Diligence packs
As of 2026-09-05, every company that clears the thin-content gate has an operator/investor diligence pack at /diligence/<id> (615 pages). The pack restates graph facts and asks questions. It does not invent revenue, MAU, or a dollar figure.
Worked example: TSMC diligence pack. Canonical path has no trailing slash (same as /company/<id>).
Materials
- Absolics Inc. — SKC subsidiary building a first-of-its-kind glass core substrate mass-production fab in Covington, Georgia.
- Adeka — Chemicals maker supplying high-k/ALD precursors and additives.
- AGC Inc. — Glass and chemicals maker; leading EUV photomask blanks and fluorinated gases.
- Air Liquide — Top industrial and electronic specialty gas supplier to fabs worldwide.
- Air Products — Major supplier of bulk and specialty gases to semiconductor fabs.
- Ajinomoto — Supplies effectively all ABF build-up film, the insulator in advanced CPU/GPU substrates.
- Albemarle Corporation — Lithium and specialty chemicals producer; supplies anhydrous hydrogen bromide for semiconductor plasma etching and butyllithium as an electronic-grade intermediate.
- Arkema — French specialty chemicals group supplying plasma-etch gases (Foranext), ALD/CVD alkylamines, and polyimides for semiconductor and flexible-circuit manufacturing.
- AT&S — Austrian high-end IC substrate and PCB maker expanding advanced packaging.
- Avantor — Materials and services supplier of ultrapure process chemicals to fabs.
- BASF SE — German chemicals major; supplies CMP slurries (PLANAPUR), post-CMP cleaning chemistries, and electronic-grade wet chemicals for wafer fabrication.
- Brewer Science — Specialty spin-on and temporary-bonding materials for advanced packaging.
- Chang Wah Technology — Leadframe and semiconductor packaging materials maker.
- Daeduck Electronics — Korean PCB and IC-substrate manufacturer.
- Dai Nippon Printing — Top-tier photomask producer alongside its printing businesses.
- Daikin Industries — Fluorochemicals maker supplying etch gases and coatings alongside HVAC.
- DNF — Korean maker of CVD/ALD precursors and thin-film materials.
- Dongjin Semichem — Korean photoresist and process-chemical maker supplying Samsung and SK hynix.
- Doosan Electro-Materials — Korean copper-clad laminate and IC-substrate materials maker.
- DuPont — Broad electronic materials supplier; electronics unit being spun off as Qnity.
- Element Solutions — Specialty chemicals for electronics assembly and advanced packaging.
- Entegris — Leader in contamination control, materials handling and CMP consumables.
- Ferrotec — Supplies vacuum feedthroughs, ceramics and materials to equipment makers.
- Foosung — Korean fluorine chemicals and specialty-gas maker.
- FUJIFILM — Electronic materials arm supplies resists, CMP slurries and chemicals.
- Fujimi Incorporated — Specialist leader in CMP slurries and polishing materials.
- GlobalWafers — Third-largest silicon wafer maker; expanding US capacity in Texas.
- Haesung DS — Korean leadframe and package-substrate maker.
- Hansol Chemical — Korean precursor and process-chemical supplier to memory and logic fabs.
- Heraeus — Family-owned precious metals group supplying targets and bonding wire.
- HOYA — Dominant maker of EUV photomask blanks and substrates.
- Ibiden — Leading IC package substrate maker; key supplier for Intel and AI packages.
- IQE — Leading epitaxial compound-semiconductor wafer maker (GaAs, GaN, InP).
- ITEQ — Copper-clad laminate and prepreg maker for high-speed PCBs.
- Iwatani — Industrial and electronic specialty-gas supplier.
- Jiangsu Nata Opto-electronic Material (Nanda Optoelectronics) — Suzhou maker of MO sources, ALD/CVD precursors, electronic specialty gases and ArF photoresist materials.
- JSR — Top photoresist maker incl. EUV resists; taken private by JIC in 2024.
- JX Advanced Metals — World leader in sputtering targets for chip metallization; listed in 2025.
- Kanto Denka Kogyo — Specialty fluorine gas and etchant chemical maker.
- Kingboard Holdings — Major maker of copper-clad laminates and PCB materials.
- Kinsus Interconnect — Pegatron-affiliated IC substrate manufacturer.
- Kyocera — Ceramic packages, substrates, and electronic components.
