Company lists · Data refreshed September 2026

Top 15 Semiconductor testing companies based in Malaysia

RevenueBase identified 46 semiconductor testing companies headquartered in Malaysia as of September 2026 and tracks 5,535 professional contacts across them, including 405 with verified work emails. Bayan Lepas is the largest hub.

This list covers semiconductor testing companies headquartered in Malaysia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
46Companies
5,535Contacts tracked
405Verified emails
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The 15 largest semiconductor testing companies based in Malaysia

Ranked by team size
Top 15 of 46 semiconductor testing companies based in Malaysia, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to semiconductor testing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceKuala Lumpur, MalaysiaHQ checked Sep 17, 20265,001-10,0001,109 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceIpoh, MalaysiaHQ checked Sep 17, 20265,001-10,0001,071 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 17, 2026
3Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 20261,001-5,000652 contacts →

Indirect evidence

“A Success Enabler ASE Electronics (M) Sdn.”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceMelaka, MalaysiaHQ checked Sep 17, 2026501-1,000440 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 202651-200199 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 2026201-500172 contacts →

Partial evidence

“Mi Equipment is a Leading Semiconductor Equipment Solutions Provider, offering advanced AI Enabled Die Sorting & Smart Binning, Wafer Reconstruction, Precision Bonding, Laser…”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidencePetaling Jaya, MalaysiaHQ checked Sep 17, 20261,001-5,000151 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceBatu Maung, MalaysiaHQ checked Sep 17, 2026201-500140 contacts →

Partial evidence

“SRM Integration (Malaysia) Sdn Bhd is one of the world's leading suppliers and solutions providers of semiconductors and advanced standard hi-speed test handlers.”

Source: RevenueBase Database · checked Sep 17, 2026
9Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 202651-20071 contacts →

Indirect evidence

“Micro Modular System Sdn.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 202611-5033 contacts →

Indirect evidence

“Contacthings specializes in design and supply of innovative and cost-effective Test Automation, Test Instruments, and Lab Infrastructure Solutions.”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 202611-5028 contacts →

Indirect evidence

“It started with an idea, and in 2014 the team decided to enter a Bootstrap Tech Startup program.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceJohor Bahru, MalaysiaHQ checked Sep 17, 202651-20016 contacts →

Partial evidence

“We provide a vast array of printed circuit boards to the following key markets- Semiconductor burn-in and ATE boards - Networking / Telecom - Computing / Cloud Infrastructure -…”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceMalim, MalaysiaHQ checked Sep 17, 202611-5014 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026
14Partial evidenceBayan Lepass, MalaysiaHQ checked Sep 17, 202651-2005 contacts →

Partial evidence

“LD Microprecision design and manufacture high quality precision tools for the semiconductor / electronic industry.”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 17, 202611-503 contacts →

Indirect evidence

“R&M Electronics was founded in 2010 in Penang, Malaysia.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 15 of 46 semiconductor testing companies based in Malaysia

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Semiconductor testing companies based in Malaysia at a glance

As of Sep 17, 2026
7.3%Verified-email coverage
120.3Average contacts per company
51-200Median size (employees)
26.1%Largest-city concentration · Bayan Lepas
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
4
11-50
12
51-200
19
201-500
4
501-1,000
1
1,001-5,000
4
5,001-10,000
2

Email recency for this list is measured worldwide rather than for Malaysia, so it is reported there. Company counts and contact totals on this page are exact for Malaysia, over 46 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among semiconductor testing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Malaysia whose own description of what they do matches “semiconductor testing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names semiconductor testing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among semiconductor testing companies, and records with no verified work email. Companies headquartered outside Malaysia are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 405 across the full list. 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 September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names semiconductor testing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many semiconductor testing companies are there based in Malaysia?

RevenueBase identified 46 semiconductor testing companies headquartered in Malaysia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Unisem, headquartered in Kuala Lumpur, tops this list with the largest team on record.

Which city has the most semiconductor testing companies?

Bayan Lepas leads with 12 headquartered companies, followed by Penang (4) and Batu Kawan (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 405 verified decision-maker contacts tracked across these 46 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.