Electronic manufacturing services (EMS) provide a valuable service to OEMs by handles printed circuit board assembly, product testing, fulfillment and other production needs on an outsourced basis. This article explores the top 18 global EMS providers in 2023 based on factors like capabilities, capacity, expertise and geographic reach.
Overview of EMS
EMS or electronics contract manufacturing refers to outsourcing production of electronics products to third-party specialists. It typically includes services like:
- PCB fabrication and assembly
- Procurement of components
- Product testing
- Final assembly and integration
- Fulfillment and logistics
Key benefits of using EMS partners include:
- Faster time-to-market
- Improved focus on core competencies
- Leveraging manufacturing expertise
- Flexible capacity scaling
- Reduced production costs
EMS providers cater to markets like automotive, industrial, medical, aerospace, telecom and consumer electronics.
Top EMS Companies in 2023
Here are the top 18 global EMS companies in 2023:
1. Rayming Technology
Rayming is a high quality, ISO certified EMS company providing end-to-end manufacturing services ranging from PCB fabrication, component procurement, SMT assembly, product integration, testing and order fulfillment. With certifications like IATF 16949, Rayming specializes in high mix, complex electronics serving automotive, industrial, medical, semiconductor and other advanced technology markets.
Headquarters: Suzhou, China
Facilities: 5 manufacturing sites in China
Services: PCB fabrication, precision enclosures, SMT, thru hole assembly, test development, box build, global fulfillment
Industries served: Automotive, industrial, medical, semiconductor
Revenue: $550M
Year founded: 2005
2. Flex
Flex is among the largest global EMS companies with around 200,000 employees and operations spanning 30 countries. It provides the full spectrum of contract manufacturing services from prototypes to high volume production and aftermarket services. Flex serves diverse industries ranging from automotive, aerospace/defense, medical, networking, consumer products and industrial.
Headquarters: Singapore
Facilities: 100+ manufacturing sites globally
Services: Prototyping, PCB assembly, systems integration, logistics, aftermarket repair
Industries served: Automotive, aerospace/defense, networking, medical, industrial
Revenue: $25 billion
Year founded: 1990
3. Jabil Circuit
Jabil is a leading Fortune 500 EMS company serving major OEMs. Its comprehensive manufacturing services encompass PCB assembly, precision machining, system integration, supply chain management and product lifecycle management. Jabil caters to sectors like automotive, digital networking, cloud, telecom, healthcare and packaging.
Headquarters: St. Petersburg, Florida
Facilities: 100+ manufacturing sites globally
Services: PCB assembly, test development, additive manufacturing, product design
Industries served: Automotive, 5G telecom, cloud computing, healthcare
Revenue: $29.3 billion
Year founded: 1966
4. Benchmark Electronics
Benchmark provides integrated design, engineering and manufacturing services ranging from prototypes to high-volume production, procurement, logistics and repair. They leverage advanced technologies like IoT, AR/VR and additive manufacturing to deliver optimized solutions. Their capabilities serve the aerospace/defense, medical technologies and complex industrials markets.
Headquarters: Tempe, Arizona
Facilities: Americas, Asia, Europe
Services: Engineering, precision technology, supply chain
Industries served: Aerospace/defense, medical, complex industrials
Revenue: $2.3 billion
Year founded: 1979
5. Sanmina Corporation
Sanmina provides end-to-end manufacturing solutions including electronic engineering and design, fabrication, enclosure machining, systems integration and fulfillment. Their expertise serves industries such as communications, medical, defense, automotive and cloud solutions.
Headquarters: San Jose, California
Facilities: 80+ manufacturing sites globally
Services: Engineering, PCB fabrication, test development, repair
Industries served: Industrial, automotive, communications, medical, defense
Revenue: $6.7 billion
Year founded: 1980
6. Plexus Corp
Plexus delivers optimized Product Realization solutions for companies in sectors like healthcare/life sciences, industrial/commercial, defense/security/aerospace and communications. Their comprehensive services encompass engineering, test development, manufacturing, supply chain, logistics and more.