- LG Innotek — LG affiliate making IC substrates, camera modules, and components.
- Linde — World's largest industrial gas company; major electronics gas business.
- Materion — Advanced materials maker supplying targets and precious-metal products.
- Merck KGaA (EMD Electronics) — Supplies deposition materials, spin-on dielectrics and specialty gases.
- Mitsubishi Chemical Group — Diversified chemicals; electronic materials, polishing slurries, and films.
- Mitsubishi Gas Chemical — Cleaning chemicals and BT substrate resin maker.
- Mitsubishi Materials — Advanced materials; bonding wire, cemented carbide, and low-alpha solder/plating chemicals (exited sputtering targets, complete March 2024).
- Mitsui Chemicals, Inc. — First commercial EUV pellicle manufacturer (ASML license); developing CNT pellicles for High-NA EUV.
- Mitsui High-tec — Leading leadframe maker and precision stamping specialist.
- MK Electron — Korean bonding-wire and solder-materials maker.
- Nagase & Co. — Chemicals trading house and electronic-materials maker.
- Nan Ya PCB — Formosa-group package substrate and PCB maker.
- National Silicon Industry Group — China's largest 300mm silicon wafer maker (Zing Semiconductor).
- Ningbo Jiangfeng Electronic Material (Konfoong) — China's leading maker of ultra-high-purity sputtering targets (Al, Ti, Ta) for semiconductor metallization.
- Nippon Electric Glass — Japanese glass maker; supplies through-glass-via (TGV) glass core substrates for advanced chip packaging and image sensor cover glass.
- Nippon Sanso Holdings — Japanese industrial gas group with strong electronics gas share in Asia.
- Nissan Chemical — Specialty chemicals maker; anti-reflective and spin-on materials for fabs.
- Nitto Denko Corporation — Japanese materials group; supplies semiconductor wafer dicing tape and back-grinding tape.
- Ohara Inc. — Japanese optical and electronic glass maker; supplies low-expansion glass-ceramics and quartz glass for semiconductor exposure equipment and photomask substrates.
- Photronics — Largest merchant photomask manufacturer.
- Resonac — Formed from Showa Denko and Hitachi Chemical; broad back-end materials line.
- Samsung Electro-Mechanics — Samsung affiliate making IC substrates, MLCCs, and camera modules.
- SCHOTT AG — German specialty glass maker owned by the Carl Zeiss Foundation; supplies fused quartz for etch/epitaxy/diffusion equipment, photomask blank glass, and photostructurable FOTURAN glass wafers.
- Shengyi Technology — Copper-clad laminates and substrate materials for PCBs.
- Shennan Circuits — Chinese PCB and IC substrate maker.
- Shin-Etsu Chemical — World's largest silicon wafer maker and a major photoresist supplier.
- Shinko Electric Industries — Package substrate and leadframe maker; taken private by JIC and delisted from TSE in June 2025.
- Siltronic — Top-four silicon wafer producer headquartered in Munich.
- Simmtech — Korean maker of semiconductor substrates and memory-module PCBs.
- SK Enpulse — SK affiliate; divested CMP pads to Hahn & Co. and blank photomasks to Fusion New Material in 2025; absorbed into parent SKC via merger effective 2025-12-23, ceasing as an operating company.
- SK Siltron — SK Group's wafer arm; key 300mm supplier to Korean memory fabs.
- SK Specialty — Korean specialty-gas maker and a top global NF3 supplier.
- Soitec — Dominant supplier of engineered SOI substrates for RF and FD-SOI chips.
- Solar Applied Materials — Taiwanese sputtering target and precious-metal recycling specialist.
- Solvay — Specialty chemicals group supplying high-purity electronic materials.
- Soulbrain — Korea's leading process-chemical and etchant maker, including high-purity HF.
- Stella Chemifa — World's leading maker of high-purity hydrofluoric acid for semiconductors.
- SUMCO — Second-largest silicon wafer producer, supplying all leading fabs.
- Sumitomo Bakelite — Semiconductor encapsulation resins and packaging materials.
- Sumitomo Chemical — Diversified chemicals group with significant photoresist business.
- Sumitomo Metal Mining — Materials maker supplying bonding wire, plating, and target metals.
- Suzhou Crystal Clear Chemical (Jingrui) — Suzhou maker of ultra-high-purity wet chemicals/reagents and photoresist for IC and display manufacturing.
