In 2026, top PCB manufacturers for IoT benefit from sustained industry expansion: IoT device shipments, 5G rollout and AI‑edge compute drive demand, while supply‑chain diversification and green manufacturing attract major investment. Analysts expect continued moderate‑to‑strong growth through 2026–2028, favoring firms with HDI, flexible‑PCB and turnkey EMS capabilities and stronger margins ahead.
JLCPCB
- Location: Shenzhen, Guangdong, China
- Company type: PCB fabrication & online PCBA service
- Year founded: 2006
- Number of employees: ~2,000+
- Main product: Quick-turn PCB prototypes, small-batch PCBs, PCBA services
- Key Focus: Ultra-fast prototypes, low-to-zero MOQ, maker/startup market, low-cost entry
- Company's official website: https://jlcpcb.com
- Profile: JLCPCB is the Shenzhen-based leader in low-cost, quick-turn PCB fabrication and simple PCBA for makers, startups and small OEMs. Its online ordering and fast lead times made it a go-to global volume player for prototypes and small runs.
- Products and Business: Quick-turn PCB prototyping, small-batch fabrication, SMT assembly, and online ordering platform.
PCBWay
- Location: Shenzhen, Guangdong, China
- Company type: PCB fabrication, PCBA, prototyping service provider
- Year founded: 2014
- Number of employees: ~1,000–2,000
- Main product: Prototyping PCBs, PCBA, custom manufacturing services (CNC, 3D printing)
- Key Focus: Makers, startups, low-cost custom assembly, community engagement
- Company's official website: https://www.pcbway.com
- Profile: PCBWay grew rapidly as a maker-friendly contract manufacturer, combining low-cost PCB fabrication with PCBA, turnkey options and strong community/customer support. Known for flexible small-batch services and transparent online quotes.
- Products and Business: PCB prototyping, stencil & parts sourcing, PCBA turnkey, and related maker services.
Zhen Ding Technology
- Location: Headquartered in Taiwan
- Company type: Large-scale PCB manufacturer for consumer electronics and industrial customers
- Year founded: Late 1990s
- Number of employees: ~200
- Main product: Rigid PCBs, HDI boards, advanced substrates for consumer electronics
- Key Focus: High-volume consumer electronics, HDI, multilayer PCBs for compact IoT products
- Company's official website: https://www.zdtco.com/en
- Profile: Zhen Ding is a major Taiwanese-headquartered PCB supplier with global manufacturing capacity. It supplies high-density, multilayer boards to large consumer-electronics brands and OEMs, enabling miniaturized IoT devices.
- Products and Business: Rigid and HDI PCBs, mass-volume production for smartphones, wearables and other compact electronics.
AT&S
- Location: Leoben, Austria
- Company type: Advanced PCB and substrate manufacturer
- Year founded: 1987
- Number of employees: ~10,000+
- Main product: HDI, multilayer PCBs, IC substrates, advanced interconnects
- Key Focus: High-density, high-reliability PCBs for IoT, medical, automotive and industrial applications
- Company's official website: https://ats.net
- Profile: AT&S is a European leader in high-density, multilayer PCBs and IC substrates. It targets premium segments that demand miniaturization, thermal performance and high reliability for IoT, medical and automotive devices.
- Products and Business: HDI PCBs, IC substrates, rigid-flex boards, and engineering support for high-reliability markets.
Nippon Mektron
- Location: Tokyo area, Japan
- Company type: Flexible PCB specialist
- Year founded: Mid-1970s
- Number of employees: Several thousand
- Main product: Flexible PCBs (FPC), rigid-flex solutions for wearables and mobile devices
- Key Focus: Leading global supplier of flexible circuits for wearables, smartphones and compact IoT hardware
- Company's official website: https://www.nippon-mektron.co.jp
- Profile: Nippon Mektron is recognized as one of the world’s largest flexible PCB suppliers, delivering high-volume FPCs and rigid-flex solutions to major consumer-electronics and wearable OEMs with strong quality credentials.
- Products and Business: Flexible and rigid-flex PCBs, high-volume supply for mobile, wearable and IoT products.
