Company lists · Data refreshed September 2026

Top 25 Electronics assembly services worldwide

RevenueBase identified 3,630 electronics assembly services worldwide as of September 2026 and tracks 89,815 professional contacts across them, including 15,020 with verified work emails and 0 with mobile numbers. The United States is the largest market and Shenzhen the largest hub.

This list covers electronics assembly services worldwide, 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 16, 2026. Country and city lists for electronics assembly services follow the table.

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 16, 2026 86% judged on-target in blind review
3,630Companies
89,815Contacts tracked
15,020Verified emails
0Mobile numbers
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The 25 largest electronics assembly services worldwide

Ranked by team size
Top 25 of 3,630 electronics assembly services worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to electronics assembly services: 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 evidenceNoida, IndiaHQ checked Sep 16, 202610001+3,595 contacts →

Partial evidence

“Dixon Technologies (India) Limited has been leading the electronic manufacturing services (EMS) space in India.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceJasper, IN, United StatesHQ checked Sep 16, 20265,001-10,0002,192 contacts →

Partial evidence

“Kimball Electronics was founded in 1961.”

Source: RevenueBase Database · checked Sep 16, 2026
3Partial evidenceChennai, IndiaHQ checked Sep 16, 20265,001-10,0002,005 contacts →

Partial evidence

“Syrma SGS specializes in collaboration: whether you’re an iconic brand or a visionary startup, we’ll partner with your product team to deliver top-notch electronics manufacturing…”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceSt.-cloud, FranceHQ checked Sep 16, 20265,001-10,0001,534 contacts →

Partial evidence

“Asteelflash is a global leader in Electronic Manufacturing Services (EMS) and Supply-Chain Management solutions, part of USI (SSE: 601231), Universal Scientific Industrial…”

Source: RevenueBase Database · checked Sep 16, 2026
5Indirect evidenceChennai, IndiaHQ checked Sep 16, 20261,001-5,0001,438 contacts →

Indirect evidence

“For 20+ years, Avalon Technologies, has been a choice for large global MNC companies that are into Medical, Telecommunication, Railways, Power, Aerospace & Defense and Industrial…”

Source: RevenueBase Database · checked Sep 16, 2026
6Strong evidenceKuala Lumpur, MalaysiaHQ checked Sep 16, 20265,001-10,0001,109 contacts →

Strong 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 16, 2026
7Indirect evidenceMeung-sur-loire, FranceHQ checked Sep 16, 20261,001-5,000995 contacts →

Indirect evidence

“EMS EXCELLENCE IN AUTOMOTIVE & INDUSTRIAL MANUFACTURING As a leading multi-sector EMS, flexibility and responsiveness inspire the ALL Circuits teams every day.”

Source: RevenueBase Database · checked Sep 16, 2026
8Partial evidenceMelbourne, FL, United StatesHQ checked Sep 16, 20261,001-5,000971 contacts →

Partial evidence

“SMTC is a global Electronics Manufacturing Services (EMS) provider, delivering fully integrated and customized contract manufacturing services.”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceSpokane Valley, WA, United StatesHQ checked Sep 16, 20261,001-5,000819 contacts →

Indirect evidence

“Keytronic is a value-added contract manufacturer to some of the world’s leading OEMs.”

Source: RevenueBase Database · checked Sep 16, 2026
10Indirect evidenceDinan, FranceHQ checked Sep 16, 20261,001-5,000758 contacts →

Indirect evidence

“Cordon Group was founded in 1989 by its CEO, Serge CORDON in Dinan (France) where the head office is located as well as one of its main repair centres.”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidenceBayan Lepas, MalaysiaHQ checked Sep 16, 20261,001-5,000669 contacts →

Indirect evidence

“Our Mission - Enabling customer success by delivering innovative products that move the world forward.”

Source: RevenueBase Database · checked Sep 16, 2026
12Partial evidenceBayan Lepas, MalaysiaHQ checked Sep 16, 20261,001-5,000652 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
13Partial evidenceChatsworth, CA, United StatesHQ checked Sep 16, 20261,001-5,000641 contacts →

Partial evidence

“NEOTech is a premier provider of electronic manufacturing services (EMS), integrated design engineering, and advanced supply chain solutions for the aerospace and defense, medical…”

Source: RevenueBase Database · checked Sep 16, 2026
14Partial evidenceHawthorne, CA, United StatesHQ checked Sep 16, 20261,001-5,000634 contacts →

Partial evidence

“OSI Electronics is a global Manufacturing Solutions provider headquartered in Hawthorne, CA, and Singapore.”

