Company lists · Data refreshed November 2026

Top 25 Microelectronics testing services worldwide

RevenueBase identified 1,379 company matches for microelectronics testing services worldwide as of November 2026 and tracks 48,617 professional contacts across them, including 12,957 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for microelectronics 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 microelectronics 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
1,379Companies
48,617Contacts tracked
12,957Verified emails
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The 25 largest microelectronics testing services worldwide

Ranked by team size
Top 25 of 1,379 company matches for microelectronics 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 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 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
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact matchUnited StatesHQ recorded Nov 6, 202610001+557 contacts →

Exact match

Recorded description not available.

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 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
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 matchMontigny Le Bretonneux, FranceHQ recorded Nov 6, 2026501-1,000471 contacts →

Exact match

“We provide global testing services for automotive, aeronautic & defence industries : we perform environmental, mechanical, EMC and electrical tests.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSurrey, BC, CanadaHQ recorded Nov 6, 2026201-500462 contacts →

Exact match

“One of the largest testing and research labs in North America, Powertech is home to a broad range of scientists, engineers, and technical specialists from around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200455 contacts →

Exact match

“Flex Tronics Service Provider of SMT Electronic Manufacturing Service, Automotive Solutions, Products Health Diagnostics Equipment, Electronic Component Manufacturing Services and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact match高雄市, TaiwanHQ recorded Nov 6, 20265,001-10,000418 contacts →

Exact match

“History OSE was established with capital from Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact 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
21Exact 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
22Exact matchVirum, DenmarkHQ recorded Nov 6, 20261,001-5,000278 contacts →

Exact match

“This page represents a legacy brand that is now part of HBK (Hottinger Brüel & Kjær).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchBengaluru South, IndiaHQ recorded Nov 6, 202651-200246 contacts →

Exact match

“SIENNA ECAD is one of India's leading PCB design/analysis engineering company located in Bangalore, India.”

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

Showing 25 of 1,379 microelectronics testing services worldwide

See the full list, filter by size, metro and specialty, and access 12,957 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Microelectronics testing services worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
35.3Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
521
11-50
461
51-200
236
201-500
71
501-1,000
29
1,001-5,000
34
5,001-10,000
8
10001+
6

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 microelectronics testing services are linked below.
What qualifies
Company records worldwide 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. 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 12,957 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.

Microelectronics testing services by location

10 lists · largest first

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

How many microelectronics testing services are there worldwide?

RevenueBase identified 1,379 company matches for microelectronics 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 microelectronics testing services?

The United States leads with 311 companies, followed by India (127) and Germany (109). Every microelectronics testing services list by country and city is linked on this page.

Which city has the most microelectronics testing services?

Bangalore leads with 35 company records, followed by Shenzhen (14) and San Jose (13).

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 12,957 professional contacts with verified work emails tracked across these 1,379 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.