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Top 20 Electronic Contract Manufacturing Services ECMS Suppliers in the World

Electronic Contract Manufacturing Services (ECMS) suppliers play a pivotal role in the modern electronics industry, offering specialized manufacturing expertise and production capabilities to companies seeking to outsource their electronic product development and assembly processes. These suppliers provide a range of services tailored to the needs of original equipment manufacturers (OEMs), startups, and established companies alike. Here’s an introduction to Electronic Contract Manufacturing Services Suppliers:

What is Electronic Contract Manufacturing?

Electronic Contract Manufacturing involves outsourcing the manufacturing of electronic components or entire products to third-party suppliers. This includes everything from design and prototyping to assembly, testing, and packaging. ECMS suppliers operate as partners to their clients, offering cost-effective solutions, expertise, and scalability.

Services Offered

Design and Engineering Services: ECMS suppliers often offer design and engineering support to optimize product functionality, manufacturability, and cost-efficiency.

Prototype Development: They assist in the creation of prototypes for testing and validation purposes before full-scale production.

PCB Assembly: Printed Circuit Board (PCB) assembly involves soldering electronic components onto a PCB according to design specifications.

Box Build Assembly: This encompasses the complete assembly of electronic systems into their final enclosures or “boxes.”

Testing and Quality Control: ECMS suppliers conduct various tests to ensure product quality, reliability, and compliance with industry standards.

Supply Chain Management: They manage the procurement of components and materials required for manufacturing, optimizing costs and lead times.

Logistics and Fulfillment: Some ECMS providers offer logistics and fulfillment services, including inventory management and order fulfillment.

Repair and After-sales Support: Depending on the agreement, ECMS suppliers may also provide repair services and after-sales support for the manufactured products.

Benefits of ECMS

Cost Savings: Outsourcing manufacturing to ECMS suppliers can result in significant cost savings due to economies of scale and reduced overhead.

Expertise and Specialization: ECMS suppliers specialize in electronic manufacturing, leveraging their expertise and resources to deliver high-quality products.

Scalability: They offer scalability to accommodate fluctuating demand without the need for substantial investments in infrastructure or personnel.

Focus on Core Competencies: Outsourcing manufacturing allows companies to focus on their core competencies such as R&D, marketing, and sales.

Speed to Market: ECMS suppliers can expedite the production process, helping companies bring their products to market faster.


Quality Standards: Ensure that the ECMS supplier adheres to industry standards and certifications relevant to your product.

Intellectual Property Protection: Implement measures to protect your intellectual property throughout the manufacturing process.

Communication and Collaboration: Establish clear communication channels and expectations to facilitate a productive partnership.

Location and Logistics: Consider the location of the ECMS supplier in relation to your market and the logistics involved in shipping and distribution.

Long-term Relationship: Building a long-term relationship with an ECMS supplier can lead to greater efficiency, reliability, and mutual benefit.

Top 20 Electronic Contract Manufacturing Services Suppliers in the World

Foxconn Technology Group

HeadquartersTucheng, New Taipei City
Established time1974
Company websitehttps://www.foxconn.com/en-us/

Hon Hai Technology Group (Foxconn) (TWSE: 2317) is the world’s largest electronics manufacturer. Foxconn is also the leading technological solution provider, and it continuously leverages its expertise in software and hardware to integrate its unique manufacturing systems with emerging technologies.

The company ranked 22nd on the Fortune Global 500 rankings in 2021 and 25th in the Top 100 Digital Companies in the Forbes ranking of the World’s Best Employers in 2019. Moreover, on Forbes’ World’s Best Employers 2021 rankings, the company ranked 1st in Taiwan. Foxconn is also the only Taiwanese private company awarded for 5 consecutive years of Clarivate Top 100 Global Innovators (2018 ~ 2022).

