Semiconductor & AI supply-chain companies in Taiwan

As of 2026-09-05, wafergraph tracks 82 semiconductor and AI supply-chain companies headquartered in Taiwan, across 10 value-chain segments, most of them in Design (Fabless) (17). The largest by market cap is TSMC at $2.22T; the 75 priced companies total $3.57T. 17 hold a monopoly or leader position in their segment.

Data as of 2026-09-05 · country = headquarters, not fab location · market caps from the daily wafergraph pipeline (Yahoo × SEC shares); unpriced companies are listed but not summed

Largest Taiwan companies by market cap

All 82 companies by segment

Design (Fabless) (17)

  • MediaTek — Highest-volume smartphone SoC vendor; strong in TV and connectivity chips. leader · $223.0B
  • ASPEED Technology — Dominant supplier of BMC server management chips. leader · $23.0B
  • Novatek Microelectronics — Top display driver IC and timing controller designer. leader · $10.1B
  • Global Unichip (GUC) — TSMC-affiliated ASIC design services company for advanced nodes. major · $24.6B
  • Realtek Semiconductor — High-volume connectivity, audio codec and Ethernet chip designer. major · $11.6B
  • Alchip Technologies — ASIC design services leader for AI and HPC chips on TSMC processes. major · $11.0B
  • ASMedia Technology — High-speed I/O controller designer (USB, PCIe, SATA). major · $3.4B
  • Nuvoton Technology — Microcontroller and analog maker; owns Panasonic's former semi business. major · $1.7B
  • Raydium Semiconductor — Display driver IC maker for panels and touch. major · $540M
  • Airoha Technology — Wireless connectivity and audio SoC designer in the MediaTek group. major
  • Himax Technologies — Display drivers plus ultralow-power AI vision sensors. niche · $2.4B
  • Parade Technologies — High-speed interface and display timing controller designer. niche · $1.4B
  • Elan Microelectronics — Touchpad, touchscreen, and microcontroller designer. niche · $1.2B
  • Sitronix Technology — Taiwanese display driver IC designer. niche · $1.1B
  • Fitipower — Display driver and power management IC designer. niche · $630M
  • Holtek Semiconductor — Taiwanese microcontroller and analog IC maker. niche · $430M
  • Ilitek — Touch and display driver IC designer. niche

Distribution & Misc (12)

  • Hon Hai (Foxconn) — World's largest electronics contract manufacturer; builds AI servers. leader · $113.4B
  • Quanta Computer — Top ODM building AI servers for hyperscalers. leader · $44.7B
  • WT Microelectronics — Major Asian semiconductor distributor that acquired Future Electronics. leader · $7.7B
  • WPG Holdings — World's largest semiconductor component distributor. leader · $5.7B
  • Wistron — Taiwanese ODM building servers and AI systems for hyperscalers. major · $19.9B
  • Pegatron — Electronics ODM for computing, networking, and servers. major · $8.1B
  • Gigabyte Technology — Server, GPU, and motherboard maker for AI and data centers. major · $7.9B
  • Inventec — Server and AI-system ODM for cloud data centers. major · $7.7B
  • Compal Electronics — Taiwanese ODM; world's #2 notebook-PC manufacturer, increasingly building AI servers. major · $5.6B
  • Wiwynn — Hyperscale AI server and storage ODM (Wistron group). major
  • Supreme Electronics — Taiwanese electronic-component distributor. niche · $1.6B
  • Weikeng Industrial — Asia-Pacific semiconductor and component distributor. niche · $720M

OSAT (10)

Materials (10)

  • Unimicron — Largest Taiwanese ABF substrate maker serving major fabless customers. leader · $46.8B
  • Nan Ya PCB — Formosa-group package substrate and PCB maker. major · $21.6B
  • Zhen Ding Technology — World's largest PCB maker; flexible and IC substrate supplier to Apple. major · $16.2B
  • GlobalWafers — Third-largest silicon wafer maker; expanding US capacity in Texas. major · $14.8B
  • Kinsus Interconnect — Pegatron-affiliated IC substrate manufacturer. major · $13.7B
  • Chang Wah Technology — Leadframe and semiconductor packaging materials maker. major · $2.2B
  • ITEQ — Copper-clad laminate and prepreg maker for high-speed PCBs. niche · $5.9B
  • Wafer Works — Taiwanese silicon wafer maker focused on prime and reclaim wafers. niche · $2.2B
  • Solar Applied Materials — Taiwanese sputtering target and precious-metal recycling specialist. niche · $1.9B
  • Taiwan Mask Corporation — Taiwanese merchant photomask maker. niche · $400M