- Taiwan Mask Corporation — Taiwanese merchant photomask maker.
- Tanaka Precious Metals — Precious-metals group supplying bonding wire, plating, and targets.
- TanKeBlue Semiconductor — Beijing pioneer of China's SiC substrate industry; a leading SiC monocrystalline substrate supplier.
- Tokuyama — Japanese chemical maker; semiconductor-grade polysilicon and fumed silica.
- Tokyo Ohka Kogyo — Photoresist specialist with leading EUV resist share.
- TOPPAN Holdings — Major merchant photomask maker within diversified printing group.
- Toray Industries — Japanese materials group; supplies PHOTONEECE photosensitive polyimide used for passivation and dielectric layers in semiconductor packaging.
- Tosoh — Supplies sputtering targets and quartzware for fabs.
- TTM Technologies — North America's largest PCB maker; RF and substrate components.
- Umicore — Belgian materials group supplying sputtering targets, evaporation materials, and copper electroplating chemistries for advanced packaging and semiconductor front-end processes.
- Unimicron — Largest Taiwanese ABF substrate maker serving major fabless customers.
- UP Chemical — Korean maker of CVD/ALD precursors for chip fabrication.
- Wacker Chemie — Major polysilicon and silicone maker supplying semiconductor-grade silicon.
- Wafer Works — Taiwanese silicon wafer maker focused on prime and reclaim wafers.
- Wonik Materials — Korean specialty-gas and precursor supplier for chip fabs.
- Zhen Ding Technology — World's largest PCB maker; flexible and IC substrate supplier to Apple.
Equipment (Front End)
- ACM Research — Cleaning equipment challenger with most revenue from China fabs.
- Advanced Energy — Precision power conversion for plasma processes in fab tools.
- AIXTRON — Leading MOCVD equipment maker for SiC, GaN and LED production.
- AMEC (Advanced Micro-Fabrication) — Chinese plasma etch maker qualified at advanced foundries.
- Applied Materials — Broadest wafer fab equipment maker, leading in deposition and implant.
- ASM International — Leader in atomic layer deposition (ALD) and epitaxy tools.
- ASML — Sole supplier of EUV lithography machines required for all leading-edge chips.
- Atlas Copco — Industrial group; Edwards vacuum pumps and abatement for fabs.
- Axcelis Technologies — Ion implantation pure-play, strong in power semiconductor fabs.
- Brooks Automation — Vacuum robotics and automation for wafer handling.
- Bruker — Scientific instruments maker; metrology and analysis tools for semis.
- Camtek — Inspection and metrology for advanced packaging and HBM.
- Canon — Supplies KrF/i-line lithography and is commercializing nanoimprint litho.
- Carl Zeiss SMT — Sole maker of the precision optics inside every ASML lithography system.
- ClassOne Technology — Wet-processing and electroplating tools for 200mm and specialty fabs.
- Comet Group — RF power delivery and X-ray systems for semiconductor manufacturing.
- Daifuku — Dominant supplier of automated material handling (OHT) inside fabs.
- Ebara — CMP systems maker and leading dry vacuum pump supplier.
- Eugene Technology — Korean LPCVD and ALD deposition equipment specialist.
- Evatec — Swiss thin-film deposition (PVD) systems for packaging and photonics.
- Hana Materials Inc. — South Korean maker of silicon and SiC electrodes/rings consumed in semiconductor dry-etch equipment.
- Hitachi High-Tech — Hitachi subsidiary strong in conductor etch and CD-SEM metrology.
- Horiba — Mass-flow controllers and analytical instruments for fabs.
- HPSP — Near-monopoly maker of high-pressure hydrogen annealing equipment.
- Hwatsing Technology — China's leading domestic CMP (planarization) equipment maker.
- Ichor Holdings — Fluid delivery subsystems for etch and deposition tools.
- INFICON — Vacuum instrumentation and process-control sensors for fabs.
- JEOL — Electron-beam lithography and e-beam metrology instruments.
- Jusung Engineering — Korean ALD, CVD, and epitaxy equipment maker.
- KCTECH — Korean cleaning and CMP equipment maker.
- Kingsemi — Chinese coater/developer and single-wafer cleaning equipment maker.
- KLA — Dominant in process control: wafer inspection and metrology.
- Kokusai Electric — Specialist in batch thermal deposition furnaces for memory and logic.