Smart Consumer Electronics
Cloud and Networking Products
Computing Products
Components and Others

Luxshare Precision Industry is a global designer and manufacturer of cable assembly and connector system solutions
Luxshare Precision Industry is a global designer and manufacturer of cable assembly and connector system solutions
HeadquartersDongguan, China
Established time2004
Company websitehttps://www.luxshare-ict.com/en/

Established on May 24, 2004, Luxshare Precision successfully listed on the ChiNext Board of Shenzhen Stock Exchange on September 15, 2010 (stock code: 002475). The Company is committed to providing integrated intelligent solutions, parts, modules and systems for enterprise communication products (high-speed interconnect, optical module, heat dissipation module, base station antenna, base station filter), consumer electronic products (TWS wireless headphones, smart wear, wireless charging module, 5G router, VR headsets, smart speaker), and automobile systems (automobile wiring harness, connector, intelligent cabin, intelligent driving) and central gateway, etc

Communications and Data Centers
Automobile Parts
Consumer Electronics


HeadquartersTaipei, Taiwan
Established time2008
Company websitehttps://www.pegatroncorp.com/index/index/lang/en_US

PEGATRON Corporation was founded on January 1, 2008. With abundant product development experience and vertically integrated manufacturing, they are committed to providing clients with innovative design, systematic production and manufacturing service in order to comprehensively and efficiently satisfy all of the customers’ needs. Furthermore, they have combined EMS and ODM industries to become an emerging Design and Manufacturing Service (DMS) company.

Product & Service
Product Development
Computer Products
Consumer Electronics
Communication Products
Car Electronics
Smart Electronics

Flex Ltd.
Flex Ltd.
Established time1969
Company websitehttps://flex.com/

Flex Ltd. is an American headquartered multinational diversified manufacturing company. It is the third largest global electronics manufacturing services, original design manufacturer company by revenue, behind only Pegatron for what concerns original equipment manufacturers.The Company designs and develops original design manufacturing (ODM) products for aerospace and defense, cloud, digital health, lighting, housing, energy, industrial, and communication industries.

Design & Engineering
Supply Chain Services

BYD Electronics

BYD Electronics

BYD Electronics

Established time2007
Company websitehttps://electronics.byd.com/elecen/index.html

BYD Company Limited or BYD is a publicly listed Chinese multinational conglomerate manufacturing company headquartered in Shenzhen, Guangdong, China. The company has several major subsidiaries: BYD Auto that produces vehicles, BYD Electronic that produces electronic parts and assembly and FinDreams companies that produces automotive components.

BYD Electronics belongs to BYD Co. Ltd. Founded in 2007, it is a world-leading hi-tech enterprise providing electronics manufacturing services. BYD Electronic manufactures handset components and assembles mobile phones for its customers as an OEM or ODM.

Business area
Smart Phone & NB PC
New Intelligent Product
Auto Intelligent System
Data Center

Quanta Computer

Established time1988
Company websitehttps://www.quantatw.com/Quanta/english/about/company.aspx

Quanta Computer was established in 1988 and listed in TWSE in 1999. Qanta is one of the Global Fortune 500 Companies and also the leader in worldwide notebook manufacturing, as well as a leading solution provider in cloud computing. Their product lines expand across various fields in information and communications, consumer electronics, cloud computing, smart home solutions, smart automobile solutions, smart healthcare, and AIoT, etc.

Smarter Healthcare

Jabil Inc.

HeadquartersSt. Petersburg, FL
Established time1966
Company websitehttps://www.jabil.com/

Jabil is a product solutions company providing comprehensive design, manufacturing, supply chain and product management services. They are proud to be a trusted partner for the world’s top brands, offering comprehensive engineering, manufacturing, and supply chain solutions. Jabil is a global manufacturing company with more than 140,000 employees across 100 locations in 25+ countries.

Additive Manufacturing
Engineered Materials
Engineering Services
Jabil Cutting Tools
Jabil Molding Institute
Precision Automation
Procurement Services
Software Services
Supply Chain Services

Sanmina Corporation

HeadquartersSilicon Valley
Established time1980
Company websitehttps://www.sanmina.com/

Sanmina Corporation is an American electronics manufacturing services provider headquartered in San Jose, California that serves original equipment manufacturers in communications and computer hardware fields.

Sanmina designs, manufactures and repairs some of the most complex and innovative optical, electronic and mechanical products in the world. Recognized as a technology leader, Sanmina provides end-to-end design, manufacturing and logistics solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the industrial, medical, defense and aerospace, automotive, communications networks and cloud solutions sectors.