Memory (10)

  • Phison Electronics — Leading NAND flash controller and storage-solution designer. leader · $14.1B
  • Silicon Motion — Leading NAND controller designer for SSDs and embedded storage. leader · $8.7B
  • Macronix International — Leading NOR flash and ROM maker. major · $7.6B
  • ADATA Technology — Memory module and SSD maker. major · $4.0B
  • Nanya Technology — Taiwanese DRAM maker focused on specialty and consumer DRAM. niche · $48.6B
  • Winbond Electronics — Specialty memory maker: NOR flash and niche DRAM. niche · $24.8B
  • Innodisk — Industrial-grade memory and embedded storage maker. niche · $4.2B
  • Transcend Information — Memory module, flash, and embedded storage maker. niche · $3.9B
  • Apacer Technology — Industrial-grade memory modules and solid-state drives. niche · $890M
  • Team Group — Memory module and storage products maker. niche · $860M

Analog, Power, RF (6)

  • Yageo — World's top chip-resistor maker and a leading MLCC supplier. leader · $36.5B
  • Walsin Technology — Major MLCC and chip-resistor manufacturer. major · $4.6B
  • BizLink Holding — Cable-assembly and connector maker serving AI data-center, automotive/EV and industrial customers. niche · $13.2B
  • Lotes Co. — Precision connector maker specializing in CPU sockets, memory connectors and I/O connectors. niche · $6.1B
  • Egis Technology — Fingerprint sensor and security IC designer. niche · $290M
  • Chilisin Electronics — Inductor and magnetic-component maker; Yageo-owned since 2022, brand folded into Pulse Electronics (still trades as TWSE: 2425). niche · $120M

Foundry (5)

  • TSMC — World's dominant foundry, manufacturing nearly all leading-edge chips. leader · $2.22T
  • Win Semiconductors — World's largest GaAs RF foundry. leader
  • United Microelectronics (UMC) — Taiwan's second foundry, strong in mature and specialty nodes. major · $52.1B
  • Powerchip (PSMC) — Taiwanese foundry spanning memory and logic specialty processes. challenger · $10.3B
  • Vanguard International (VIS) — TSMC-affiliated specialty foundry for display drivers and power. challenger · $8.9B

AI & Data Center (5)

  • Delta Electronics — Power supplies, cooling, and power management for data centers and EVs. leader · $149.9B
  • Accton Technology Corporation — Taiwan ODM/OEM of data-center and enterprise switches, including 400G AI/ML white-box fabrics. leader · $37.1B
  • Asia Vital Components Co., Ltd. — Taiwanese thermal-solutions maker: fans, heat sinks, vapor chambers and liquid cooling for AI servers. major · $44.3B
  • Lite-On Technology — Power supplies and optoelectronics for servers and electronics. major · $22.1B
  • FSP Technology Inc. — Taiwanese FSP Group power-supply maker producing server PSUs (CRPS), UPS and battery backup units. major · $320M

EDA & IP (5)

  • eMemory Technology — Leading embedded non-volatile memory IP licensor. leader · $5.5B
  • Faraday Technology — Taiwanese ASIC design-service and silicon IP provider. major · $1.5B
  • M31 Technology — Taiwanese silicon IP licensor of foundation and interface IP. niche · $550M
  • Andes Technology — Taiwanese RISC-V CPU IP vendor. niche · $420M
  • AnaGlobe Technology, Inc. — Taiwanese EDA firm specializing in IC physical-layout integration and custom layout automation. niche

Equipment (Back End) (2)

  • Chroma ATE — Taiwanese test and measurement instrument maker for semis and batteries. major · $27.2B
  • MPI Corporation — Probe cards and test and measurement systems maker. major · $16.0B

Tracked revenue

63 of the 82 companies report revenue in the dataset, totalling $812.8B (latest fiscal year per company, SEC EDGAR or Wikidata).

Cite as: wafergraph, “Semiconductor companies in Taiwan — 82 tracked, ranked by market cap”, https://wafergraph.com/country/taiwan/ (data as of 2026-09-05).

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