In 2026, the global PCB market for 5G infrastructure is projected to exceed $12 billion, driven by escalating demand for high-frequency materials and IoT expansion. With Asia-Pacific dominating 65% of production, innovations in mmWave and sustainability will reshape economic growth, despite supply chain uncertainties.
TTM Technologies
- Location: Costa Mesa, California, USA; global operations in Asia and Europe.
- Company type: Electronics manufacturing
- Year founded: 1998
- Number of employees: ~1000
- Main product: RF/microwave PCBs, high-frequency backplanes, and complex multilayer boards.
- Key Focus: Telecom, aerospace, defense, and high-performance computing.
- Official website: https://www.ttm.com

- Profile: TTM Technologies is a leading global PCB manufacturer, specializing in high-frequency designs for 5G infrastructure and military applications. Ranked among the top PCB suppliers in the U.S., it serves major telecom primes like Ericsson and Nokia. The company emphasizes rapid prototyping and high-volume production.
- Products and Business: Produces advanced PCBs for telecom base stations, aerospace systems, and automotive radar. Offers end-to-end solutions from design to assembly.
Shennan Circuits
- Location: Shenzhen, Guangdong, China.
- Company type: PCB and IC substrate manufacturing.
- Year founded: 1984
- Number of employees: ~200.
- Main product: High-layer-count backplanes, high-speed PCBs, and IC substrates.
- Key Focus: 5G infrastructure, data centers, and consumer electronics.
- Official website: http://www.scc.com.cn

- Profile: A core supplier for Huawei and other telecom giants, SCC leads China’s 5G PCB market. It specializes in ultra-high-density interconnect (HDI) boards and has expanded into IC packaging substrates for AI/GPU applications.
- Products and Business: Manufactures PCBs for 5G base stations, servers, and advanced packaging, with a focus on high reliability and signal integrity.
Unimicron Technology
- Location: Taoyuan City, Taiwan.
- Company type: PCB and IC substrate manufacturing.
- Year founded: 1990
- Number of employees: ~200.
- Main product: HDI PCBs, IC substrates, and high-speed networking boards.
- Key Focus: Telecom processors, automotive electronics, and high-performance computing.
- Official website: https://www.unimicron.com

- Profile: A global leader in IC substrates and advanced HDI PCBs, Unimicron serves Apple, Intel, and NVIDIA. It dominates the market for substrates used in CPUs, GPUs, and AI chips.
- Products and Business: Supplies PCBs for 5G modules, smartphones, and advanced semiconductors, emphasizing miniaturization and high-speed signal transmission.
South-Electronic
- Location: Shenzhen, Guangdong, China
- Company type: High-frequency PCB manufacturing, specializing in telecom and networking electronics.
- Year founded: 2010
- Number of employees: ~100
- Main product: High-speed/high-frequency PCBs, multilayer RF boards
- Key Focus: 5Gbase stations, antenna systems, and small-cell backhaul infrastructure.
- Official website: https://southelectronicpcb.com/

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Profile: A rising Chinese PCB manufacturer, South-Electronic has emerged as a critical supplier for 5G infrastructure since 2010, partnering with regional telecom equipment providers. The company invests heavily in low-loss materials and precision impedance control to meet 5G’s mmWave requirements. Its rapid prototyping capabilities cater to Huawei’s secondary supply chain.
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Products and Business:Produces high-frequency PCBs for 5G AAUs and RRUs, with certifications for ISO 9001 and IATF 16949. Targets cost-sensitive but performance-driven 5G deployments in Asia and Africa.
Compeq Manufacturing
- Location: Taoyuan City, Taiwan.
- Company type: PCB and flexible circuit manufacturing.
- Year founded: 1973.
- Number of employees: ~100.
- Main product: HDI, rigid-flex, and RF/microwave PCBs.
- Key Focus: 5G modules, wearables, and automotive electronics.
- Official website: https://www.compeq.com.tw

- Profile: A leading Taiwanese PCB manufacturer, Compeq supplies rigid-flex boards for compact telecom and IoT devices. It’s a key partner for high-reliability designs in harsh environments.
- Products and Business: Produces high-density PCBs for smartphones, medical devices, and aerospace applications.
Tripod Technology
- Location: Hsinchu, Taiwan
- Company type: PCB manufacturing
- Year founded: 1984
- Number of employees: ~200
- Main product: High-layer PCBs, IC substrates
- Key Focus: Networking hardware, 5G infrastructure
- Official website: https://www.tripod.com.tw

- Profile: A top global supplier for networking PCBs, Tripod produces high-layer-count boards for switches, routers, and data centers. Major clients include Cisco, Dell, and telecom OEMs.
- Products and Business: Specializes in large-size, high-speed PCBs for cloud computing and base stations, with a strong R&D focus on signal integrity.
WUS Printed Circuit
- Location: Taoyuan City, Taiwan (HQ); factories in China
- Company type: Heavy copper and high-power PCB manufacturing
- Year founded: 1969
- Number of employees: ~100
- Main product: Heavy copper, high-layer PCBs
- Key Focus: Power amplifiers, telecom power systems
- Official website: http://www.wusgroup.com

- Profile: A dominant player in heavy copper PCBs, WUS supplies boards for telecom power systems and industrial applications. It is a preferred vendor for Huawei and ZTE.
- Products and Business: Manufactures robust PCBs for high-current applications, including 5G base stations and renewable energy inverters.
AT&S
- Location: Leoben, Austria (HQ); plants in China, India, South Korea
- Company type: High-end PCB and IC substrate manufacturing
- Year founded: 1987
- Number of employees: ~100
- Main product: High-frequency PCBs, IC substrates
- Key Focus: Advanced packaging, automotive radar
- Official website: https://www.ats.net

- Profile: Europe’s leading PCB manufacturer, AT&S focuses on high-density interconnect (HDI) and substrates for AI/automotive markets. Major clients include Bosch and Infineon.
- Products and Business: Supplies high-frequency PCBs for automotive radar, medical devices, and 5G antennas, with a strong focus on miniaturization.
Ibiden
- Location: Ogaki, Gifu, Japan
- Company type: PCB and advanced packaging
- Year founded: 1912
- Number of employees: ~300
- Main product: IC substrates, thermal-management PCBs
- Key Focus: Semiconductor packaging, data center hardware
- Official website: https://www.ibiden.com

- Profile: A pioneer in IC substrates, Ibiden supplies high-end packaging for Intel and AMD CPUs. Known for thermal solutions in high-power electronics.
- Products and Business: Produces substrates for GPUs, organic interposers, and printed circuit boards for industrial automation.
Sanmina
- Location: San Jose, California, USA (HQ); global operations
- Company type: Electronics manufacturing services (EMS)
- Year founded: 1980
- Number of employees: ~300
- Main product: High-layer backplanes, system assembly
- Key Focus: Telecom, aerospace, medical
- Official website: https://www.sanmina.com

- Profile: A leader in complex PCB assembly, Sanmina produces 70+ layer backplanes for defense and networking giants like Cisco and Ericsson.
- Products and Business: Offers end-to-end solutions from PCB fabrication to full system integration, specializing in ultra-high-density designs.
From global leaders supplying mmWave and IC substrates to niche specialists in heavy‑copper and HDI, the 2026 PCB landscape powers 5G’s high‑frequency demands. For reliable, cost‑effective mmWave and high‑speed PCBs, consider South‑Electronic — advanced manufacturing, rigorous quality control, and tailored solutions for demanding telecom deployments. Contact us to discuss your project.