Design & Engineering
Quick Turn Prototyping
Test Services
New Product Introduction
Supply Chain Management
Systems Manufacturing
Aftermarket Services
One IT System
Quality at Sanmina
PCB Assembly & SMT


Established time2001
Company websitehttps://www.wistron.com/CMS/Page/169

Wistron Corporation is an electronics manufacturer based in Taiwan. It was the manufacturing arm of Acer Inc. before being spun off in 2000. As an original design manufacturer, the company designs and manufactures products for other companies to sell under their brand name. Wistron, as a TSP (Technical Service Provider) company, provides state of the art information and communication related product design, manufacturing, services, and systems.

Products & Services
Technical Services Solutions

New kinpo

Established time1973
Company websitehttps://www.kinpogroup.com/en-US/

KINPO GROUP is a Taiwan-based global conglomerate of manufacturing and technology companies. Founded in 1973, KINPO GROUP is a world leader in global manufacturing solutions. The group of companies engage in global electronic manufacturing services (EMS), original design manufacturing (ODM), and green energy service. Publicly listed companies in the group include Kinpo Electronics, Cal-Comp Electronics (Thailand), AcBel Polytech, and CastleNet.

Besides manufacturing a wide range of key product lines for industry leaders and leading brands, including storage products, printing and imaging products, consumer electronics, communication products, smart home appliances, set-top boxes, POS Terminals and power supplies. Moreover, AcBel Polytech also provide smart green energy service and EV power solutions.

Consumer Electronics
Printing and Imaging
Power Management
Precision Parts

Celestica Inc.

HeadquartersToronto, Ontario
Established time1994
Company websitehttps://www.celestica.com/

Celestica Inc. is a Canadian multinational design, manufacturing, hardware platform, and supply chain electronics manufacturing services company headquartered in Toronto, Ontario. The company operates in 50 sites across 15 countries.

They are a leader in high-reliability design, manufacturing and supply chain solutions that brings global expertise at every stage of product development – from the drawing board to full-scale production and after-market services.

Design and Engineering
Manufacturing Services
Logistics and Fulfillment
After-Market Services
Precision Machining
Supply Chain Services
Product Licensing Services
New Product Introduction
Testing and Quality
Rack Integration Services


Established time1976
Company websitehttps://www.usiglobal.com/en/design/Storage-Solution

USI is a subsidiary of ASE Technology Holding Co., Ltd. (TWSE: 3711, NYSE: ASX). USI, Universal Scientific Industrial (Shanghai) Co., Ltd., is a global leader in electronic design and manufacturing as well as a leader in the field of SiP (System-in-Package) technology. With Asteelflash and Hirschmann Car Communication, USI has 30 production and service locations across four continents of Asia, Europe, Americas, and Africa, and offers customer diversified electronic products with D(MS)2 product services: Design, Manufacturing, Miniaturization, Industrial software and hardware Solutions, and material procurement, logistics and maintenance Services.

WiFi Module
IoT Solutions
Computing & Connection
Connected Devices
Wearable Solutions

Plexus Corp.


HeadquartersNeenah, WI
Established time1979
Company website

Plexus is one of the global leaders in complex product design, supply chain, manufacturing and sustaining services. Since 1979, Plexus has been partnering with companies around the world to transform their concepts into branded products and deliver them to the market. They’re a global force of over 20,000 team members who draw inspiration from solving your most complex product challenges. At Plexus, they’re dedicated to providing you with a seamless product realization experience with customer service like you’ve never seen in the electronics manufacturing industry.

Design and Development
Supply Chain Solutions
New Product Introduction

Qisda corporation

Qisda corporation

YAGEO received the Exceptional Vendor Award 2022 from Qisda

HeadquartersTaipei, Taiwan
Established time1984
Company websitehttps://www.qisda.com/en

Qisda, established in 1984 and headquartered in Taiwan, is a global technology group with businesses spanning across the IT industry, medical business, smart solutions and network communication business.

Qisda is a world-leading provider of LCD monitors and projectors. We are equipped with capabilities for comprehensive electronic design OEM and ODM in various fields. Their products and technical fields include high-end and professional displays such as displays for gaming, graphic, broadcasting and medical purposes; optical precision electronic products such as projectors and automotive applications; industrial/commercial computers and peripheral equipment, POS printers, barcode scanners and thermal cameras, etc.