- Lam Research — Etch leader, critical to 3D NAND and advanced logic patterning.
- Lasertec — Only supplier of actinic EUV photomask inspection systems.
- MKS Instruments — Key subsystem supplier: RF power, vacuum gauges, lasers and optics.
- NAURA Technology — China's largest domestic fab equipment maker across etch and deposition.
- Nikon — DUV lithography maker; distant second to ASML in scanners.
- Nova — Dimensional and materials metrology specialist for process control.
- Onto Innovation — Metrology and inspection for advanced nodes and packaging.
- Oxford Instruments — Plasma etch and deposition tools for compound semis and research.
- Park Systems — Leading atomic-force-microscopy (AFM) metrology maker.
- Pfeiffer Vacuum — Vacuum-pump maker for semiconductor and analytical applications.
- Piotech — Chinese thin-film deposition (PECVD and ALD) equipment maker.
- Plasma-Therm — Plasma etch and deposition systems for specialty and compound-semi devices.
- PSK Inc — Korean dry-strip and etch equipment maker.
- SCREEN Holdings — Leader in wafer cleaning equipment and coater/developer systems.
- SEMES — Samsung's in-house equipment arm; etch, cleaning, and packaging tools.
- Semilab — Hungarian semiconductor metrology and materials characterization tools.
- Shanghai Micro Electronics (SMEE) — China's domestic lithography scanner developer.
- SiCarrier — Chinese semiconductor-equipment maker spanning process and inspection tools.
- Sumitomo Heavy Industries — Industrial group making ion implanters and precision equipment.
- Tokyo Electron — Japan's biggest fab equipment maker; near-monopoly in coater/developers.
- TRUMPF — Sole supplier of the CO2 drive lasers powering EUV light sources.
- Ultra Clean Holdings — Outsourced gas delivery modules and subsystems for equipment OEMs.
- ULVAC — Vacuum equipment maker; sputtering and deposition systems for semis.
- Ushio — Industrial light source maker for lithography and inspection.
- VAT Group — Dominant maker of vacuum valves for semiconductor process tools.
- Veeco Instruments — Deposition specialist: laser annealing, MBE, ion beam and MOCVD.
- Wonik IPS — Korean deposition and thermal-process equipment maker for memory fabs.
- Wonik QnC — Korean quartzware and ceramic components maker for fab tools.
- Zhongke Feice Technology — Chinese metrology and inspection equipment maker.
Equipment (Back End)
- Advantest — Test leader; its testers qualify nearly every AI accelerator and HBM stack.
- Aehr Test Systems — Wafer-level burn-in test systems, used heavily for SiC devices.
- ASMPT — Largest back-end assembly and packaging equipment maker; TCB leader.
- BE Semiconductor Industries — Assembly equipment leader and front-runner in hybrid bonding.
- Beijing Huafeng Test & Control (AccoTest) — Beijing maker of automated test equipment (ATE) for analog, mixed-signal and power ICs.
- Chroma ATE — Taiwanese test and measurement instrument maker for semis and batteries.
- Cohu — Test handlers, contactors and inspection for back-end test cells.
- DISCO — Controls most of the market for wafer dicing and grinding equipment.
- EV Group — Private Austrian leader in wafer bonding and litho for packaging.
- FormFactor — World's largest probe card maker for wafer test.
- Hangzhou Changchuan Technology — Chinese test handler and tester maker.
- Hanmi Semiconductor — Korean leader in TC bonders used to stack HBM memory.
- inTEST — Thermal and test-handling solutions for semiconductor test.
- ISC — Korean burn-in and test socket maker.
- Kulicke & Soffa — Dominant in wire bonders; expanding into advanced packaging.
- Leeno Industrial — Korean probe pin and test socket maker.
- MPI Corporation — Probe cards and test and measurement systems maker.
- Nordson — Dispensing, bonding inspection, and test systems for electronics and semis.
- SUSS MicroTec — Packaging lithography, coaters and bonders for advanced packaging.
- Technoprobe — Leading probe card maker for advanced logic and memory test.
- Teradyne — One half of the ATE duopoly with Advantest; strong in SoC and analog test.
- Tokyo Seimitsu (Accretech) — Wafer dicing, grinding, and metrology equipment maker.
- TOWA — Leader in semiconductor molding/encapsulation equipment.