Source: RevenueBase Database · checked Sep 16, 2026
15Indirect evidenceCoimbatore, IndiaHQ checked Sep 16, 2026501-1,000629 contacts →

Indirect evidence

“Caliber Interconnect is an ISO 9001 certified design house serving to product-based technology business activities that need design and engineering expertise on a flexible basis…”

Source: RevenueBase Database · checked Sep 16, 2026
16Partial evidenceNewark, NY, United StatesHQ checked Sep 16, 2026n/a563 contacts →

Partial evidence

“IEC Electronics, acquired by Creation Technologies in 2021, is a provider of electronic manufacturing services ("EMS") to advanced technology companies that produce life-saving…”

Source: RevenueBase Database · checked Sep 16, 2026
17Partial evidenceLomagna, ItalyHQ checked Sep 16, 20261,001-5,000521 contacts →

Partial evidence

“Elemaster stands out in the competitive scenario as Mechatronics Service Provider, offering to its own Customers services of design and manufacture of high-tech electronic…”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceGurgaon, IndiaHQ checked Sep 16, 20261,001-5,000429 contacts →

Indirect evidence

“SGS Tekniks Manufacturing Pvt.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceSunnyvale, CA, United StatesHQ checked Sep 16, 2026501-1,000428 contacts →

Indirect evidence

“Sierra Circuits has been faithfully serving PCB designers and engineers since 1986, and has worked with over customers since then.”

Source: RevenueBase Database · checked Sep 16, 2026
20Strong evidenceWestford, MA, United StatesHQ checked Sep 16, 20261,001-5,000405 contacts →

Strong evidence

“Mack Technologies is a leading supplier of printed circuit board assembly, systems assembly, and electronics contract manufacturing services for the defense, communications…”

Source: RevenueBase Database · checked Sep 16, 2026
21Partial evidenceKampenhout, BelgiumHQ checked Sep 16, 20261,001-5,000404 contacts →

Partial evidence

“With almost 40 years of experience, Connect Group is one of the leading service providers regarding cable, PCB- and module assembly.”

Source: RevenueBase Database · checked Sep 16, 2026
22Indirect evidenceGhaziabad, IndiaHQ checked Sep 16, 20261,001-5,000395 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
23Partial evidenceElk Grove Village, IL, United StatesHQ checked Sep 16, 20261,001-5,000391 contacts →

Partial evidence

“Service-Driven Electronics Manufacturing.”

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceZurich, SwitzerlandHQ checked Sep 16, 20261,001-5,000365 contacts →

Indirect evidence

“On 3 October 2022 Enics merged with GPV.”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidence高雄市, TaiwanHQ checked Sep 16, 20265,001-10,000348 contacts →

Indirect evidence

“History OSE was established with capital from Dr.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 3,630 electronics assembly services worldwide

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Electronics assembly services worldwide at a glance

As of Sep 16, 2026
16.7%Verified-email coverage
24.7Average contacts per company
11-50Median size (employees)
6.5%Largest-city concentration · Shenzhen
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
1,050
11-50
1,254
51-200
777
201-500
305
501-1,000
119
1,001-5,000
81
5,001-10,000
11
10001+
8

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 electronics assembly services, 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.
Coverage
22 countries, largest first: the United States, China, India, Germany, the United Kingdom, Italy, France, Canada, Spain, Brazil and 12 more. Country and city lists for electronics assembly services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “electronics assembly services”. 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 electronics assembly services), 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 electronics assembly services, and records with no verified work email.
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, 15,020 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 16, 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.

Electronics assembly services by location

22 lists · largest first

Every Electronics assembly 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 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 electronics assembly services, 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 electronics assembly services are there worldwide?

RevenueBase identified 3,630 electronics assembly services worldwide 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?

Dixon Technologies India Limited, headquartered in Noida, tops this list with the largest team on record.

Which country has the most electronics assembly services?

The United States leads with 902 companies, followed by China (461) and India (366). Every electronics assembly services list by country and city is linked on this page.

Which city has the most electronics assembly services?

Shenzhen leads with 236 headquartered companies, followed by Bangalore (63) and San Jose (38).

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 15,020 verified decision-maker contacts tracked across these 3,630 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 16, 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.