Products And Services
IT Products
Medical Group
Smart Solutions
Networking and Communication

Zollner Elektronik AG

HeadquartersZandt, Bavaria
Established time1965
Company websitehttps://www.zollner-electronics.com/en/

Founded in Zandt, Bavaria in 1965, Zollner Elektronik AG has successfully grown to become one of the largest and most formidable Electronic Manufacturing & Engineering Services providers in the world today. The Zollner Group has established itself among the Top 15 EMS service providers across the globe.

Inductive Components
Cable Assembly


HeadquartersSanta Clara, CA
Established time1999
Company websitehttps://fabrinet.com/

Fabrinet is the trusted manufacturing partner of the world’s most demanding OEMs. Theircustomers include technological leaders from a diverse array of markets; from aerospace, automotive, industrial, and laser products to medical, life science, and optical electronics. Furthermore, they offer a broad range of applied technologies such as precision electro-mechanical and electro-optical assembly, sensor manufacturing, and advanced packaging.

Fabrinet is dedicated to ensuring full compliance with the quality and regulatory system requirements for each market we serve. This includes TL 9000; ISO 9001, 14001, 13485, and 18001; TS 16949; AS 9100; and OSHA.

Circuit Board Assembly
Complex Systems
Direct Order
IP Protection
Laser Manufacturing
New Product Intro
Optical Components
Optical Computing
Process Development
Sensors & Microelectronics
Supply Chain
Wafer Processing

Benchmark Electronics Inc.
Benchmark Electronics Inc.
Established time1979
Company websitehttps://www.bench.com/

At 1979, Benchmark Electronics was founded in Clute, Texas, and at 2017, Benchmark Electronics announced its new corporate headquarters location will be in Arizona. Their mission is to be the customers’trusted partner; providing comprehensive solutions across the entire product lifecycle; leading through the innovative technology and engineering design services; leveraging the optimized global supply chain, and delivering world-class manufacturing services.

Engineering Capabilities
Automation & Test Design
Defense System Engineering
Design for Excellence
Electrical Design
Industrial Design
Mechanical Design
Microwave & mmW Design
Product Design & Launch
Software Engineering
Advanced Manufacturing
Automation & Test Design
Environmental Stress Screening
Mechanical & Precision Machining
Mixed & Hybrid Assembly
mmWave Test
PCB Assembly & SMT
System Build
Lifecycle Management

Shenzhen Kaifa Technology -technology R&D, process design, production control, procurement management, and logistics support

Established time1985
Company websitehttps://en.kaifa.cn/

Shenzhen Kaifa Technology Co., Ltd. (Stockcode: 000021) serves customers worldwide along the whole electronics manufacturing industry chain, including technology R&D, process design, production control, procurement management, and logistics support.

Their business covers R&D and manufacturing of semiconductor, metering system and industrial IoT, advanced manufacturing services of various high-end electronic products, such as data storage, medical devices, commercial and industrial products, automotive electronics, consumer electronics, new energy, etc.

Venture Corporation Limited

Established time2014
Company websitehttps://www.venture-pcba.com/

Venture Electronics is a leading PCB manufacturing & Assembly Company established in 2014 and based in Shenzhen, Guangdong, China. Venture Electronics is a master in providing PCB Design, Manufacturing, and Assembly products and services to several industries. This includes complex services such as Multilayer PCB, RF, Flex, and Turnkey PCBs manufacturing and assembly.



Established time2002
Company websitehttps://www.longcheer.com/

Established in 2002, LONGCHEER is a technology-driven enterprise engaged in such ODM industry of intelligent products as R&D, design,manufacturing and comprehensive service of intelligent products.

With over two decades of industry experience, LONGCHEER has developed strong capabilities in product-level solution design, hardware innovation design, system-level software platform development, lean production, supply chain integration and quality control capabilities, forming a smart product layout covering smartphones, tablets , AI PC, AIoT, and automotive electronics.

Product demo
Smart Phone
Smart Wearables
Automobile Electronics


Electronic Contract Manufacturing (ECM) refers to outsourcing the manufacturing of electronic components or entire products to third-party suppliers. These suppliers provide a range of services including design, prototyping, assembly, testing, and logistics.

Benefits include cost savings, access to specialized expertise and resources, scalability, faster time-to-market, and the ability to focus on core competencies while leaving manufacturing to experts.

ECMS suppliers offer a wide range of services including design and engineering, prototype development, PCB assembly, box build assembly, testing and quality control, supply chain management, logistics and fulfillment, and repair and after-sales support.

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