EDA & IP
- Adeia Inc. — Pure-play IP licensor holding foundational DBI hybrid-bonding patents key to HBM stacking and 3D chiplets.
- Agile Analog — Configurable analog IP for system-on-chips.
- Aldec, Inc. — US EDA company providing FPGA/ASIC simulation and functional verification for safety-critical designs.
- Alphawave Semi — High-speed connectivity SerDes IP; acquired by Qualcomm and delisted from LSE in December 2025, now a Qualcomm subsidiary.
- AnaGlobe Technology, Inc. — Taiwanese EDA firm specializing in IC physical-layout integration and custom layout automation.
- Andes Technology — Taiwanese RISC-V CPU IP vendor.
- Arm Holdings — CPU architecture licensed in virtually every smartphone and most edge devices.
- Arteris — Network-on-chip (NoC) interconnect IP for SoC designs.
- Atomera — Materials-engineering technology (MST) licensed to chipmakers.
- Cadence Design Systems — EDA duopolist with Synopsys; strong in analog, PCB and verification.
- Ceva — Licenses DSP, wireless connectivity and edge AI IP cores.
- Codasip — European RISC-V processor IP company.
- eMemory Technology — Leading embedded non-volatile memory IP licensor.
- Empyrean Technology — China's leading domestic EDA software company.
- Faraday Technology — Taiwanese ASIC design-service and silicon IP provider.
- Flex Logix — Embedded-FPGA IP and AI inference acceleration technology.
- Imagination Technologies — GPU and AI IP licensor, owned by Canyon Bridge.
- Keysight Technologies — Test and measurement leader; RF, photonic, and high-speed EDA tools.
- M31 Technology — Taiwanese silicon IP licensor of foundation and interface IP.
- Primarius Technologies — Chinese EDA maker focused on circuit simulation and device modeling.
- Rambus — Memory interface chips and high-speed interface IP.
- Semidynamics — Customizable RISC-V cores with vector and AI extensions.
- Siemens EDA — Third major EDA vendor (ex-Mentor Graphics), a division of Siemens AG.
- SiFive — Leading commercial RISC-V CPU IP company.
- Silvaco Group, Inc. — EDA software (TCAD, SPICE, extraction) and semiconductor IP for power, display, memory and automotive.
- StarFive — Chinese RISC-V CPU IP and SoC company.
- Synopsys — Largest EDA vendor and major interface IP supplier; acquired Ansys in 2025.
- VeriSilicon — Chinese IP licensing and turnkey chip design services company.
Design (Fabless)
- Achronix — Fabless FPGA and embedded-FPGA (eFPGA) IP supplier.
- Actions Technology — Audio and IoT SoC designer.
- Airoha Technology — Wireless connectivity and audio SoC designer in the MediaTek group.
- Alchip Technologies — ASIC design services leader for AI and HPC chips on TSMC processes.
- Allwinner Technology — Chinese application processor designer for tablets, IoT, and auto.
- Alphabet (Google) — Designs TPU AI accelerators and Tensor phone SoCs for internal use.
- Altera — FPGA maker; former Intel PSG, now majority-owned by Silver Lake.
- Amazon (Annapurna Labs) — Designs Graviton CPUs and Trainium AI chips for AWS via Annapurna Labs.
- Ambarella — Low-power computer vision SoCs for cameras and automotive.
- AMD — x86 CPU and Instinct GPU designer; owns Xilinx FPGA franchise.
- Amlogic — Set-top box, TV and smart home SoC designer.
- Ampere Computing — Arm-based server CPU designer for cloud and hyperscale.
- Apple — Designs A/M-series SoCs and modems for its own devices; TSMC's largest customer.
- ASMedia Technology — High-speed I/O controller designer (USB, PCIe, SATA).
- ASPEED Technology — Dominant supplier of BMC server management chips.
- Astera Labs — Connectivity chips (retimers, CXL, PCIe switches) for AI servers.
- Axelera AI — European edge AI accelerator startup.
- Biren Technology — Chinese GPGPU startup for AI training.
- Blaize — Edge AI inference processors and a software platform.
- Broadcom — Networking silicon leader and main designer of hyperscaler custom AI chips.
- Cambricon Technologies — China's flagship listed AI accelerator designer.
- Cerebras Systems — Wafer-scale AI processor maker; IPO process underway.
