuit testing services list by country and city is linked on this page.

Which city has the most ics integrated circuit testing services?

Bangalore leads with 34 company records, followed by Singapore (15) and Hyderabad (14).

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 12,419 professional contacts with verified work emails tracked across these 852 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.