Headquarters: Neenah, Wisconsin
Facilities: 20+ manufacturing sites globally
Services: Product design, PCB assembly, cables, full product realization
Industries served: Healthcare, industrial equipment, communications, defense
Revenue: $3.5 billion
Year founded: 1979
7. Celestica Inc.
Celestica provides end-to-end product lifecycle solutions including design and engineering, manufacturing, test development, global distribution and after-sales services. They cater to major OEMs in the aerospace, industrial, healthtech, capital equipment and semiconductor markets.
Headquarters: Toronto, Canada
Facilities: Manufacturing/design sites across Americas, Europe and Asia
Services: Hardware platform solutions, engineering services
Industries served: A&D, industrials, healthtech, semiconductor
Revenue: $5.9 billion
Year founded: 1994
8. Compal Electronics
Compal is the largest notebook computer maker and also provides electronics manufacturing services in diverse fields like automotive, AI/IoT, 5G telecom, AR/VR and more. Their expertise spans product development, automated production and field service.
Headquarters: Taipei, Taiwan
Facilities: Major operations in China and Mexico
Services: Joint design manufacturing (JDM), product miniaturization
Industries served: Notebooks, automotive, AIoT, AR/VR
Revenue: $67 billion
Year founded: 1984
9. Pegatron
Pegatron designs, manufactures and integrates products in computing, communications and consumer electronics segments. They provide specialized manufacturing services including case tooling, plastic injection molding, system assembly, and production of peripherals and components.
Headquarters: Taipei, Taiwan
Facilities: Major manufacturing in Taiwan, China, Mexico, Poland
Services: Case tooling, system assembly, plastic injection molding
Industries served: Computing, networking, smart home, gaming, IoT
Revenue: $40 billion
Year founded: 2008
10. Quanta Computer
Quanta Computer is a leading notebook designer and ODM providing comprehensive manufacturing services from product design, value engineering to logistics management. They serve global customers in the data center, 5G telecom, automotive electronics, medical and other industries.
Headquarters: Taoyuan, Taiwan
Facilities: Manufacturing sites across Asia, USA, Mexico, Germany
Services: ICT hardware design, device integration, automated production
Industries served: Data center, 5G infrastructure, automotive electronics, medical
Revenue: $42 billion
Year founded: 1988
11. Creation Technologies
Creation provides complete electronics product design and manufacturing services including rapid prototyping, PCB assembly, systems build, supply chain management and aftermarket services. They cater to diverse markets like IoT, clean tech, industrial equipment, telecom and medical devices.
Headquarters: Burnaby, Canada
Facilities: Design centers and manufacturing sites across North America
Services: Prototyping, PCB assembly, system integration, repair/warranty services
Industries served: Industrial equipment, telecom, medical devices, clean tech, IoT
Revenue: $1 billion
Year founded: 1993
12. USI (Universal Scientific Industrial Co)
USI provides mechanical and electronic design manufacturing services across computing, communications, automotive electronics, automation and biotech fields. Their capabilities encompass supply chain management, automation, precision molding and tooling, system assembly and integration.
Headquarters: Taipei, Taiwan
Facilities: America, Europe and Asia
Services: Joint design manufacturing, automation, tooling
Industries served: Automotive, cloud, 5G infrastructure
Revenue: $9 billion
Year founded: 1980
13. Zollner Elektronik Group
Zollner provides full system design-to-manufacturing services spanning concept design, engineering, prototyping, testing, simulation, system integration, box-build assembly and logistics. They cater to the industrial electronics, automotive, telecom, aviation and medical sectors.
Headquarters: Zandt, Germany
Facilities: Manufacturing sites in Germany, China and Mexico
Services: Electronic engineering, PCB layout, test engineering, manufacturing execution
Industries served: Industrial electronics, automotive, telecom, aviation, medical
Revenue: $1.3 billion
Year founded: 1965
14. Key Tronic
Key Tronic is an EMS company specialized in electronic product manufacturing, integration, and fulfillment services. Their capabilities include PCB assemblies, cable assemblies, precision molding, tooling design, full system integration, testing and supply chain management.