- Cornelis Networks, Inc. — US startup building Omni-Path high-performance interconnect fabrics for AI and HPC clusters.
- Credo Technology — Active electrical cables and SerDes connectivity for data centers.
- d-Matrix — In-memory-compute AI inference chip startup.
- Efinix — FPGA startup with a quantum-fabric architecture for edge applications.
- Elan Microelectronics — Touchpad, touchscreen, and microcontroller designer.
- Enfabrica Corporation — US fabless startup making the ACF SuperNIC, a 3.2 Tbps GPU networking chip for AI infrastructure.
- Enflame Technology — Chinese AI training and inference chip designer backed by Tencent.
- Esperanto Technologies — RISC-V based AI inference accelerator designer; ceased operations July 2025, IP acquired by Ainekko/Nekko.ai.
- Espressif Systems — Maker of the ubiquitous ESP32 WiFi/Bluetooth microcontrollers.
- Etched — Startup building transformer-specialized inference ASICs (Sohu).
- Fitipower — Display driver and power management IC designer.
- FuriosaAI — Korean AI inference chip startup.
- Global Unichip (GUC) — TSMC-affiliated ASIC design services company for advanced nodes.
- Gowin Semiconductor — Chinese FPGA maker.
- Graphcore — AI accelerator (IPU) maker; wholly-owned SoftBank subsidiary since July 2024.
- Groq — AI inference chip and cloud provider built on its LPU architecture.
- Hailo — Israeli edge AI accelerator startup.
- Himax Technologies — Display drivers plus ultralow-power AI vision sensors.
- HiSilicon — Huawei's chip design arm: Kirin SoCs and Ascend AI accelerators.
- Holtek Semiconductor — Taiwanese microcontroller and analog IC maker.
- Hygon Information Technology — Chinese x86 CPU and DCU accelerator designer (AMD-licensed lineage).
- Ilitek — Touch and display driver IC designer.
- indie Semiconductor — Automotive-focused fabless designer for ADAS and user experience chips.
- Ingenic Semiconductor — Chinese MCU, edge SoC, and automotive memory designer.
- Kneron — Edge AI neural-processing chips and software.
- Lattice Semiconductor — Leader in small, low-power FPGAs.
- Loongson Technology — Chinese CPU designer with its own LoongArch instruction set.
- LX Semicon — Korea's largest fabless display driver IC designer, an LG affiliate.
- Marvell Technology — Data infrastructure silicon: custom AI compute, optical DSPs, storage.
- MaxLinear — Broadband, connectivity, and infrastructure mixed-signal chip designer.
- MediaTek — Highest-volume smartphone SoC vendor; strong in TV and connectivity chips.
- MegaChips — Japanese ASIC and system-LSI designer.
- Meta Platforms — Designs MTIA inference accelerators for its own data centers.
- MetaX Integrated Circuits (Muxi) — Shanghai GPU startup founded by ex-AMD veterans; STAR-listed maker of training and inference GPUs.
- Microsoft — Designs Maia AI accelerators and Cobalt server CPUs for Azure.
- Montage Technology — Memory interface buffer chips for server DIMMs.
- Moore Threads — Chinese GPU startup targeting graphics and AI compute.
- Mythic — Analog in-memory-compute AI inference chip startup.
- Nordic Semiconductor — Leader in Bluetooth Low Energy wireless SoCs.
- Novatek Microelectronics — Top display driver IC and timing controller designer.
- Nuvoton Technology — Microcontroller and analog maker; owns Panasonic's former semi business.
- NVIDIA — Dominant AI accelerator and GPU designer; also networking via Mellanox line.
- Panmnesia — South Korean fabless startup shipping CXL 3.2 fabric switch silicon for composable AI memory disaggregation.
- Parade Technologies — High-speed interface and display timing controller designer.
- Phytium — Chinese Arm-based server and desktop CPU designer.
- Qualcomm — Leading smartphone SoC and modem designer, expanding into PC and auto.
- QuickLogic — Low-power FPGA and embedded-FPGA IP company.
- Raydium Semiconductor — Display driver IC maker for panels and touch.
- Realtek Semiconductor — High-volume connectivity, audio codec and Ethernet chip designer.
- Rebellions — Korean AI accelerator startup formed by merger with Sapeon.
- Rockchip — Chinese application processor designer for tablets, IoT and edge AI.
