Foundry & Chip Manufacturing

Company	Region	Sector	AI layer	Listing	Revenue	Index rank
Samsung Electronics 삼성전자 A vertically integrated supplier of memory, logic chips, foundry services, and consumer devices, providing critical high-bandwidth memory and manufacturing capacity for global AI infrastructure.	South Korea	Memory	Silicon & Foundry, AI Server Hardware, Edge AI & Devices	KRX: 005930 (common shares)	Korean won 333.606 trillion	#1
SK Hynix SK하이닉스 Supplies the high-bandwidth memory, server DRAM, and enterprise storage that determine whether AI accelerators and data-center systems can access data at required speeds.	South Korea	Memory	Silicon & Foundry, AI Server Hardware	KRX: 000660	97.1467 trillion Korean won	#2
TSMC 台積電 The world's leading contract chipmaker, supplying the advanced logic fabrication and CoWoS packaging required for AI accelerators, server processors, and networking silicon.	Taiwan	Foundry & Chip Manufacturing	Silicon & Foundry, AI Server Hardware	TWSE: 2330	US$122B	#3
Wistron 緯創 A major Taiwanese electronics manufacturer and original design manufacturer that builds and integrates AI servers for global cloud and enterprise data centers.	Taiwan	Servers, PCs & ODMs	AI Server Hardware, Power & Infrastructure	TWSE: 3231	NT$2.187 trillion	#31
SMIC 中芯國際 China's largest pure-play foundry, providing critical domestic manufacturing capacity for chips used in consumer electronics, automotive, and edge AI devices.	China	Foundry & Chip Manufacturing	Silicon & Foundry, Edge AI & Devices	SSE: 688981 (STAR Market)	US$9.3B	#38
UMC 聯電 Taiwan's second-largest dedicated foundry, producing the mature-node and specialty logic chips that provide connectivity, power, and networking for AI systems.	Taiwan	Foundry & Chip Manufacturing	Silicon & Foundry, Power & Infrastructure, Edge AI & Devices	TWSE: 2303	NT$237.553 billion	#45
VIS 世界先進 A Taiwanese specialty foundry manufacturing mature-node analog, power-management, and mixed-signal chips for automotive, industrial, and edge devices.	Taiwan	Foundry & Chip Manufacturing	Silicon & Foundry, Power & Infrastructure, Edge AI & Devices	TPEx: 5347	NT$48.591 billion	#66
DB HiTek 디비하이텍 A South Korean specialty foundry manufacturing analog and power semiconductors that support AI data centers, robotics, and industrial electronics.	South Korea	Foundry & Chip Manufacturing	Silicon & Foundry, Power & Infrastructure	KRX: 000990 (KOSPI)	Korean won 1.397 trillion	#95
PSMC 力積電 A Taiwan-based foundry transitioning from mature-node logic and specialty memory to 3D wafer stacking, silicon interposers, and passive components for AI infrastructure.	Taiwan	Foundry & Chip Manufacturing	Silicon & Foundry, AI Server Hardware, Power & Infrastructure	TWSE: 6770	NT$46.730 billion	#97
Hua Hong Semiconductor 华虹半导体 / 华虹宏力 A Shanghai-headquartered pure-play specialty foundry operating mainly in mature and specialty process technologies, supporting AI servers and edge devices through power-management and analog chips.	China	Foundry & Chip Manufacturing	Silicon & Foundry, Power & Infrastructure, Edge AI & Devices	HKEX: 01347	US$2.4B	#110
Rapidus ラピダス A Japanese state-backed start-up foundry developing a 2 nanometer logic process and advanced packaging to manufacture high-performance chips.	Japan	Foundry & Chip Manufacturing	Silicon & Foundry, Edge AI & Devices	Private company		—

Revenue is the latest full fiscal year in each profile. Companies without a US-dollar figure show their reporting currency and sort last.

Bold: the company's main layer. Regular: a layer it also works in.

Silicon & Foundry

Chip design, manufacturing, memory, and packaging

• Samsung Electronics South Korea
• SK Hynix South Korea
• TSMC Taiwan
• SMIC China
• UMC Taiwan
• VIS Taiwan
• DB HiTek South Korea
• PSMC Taiwan
• Hua Hong Semiconductor China
• Rapidus Japan

AI Server Hardware

Servers, boards, components, cooling, and racks

• Samsung Electronics South Korea
• SK Hynix South Korea
• TSMC Taiwan
• Wistron Taiwan
• PSMC Taiwan

Power & Infrastructure

Energy, batteries, networks, and data-center facilities

• Wistron Taiwan
• UMC Taiwan
• VIS Taiwan
• DB HiTek South Korea
• PSMC Taiwan
• Hua Hong Semiconductor China

Edge AI & Devices

Phones, vehicles, robots, and devices running AI locally

• Samsung Electronics South Korea
• SMIC China
• UMC Taiwan
• VIS Taiwan
• Hua Hong Semiconductor China
• Rapidus Japan

Bold names have this as their primary layer. Many companies span more than one.