Headquarters: Spokane, Washington
Facilities: USA, Mexico, China
Services: PCB and cable harness assembly, precision molded parts, system build
Industries served: Industrial, aerospace, healthcare, automotive
Revenue: $449 million
Year founded: 1969
15. VTech EMS
VTech EMS provides end-to-end contract manufacturing solutions from product design to logistics. Their services include PCBA production, precision plastic injection molding, vertical integration of key components like batteries and LCDs, and automated product assembly and testing.
Headquarters: Dongguan, China
Facilities: China manufacturing sites
Services: Vertical integration, automated production
Industries served: Automotive, industrial equipment, smartphones
Revenue: $2 billion
Year founded: 1980
16. Enics
Enics provides full product life-cycle engineering and electronics manufacturing services. Their expertise covers industrial design, PCB fabrication and assembly, automation, test system design, supply chain optimization and field service logistics. They cater to automotive, communications, industrial, medical and aerospace sectors.
Headquarters: Zürich, Switzerland
Facilities: Europe and Asia
Services: Electronics manufacturing, test development
Industries served: Automotive, industrial, aerospace, healthcare
Revenue: $500 million
Year founded: 1998
17. New Kinpo Group
New Kinpo Group provides end-to-end manufacturing solutions from product concept through volume production and field services across ICT, automotive electronics, healthcare, IoT and automation industries. Their services encompass design, vertical manufacturing, aftersales support and logistics.
Headquarters: Tao Yuan, Taiwan
Facilities: Across Asia, Europe, USA
Services: ICT hardware design services, precision manufacturing
Industries served: ICT, automotive, medical devices
Revenue: $7.5 billion
Year founded: 1973
18. Welles Enterprises
Welles specializes in full turnkey design, engineering and electronics manufacturing services for OEMs in industrial, medical, transportation, military and aviation segments. Their capabilities include PCB layout and assembly and complete product builds.
Headquarters: Winona, Minnesota
Facilities: USA and Mexico
Services: PCB design, test development, NPI builds, cable assembly
Industries served: Industrial equipment, medical, military/avionics
Revenue: $230 million
Year founded: 1983
This compilation covers major global EMS companies providing a full range of manufacturing and engineering services across key industries and geographies. Their capabilities, expertise and scale equip them to handle complete outsourced production needs for OEMs ranging from components to full systems.
How to Select the Right EMS Partner?
Key factors when selecting an EMS partner:
- Industry experience relevant to the product application
- Technical capabilities matching needs like SMT lines, test facilities
- Global footprint and proximity to target markets
- Range of services – NPI, volume mfg, supply chain, repair/warranty
- Quality certifications – ISO, automotive, aerospace
- Capacity, scalability and financial stability
- Cultural fit and responsiveness
- Competitive and flexible pricing models
- Continuous improvement commitment
Conclusion
By leveraging capabilities like supply chain management, advanced manufacturing technologies, scale production and field services, top EMS companies provide a pathway for OEMs to achieve faster product development cycles, improved uptime and reduced overheads. Careful partner evaluation and selection allows maximizing the benefits of outsourced electronics manufacturing.
FAQ
What are the benefits of using EMS manufacturing?
Benefits include faster time-to-market, leveraging manufacturing expertise, flexible capacity scaling, improved focus on core competencies, and reduced production costs.
What industries typically use EMS providers?
EMS caters to diverse segments like consumer electronics, telecom, networking, automotive, aerospace, medical devices, industrial equipment etc.
What is the difference between ODM and EMS manufacturing?
ODM takes full product development responsibility. EMS focuses on production of the client’s designed products. ODMs have own product design IP while EMS leverages clients’ IP.
Which company is the largest EMS provider globally?
Flex is one of the largest global EMS companies with around 200,000 employees and 100+ manufacturing sites across 30 countries. It provides complete outsourced manufacturing services.
What capabilities make a good EMS partner?
Key capabilities are technical expertise, modern manufacturing facilities, engineering skills, supply chain management, quality focus, field product life-cycle support, strong customer relationships and global delivery scale.