- SambaNova Systems — AI chip and systems startup building reconfigurable dataflow accelerators.
- Semtech — LoRa wireless franchise plus optical data center connectivity chips.
- Sequans Communications — Cellular IoT (5G/4G) chipmaker.
- Silicon Labs — Wireless MCUs for IoT: Zigbee, Thread, Matter and BLE.
- SiMa.ai — Edge AI MLSoC for embedded, robotics, and automotive inference.
- SiPearl — European HPC processor designer (Rhea) for exascale computing.
- Sitronix Technology — Taiwanese display driver IC designer.
- Socionext — Japanese custom SoC design house for auto and data center customers.
- Synaptics — Human interface and IoT connectivity chip designer.
- Telechips — Korean automotive infotainment and display SoC designer.
- Telink Semiconductor — Low-power wireless IoT SoC designer.
- Tenstorrent — AI accelerator and RISC-V IP company led by Jim Keller.
- Tesla — Designs FSD and AI training chips for its vehicles and data centers.
- u-blox — Positioning (GNSS) and wireless communication chips and modules.
- UNISOC — China's largest independent mobile SoC designer after HiSilicon.
- Valens Semiconductor — Connectivity chip maker (MIPI A-PHY, HDBaseT).
- Vastai Technologies — Shanghai fabless designer of 7nm general-purpose acceleration chips for AI, video and cloud workloads.
- Ventana Micro Systems — RISC-V data-center CPU chiplet designer.
- Xsight Labs Ltd. — Israeli fabless startup making the E1 800G DPU and X-series Ultra Ethernet switch silicon for AI data centers.
- Zhaoxin — Chinese x86 CPU joint venture between VIA and the Shanghai government.
Analog, Power, RF
- 3Peak — Chinese high-performance analog IC designer.
- Allegro MicroSystems — Magnetic sensor and power IC leader for automotive.
- Alpha and Omega Semiconductor — Power MOSFET and power IC designer.
- Amphenol — Diversified maker of electrical, electronic and fiber-optic connectors, interconnect systems, antennas and sensors; expanding fast in AI data-center interconnect.
- ams OSRAM — Optical sensor and LED maker for consumer and automotive.
- Asahi Kasei Microdevices (AKM) — Audio codec, converter, and magnetic sensor IC maker (AKM).
- Awinic Technology — Chinese analog and mixed-signal designer of audio amps and haptics.
- BizLink Holding — Cable-assembly and connector maker serving AI data-center, automotive/EV and industrial customers.
- Bourns — Circuit protection, passives, and power components.
- Cambridge GaN Devices (CGD) — UK fabless GaN power company spun out of Cambridge University; enhancement-mode ICeGaN transistors.
- Chilisin Electronics — Inductor and magnetic-component maker; Yageo-owned since 2022, brand folded into Pulse Electronics (still trades as TWSE: 2425).
- Chipsea Technologies — Chinese mixed-signal and MCU chipmaker.
- Cirrus Logic — Audio and mixed-signal chips; heavily concentrated in Apple devices.
- Diodes Incorporated — High-volume discrete and analog supplier for consumer and auto.
- Efficient Power Conversion — Gallium-nitride (GaN) power transistors and integrated circuits.
- Egis Technology — Fingerprint sensor and security IC designer.
- Fuji Electric — Major IGBT and power module maker for industry and rail.
- Goodix Technology — Fingerprint sensor and touch controller supplier to Android phones.
- Guerrilla RF, Inc. — Greensboro, NC fabless RF/microwave (MMIC) supplier; LNAs, gain blocks, switches, attenuators and PAs.
- Knowles — MEMS microphones and acoustic and capacitor components.
- Littelfuse — Circuit protection leader with growing power semiconductor line.
- Lotes Co. — Precision connector maker specializing in CPU sockets, memory connectors and I/O connectors.
- MACOM Technology — RF, microwave and photonic semiconductors for telecom and defense.
- Maxscend Microelectronics — Chinese RF front-end chip designer.
- Melexis — Automotive mixed-signal sensor IC specialist.
- Mitsubishi Electric — Power module heavyweight in industrial, rail and SiC.
- Molex — Electronic, electrical and fiber-optic connector maker; wholly owned subsidiary of Koch Industries since 2013.
- Monolithic Power Systems — Fabless high-performance power management IC designer; key in AI servers.
