⬆ UPSTREAM — SUPPLIERS18
ASML
Sole maker of EUV lithography machines
Tokyo Electron
Leading maker of etch and deposition equipment
Applied Materials
Largest semiconductor equipment maker by revenue
KLA
Dominant maker of wafer inspection and metrology tools
Lam Research
Leading supplier of etch and deposition equipment
Shin-Etsu Chemical
World's largest silicon wafer supplier
Sumitomo Chemical
Key supplier of EUV photoresist and compound semiconductors
Ibiden
Dominant supplier of IC substrates for advanced packages
Shinko Electric
Major IC substrate and lead frame supplier
Germanium (CN)
Dominant germanium producer for SiGe transistors and fiber-optic preforms
Tungsten (CN)
Dominant tungsten producer for chip metallization contacts and tooling
Graphite (CN)
Dominant graphite producer for semiconductor crucibles, furnace components, and SiC substrates
SUMCO
#2 global silicon wafer supplier; duopoly with Shin-Etsu controls ~55% of world supply
JSR Corporation
Major EUV and ArF immersion photoresist supplier; taken private by Japan Investment Corporation in 2023
Entegris
Critical process materials supplier: CMP slurries, ultra-high-purity chemical delivery, and wafer carriers
SCREEN Holdings
Leading wafer cleaning and surface treatment equipment maker (~20% global market share)
Kokusai Electric
Critical supplier of batch ALD and CVD furnace systems essential for NAND and DRAM production
SK Hynix
Leading HBM3/HBM3E supplier for AI accelerators
TSMC
World's largest contract chip manufacturer
⬇ DOWNSTREAM — CUSTOMERS19
NVIDIA
Dominant AI GPU designer (H100, H200, B200)
AMD
AI GPU designer challenging NVIDIA with MI300X
Broadcom
Custom ASIC and networking chip designer for hyperscalers
Apple
Designs Apple Silicon (M-series, A-series) — TSMC's single largest customer by wafer revenue
Qualcomm
Leading mobile SoC and edge AI chip designer (Snapdragon X Elite, Cloud AI 100 inferencing)
Microsoft Azure
Second-largest cloud; OpenAI exclusive compute partner; deploying Maia 100 custom ASIC alongside NVIDIA clusters
Google Cloud
Hyperscaler deploying custom TPU AI accelerators (v5e via Broadcom/TSMC) alongside NVIDIA A3 GPU clusters
Meta
One of the world's largest GPU buyers; designing MTIA v2 custom AI accelerator via TSMC; largest open-source AI model deployer
Intel
Designs Gaudi 3 AI accelerators and Xeon AI CPUs; TSMC-fabbed at advanced nodes for AI workloads
Marvell
Custom AI ASIC and networking chip designer for hyperscalers; key supplier of Arm-based data center networking and storage controllers to AWS, Azure, and Google
MediaTek
World's #1 mobile SoC designer by volume; Dimensity AI chips compete with Qualcomm/Apple for TSMC advanced node capacity
Oracle Cloud
Deployed the world's largest single NVIDIA GPU cluster (131,072 H100s, 2024); OCI GPU cloud serves enterprise AI and sovereign AI deployments
ASE Technology
World's largest OSAT; packages AI chip dies from TSMC and Samsung for NVIDIA, AMD, Apple, and Qualcomm
Amkor Technology
Second-largest OSAT; packages dies for NVIDIA, Qualcomm, Apple, and Broadcom; operates advanced 2.5D/3D packaging for AI chips
AWS
World's largest cloud provider and AI infrastructure buyer
Cisco Systems
#2 data center networking vendor; Nexus 9000 series and proprietary Silicon One ASIC (TSMC-fabbed) serve enterprise AI and telco cloud deployments
Cerebras Systems
AI chip startup designing the WSE-3 (world's largest chip at 900,000 AI cores on a single wafer-scale die); targets AI training for national labs, pharma, and research institutions
Groq
AI inference chip company designing LPUs (Language Processing Units); GroqCloud holds the fastest publicly benchmarked LLM inference throughput
Biren Technology
China's leading GPU startup; BR100 was TSMC-fabbed at 7nm but Biren was Entity Listed by BIS in Oct 2022, cutting off TSMC access and US EDA tools; now pivoting to domestic fabs
UPSTREAM — SUPPLIERS
ASML
Sole maker of EUV lithography machines
Tokyo Electron