TTM Technologies
- Location: Costa Mesa, California, USA
- Company type: Global PCB manufacturer serving telecom, aerospace, industrial and consumer markets
- Year founded: 1970
- Number of employees: Several thousand (approx.)
- Main product: Rigid PCBs, RF/microwave, HDI, advanced interconnects for wireless IoT
- Key Focus: End-to-end PCB solutions for RF/wireless, IoT gateways, telecom infrastructure and industrial IoT
- Company's official website: https://www.ttm.com
- Profile: TTM Technologies is a major global PCB supplier with broad technical portfolio including RF/microwave and HDI boards. They support telecom and wireless IoT solutions requiring high-frequency and high-reliability boards.
- Products and Business: Rigid PCBs, RF/microwave boards, HDI, and engineering services for communications and industrial IoT.
Flex
- Location: Singapore
- Company type: Large EMS and contract manufacturing provider
- Year founded: 1969
- Number of employees: ~15000
- Main product: Turnkey manufacturing, PCBs, complete IoT device assembly and supply-chain services
- Key Focus: End-to-end IoT product scaling, cloud/edge hardware, and high-volume assembly across sectors
- Company's official website: https://www.flex.com
- Profile: Flex is a top-tier global EMS provider offering full-stack manufacturing — from PCB fabrication to final assembly, testing and supply-chain management — supporting large-scale IoT deployments and enterprise customers.
- Products and Business: Turnkey device manufacturing, PCBA, box-build assembly, testing and logistics.
Jabil
- Location: St. Petersburg, Florida, USA
- Company type: Global EMS provider and contract manufacturer for electronics
- Year founded: 1966
- Number of employees: ~200,000+
- Main product: End-to-end manufacturing for electronics including PCBs, assemblies and IoT devices
- Key Focus: Scaling IoT hardware, advanced manufacturing, supply chain integration and certification-ready production
- Company's official website: https://www.jabil.com
- Profile: Jabil is a leading global EMS partner enabling rapid IoT hardware scale-up with broad engineering, manufacturing and supply-chain services for consumer, industrial and healthcare applications.
- Products and Business: PCBA, box-build, design-for-manufacturing, testing and full lifecycle services.
Shennan Circuits
Location: Shenzhen, Guangdong, China Company type: Integrated PCB manufacturer Year founded: 1980 Number of employees: Several thousand–tens of thousands Main product: Rigid PCBs, HDI, multilayer boards, PCBA for communications and IoT infrastructure Key Focus: Comprehensive solutions from prototyping to mass-production for communications and IoT markets Company's official website: https://www.scc.com.cn/scc/en/gysn/index.html
- Profile: Shennan Circuits is a major Chinese PCB maker offering broad capabilities from quick-turn to high-volume production, serving telecom, IoT infrastructure and consumer electronics with integrated services.
- Products and Business: Rigid and HDI PCBs, PCBA, turnkey production and testing for communications and IoT systems.
South‑Electronic
- Location: Headquarters — Shenzhen, Guangdong, China
- Company type: Electronics manufacturing — PCB fabrication and PCBA services
- Year founded: 2010
- The number of employees: ~200–500
- Main product: Rigid PCBs, flexible and rigid‑flex PCBs, PCB assembly (SMT/DIP), testing
- Key Focus: Quick‑turn prototyping, small‑to‑medium volume production, customized boards for IoT, consumer electronics and industrial applications
- Company's official website: https://southelectronicpcb.com/
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Profile: Founded in 2010, South‑Electronic has grown into an integrated PCB supplier offering fabrication, SMT assembly and testing services. The company positions itself on fast lead times and flexible production runs to support startups, OEMs and IoT product developers (details such as scale and certifications should be verified on the official site).
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Products and Products and Business: PCB manufacturing (rigid, flex, rigid‑flex), turnkey PCBA, parts sourcing, stencil & testing services for small-to-medium volume IoT and consumer electronics production.
As IoT growth, 5G and edge AI reshape PCB demand, suppliers with HDI, flex‑rigid and turnkey services will lead. If you need reliable, high‑performance PCBs for high‑power or IoT applications, consider South‑Electronic—advanced manufacturing, stringent quality control and fast turnarounds. Contact South‑Electronic to discuss your project today.
