Company lists · Data refreshed November 2026

Top 25 Assembly and integration services worldwide

RevenueBase identified 4,126 company matches for assembly and integration services worldwide as of November 2026 and tracks 123,170 professional contacts across them, including 27,094 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers company matches for assembly and integration 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 assembly and integration 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
4,126Companies
123,170Contacts tracked
27,094Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest assembly and integration services worldwide

Ranked by team size
Top 25 of 4,126 company matches for assembly and integration 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 matchSan Jose, CA, United StatesHQ recorded Nov 6, 202610001+21,499 contacts →

Exact match

“Sanmina Corporation (Nasdaq: SANM) is a leading integrated manufacturing solutions provider serving the fastest-growing segments of the global Electronics Manufacturing Services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNeenah, United StatesHQ recorded Nov 6, 202610001+9,162 contacts →

Exact match

“Since 1979, Plexus has been partnering with companies to create the products that build a better world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchStuttgart, GermanyHQ recorded Nov 6, 202610001+5,579 contacts →

Exact match

“Leadec is the leading global service specialist for factories across their entire life cycle and related infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCambridge, ON, CanadaHQ recorded Nov 6, 20265,001-10,0002,912 contacts →

Exact match

“HELPING ADVANCE THE FUTURE ATS Corporation is an industry-leading automation solutions provider to many of the world's most successful companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJasper, IN, United StatesHQ recorded Nov 6, 20265,001-10,0002,273 contacts →

Exact match

“Kimball Electronics was founded in 1961.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBelgaum, IndiaHQ recorded Nov 6, 20261,001-5,0002,023 contacts →

Exact match

“Aequs is a diversified contract manufacturing company providing vertically integrated product solutions across the Aerospace, Toys and Consumer Durable Goods industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchKarlsruhe, GermanyHQ recorded Nov 6, 20265,001-10,0001,510 contacts →

Exact match

“Founded in 1996 SAS operates in 24 locations all over the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBetim, BrazilHQ recorded Nov 6, 2026201-500739 contacts →

Exact match

“A Rede Montagens Eletromecânicas é uma empresa dinâmica, pró-ativa, sempre empenhada no sucesso e evolução dos empreendimentos e seus colaboradores, a fim de proporcionar solução…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBatam, IndonesiaHQ recorded Nov 6, 20261,001-5,000718 contacts →

Exact match

“GIKEN PRECISION INDONESIA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNewark, NY, United StatesHQ recorded Nov 6, 2026n/a591 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOsaka, JapanHQ recorded Nov 6, 20265,001-10,000573 contacts →

Exact match

“SIIX Corporation is a distinctive global company which offers comprehensive Electronics Manufacturing Services (EMS) mainly to the electronics and automobile manufacturers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBayan Lepas, MalaysiaHQ recorded Nov 6, 20261,001-5,000548 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAtlanta, United StatesHQ recorded Nov 6, 20261,001-5,000486 contacts →

Exact match

“East West is a trusted Integrated Manufacturing Services (IMS) provider partnering with some of the world’s most recognizable brands and new disruptive players.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchShelby Twp., United StatesHQ recorded Nov 6, 2026501-1,000470 contacts →

Exact match

“Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBayan Lepas, MalaysiaHQ recorded Nov 6, 202651-200459 contacts →

Exact match

“Part of the SAM Group, SAM Meerkat offers a comprehensive portfolio of contract manufacturing and integration services for the global semiconductor and solar equipment industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHelsinki, FinlandHQ recorded Nov 6, 20261,001-5,000450 contacts →

Exact match

“Incap Corporation - flexible, agile and efficient electronics manufacturing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchWestford, FL, United StatesHQ recorded Nov 6, 20261,001-5,000442 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKampenhout, BelgiumHQ recorded Nov 6, 20261,001-5,000430 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSão Bernardo Do Campo, BrazilHQ recorded Nov 6, 20261,001-5,000419 contacts →

Exact match

“A Proeng Montagens e Manutenção Industrial Ltda.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSingaporeHQ recorded Nov 6, 20265,001-10,000403 contacts →

Exact match

“Serving world technology leaders, MMI provides engineering, manufacturing and assembly expertise for performance-critical Electro-Mechanical Components and Assemblies for multi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchShoreview, GA, United StatesHQ recorded Nov 6, 2026501-1,000393 contacts →

Exact match

“From automated manufacturing of life saving medical devices, to safely dismantling Chernobyl, sending rockets into deep space, and adaptive manufacturing of aerospace components…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,000381 contacts →

Exact match

“NOTE produces PCBAs, subassemblies and box build products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchReston, VA, United StatesHQ recorded Nov 6, 2026201-500378 contacts →

Exact match

“KIHOMAC supports customers across the Department of Defense and commercial industry.”

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

Showing 25 of 4,126 assembly and integration services worldwide

See the full list, filter by size, metro and specialty, and access 27,094 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Assembly and integration services worldwide at a glance

As of Nov 6, 2026
22.0%Verified-email coverage
29.9Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Shenzhen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,114
11-50
1,587
51-200
940
201-500
238
501-1,000
109
1,001-5,000
62
5,001-10,000
12
10001+
15

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 assembly and integration services are linked below.
What qualifies
Company records worldwide whose business descriptions match “assembly and integration 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 27,094 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.

Assembly and integration services by location

22 lists · largest first

Every Assembly and integration 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 “assembly and integration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many assembly and integration services are there worldwide?

RevenueBase identified 4,126 company matches for assembly and integration 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?

Sanmina tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most assembly and integration services?

The United States leads with 1,109 companies, followed by Germany (305) and Italy (238). Every assembly and integration services list by country and city is linked on this page.

Which city has the most assembly and integration services?

Shenzhen leads with 35 company records, followed by San Jose (32) and Bangalore (28).

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 27,094 professional contacts with verified work emails tracked across these 4,126 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.

Ready to reach these companies? Verified emails and direct dials for all 4,126 assembly and integration services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.