Leading maker of etch and deposition equipment
Applied Materials
Largest semiconductor equipment maker by revenue
KLA
Dominant maker of wafer inspection and metrology tools
Lam Research
Leading supplier of etch and deposition equipment
Shin-Etsu Chemical
World's largest silicon wafer supplier
Sumitomo Chemical
Key supplier of EUV photoresist and compound semiconductors
Ibiden
Dominant supplier of IC substrates for advanced packages
Shinko Electric
Major IC substrate and lead frame supplier
Germanium (CN)
Dominant germanium producer for SiGe transistors and fiber-optic preforms
Tungsten (CN)
Dominant tungsten producer for chip metallization contacts and tooling
Graphite (CN)
Dominant graphite producer for semiconductor crucibles, furnace components, and SiC substrates
SUMCO
#2 global silicon wafer supplier; duopoly with Shin-Etsu controls ~55% of world supply
JSR Corporation
Major EUV and ArF immersion photoresist supplier; taken private by Japan Investment Corporation in 2023
Entegris
Critical process materials supplier: CMP slurries, ultra-high-purity chemical delivery, and wafer carriers
SCREEN Holdings
Leading wafer cleaning and surface treatment equipment maker (~20% global market share)
Kokusai Electric
Critical supplier of batch ALD and CVD furnace systems essential for NAND and DRAM production
SK Hynix
Leading HBM3/HBM3E supplier for AI accelerators
↓ all supply to TSMC ↓
TSMC
World's largest contract chip manufacturer
↓ TSMC supplies to ↓
NVIDIA
Dominant AI GPU designer (H100, H200, B200)
AMD
AI GPU designer challenging NVIDIA with MI300X
Broadcom
Custom ASIC and networking chip designer for hyperscalers
Apple
Designs Apple Silicon (M-series, A-series) — TSMC's single largest customer by wafer revenue
Qualcomm
Leading mobile SoC and edge AI chip designer (Snapdragon X Elite, Cloud AI 100 inferencing)
Microsoft Azure
Second-largest cloud; OpenAI exclusive compute partner; deploying Maia 100 custom ASIC alongside NVIDIA clusters
Google Cloud
Hyperscaler deploying custom TPU AI accelerators (v5e via Broadcom/TSMC) alongside NVIDIA A3 GPU clusters
Meta
One of the world's largest GPU buyers; designing MTIA v2 custom AI accelerator via TSMC; largest open-source AI model deployer
Intel
Designs Gaudi 3 AI accelerators and Xeon AI CPUs; TSMC-fabbed at advanced nodes for AI workloads
Marvell
Custom AI ASIC and networking chip designer for hyperscalers; key supplier of Arm-based data center networking and storage controllers to AWS, Azure, and Google
MediaTek
World's #1 mobile SoC designer by volume; Dimensity AI chips compete with Qualcomm/Apple for TSMC advanced node capacity
Oracle Cloud
Deployed the world's largest single NVIDIA GPU cluster (131,072 H100s, 2024); OCI GPU cloud serves enterprise AI and sovereign AI deployments
ASE Technology
World's largest OSAT; packages AI chip dies from TSMC and Samsung for NVIDIA, AMD, Apple, and Qualcomm
Amkor Technology
Second-largest OSAT; packages dies for NVIDIA, Qualcomm, Apple, and Broadcom; operates advanced 2.5D/3D packaging for AI chips
AWS
World's largest cloud provider and AI infrastructure buyer
Cisco Systems
#2 data center networking vendor; Nexus 9000 series and proprietary Silicon One ASIC (TSMC-fabbed) serve enterprise AI and telco cloud deployments
Cerebras Systems
AI chip startup designing the WSE-3 (world's largest chip at 900,000 AI cores on a single wafer-scale die); targets AI training for national labs, pharma, and research institutions
Groq
AI inference chip company designing LPUs (Language Processing Units); GroqCloud holds the fastest publicly benchmarked LLM inference throughput
Biren Technology
China's leading GPU startup; BR100 was TSMC-fabbed at 7nm but Biren was Entity Listed by BIS in Oct 2022, cutting off TSMC access and US EDA tools; now pivoting to domestic fabs
DOWNSTREAM — CUSTOMERS
QWhat is TSMC's role in the AI chip supply chain?
World's largest contract chip manufacturer
▲CoWoS sold out → 2026
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