- Murata Manufacturing — World leader in RF filters, modules and MLCC components.
- Navitas Semiconductor — Fabless GaN and SiC power IC designer.
- Nexperia — High-volume discretes maker (ex-NXP unit); Wingtech-owned, under Dutch oversight.
- Nichicon — One of the world's top makers of aluminum electrolytic and conductive-polymer capacitors.
- Nippon Chemi-Con — One of the world's top makers of aluminum electrolytic capacitors and capacitor materials (electrode foils).
- NOVOSENSE Microelectronics — Chinese analog and sensor IC challenger in auto and industrial.
- Power Integrations — Leader in high-voltage AC-DC conversion ICs.
- Qorvo — RF front-end and defense GaN supplier.
- Rubycon Corporation — Privately held Japanese maker of electrolytic and film capacitors and switching power-supply units.
- Samtec — Privately held maker of high-speed board-to-board connectors, cable assemblies and optical interconnects.
- Sanken Electric — Japanese power semiconductor and power IC maker.
- Semikron Danfoss — Power-semiconductor modules for industrial drives and EVs.
- SemiQ Inc. — Lake Forest, CA maker of SiC power semiconductors and 150mm SiC epitaxial wafers for high-voltage uses.
- Sensirion — Environmental and flow sensor solutions.
- SG Micro — Chinese analog IC designer in power management and signal chain.
- Silergy — Leading China-based analog and power management IC designer.
- Sino Wealth Electronic — Chinese MCU and mixed-signal chip designer.
- SiTime — Leader in MEMS-based timing devices replacing quartz oscillators.
- Skyworks Solutions — RF front-end module maker for smartphones; large Apple exposure.
- StarPower Semiconductor — Chinese IGBT and power module maker.
- TagoreTech (Tagore Technology) — US fabless GaN-on-Si RF specialist (Arlington Heights, IL); switches, LNAs and PA modules for 5G.
- Taiyo Yuden — Leading maker of MLCCs and inductors.
- TDK — Electronic components maker; SAW filters, MLCCs, and MEMS sensors.
- TE Connectivity — Maker of connectors and sensors for harsh environments, serving automotive, industrial, aerospace/defense and communications customers.
- Vicor — Modular power-conversion components for AI servers and industry.
- Vishay Intertechnology — Broadline discrete semiconductor and passive component maker.
- VisIC Technologies — Israeli fabless developer of high-voltage GaN power devices (D3GaN) for EV inverters and data centers.
- Walsin Technology — Major MLCC and chip-resistor manufacturer.
- Will Semiconductor (OmniVision) — Owner of OmniVision, a top-three CMOS image sensor designer.
- Yageo — World's top chip-resistor maker and a leading MLCC supplier.
- Yangzhou Yangjie Electronic — Chinese discrete and power semiconductor maker.
IDM
- Analog Devices — High-performance analog leader: converters, amplifiers, power.
- BYD Semiconductor — BYD's chip arm; automotive IGBTs and SiC power devices.
- China Resources Microelectronics — China's largest power-focused integrated device manufacturer.
- Infineon Technologies — World's top power semiconductor maker; strong in auto and SiC/GaN.
- Innoscience — World's largest GaN power device maker, an integrated manufacturer.
- Intel — x86 CPU IDM building an external foundry business on 18A and beyond.
- Magnachip Semiconductor — Display driver and power IDM with analog mixed-signal heritage.
- Microchip Technology — MCU and analog IDM with broad industrial catalog and FPGA line.
- NXP Semiconductors — Automotive and edge processing IDM: MCUs, radar, secure connectivity.
- onsemi — Power and sensing IDM; top-two in SiC and auto image sensors.
- Pragmatic Semiconductor — UK maker of ultra-low-cost flexible thin-film chips.
- Renesas Electronics — Japanese MCU and analog IDM focused on automotive and industrial.
- Robert Bosch — Top automotive MEMS sensor maker with growing SiC fab capacity.
- ROHM — Japanese power and analog IDM; early mover in SiC devices.
- Samsung Electronics — World's largest memory maker, plus leading-edge foundry and Exynos design.
- Silan Microelectronics — Chinese power and analog integrated device manufacturer.
- Sony Semiconductor Solutions — Dominant CMOS image sensor maker for smartphones and cameras.
- STMicroelectronics — European IDM spanning MCUs, sensors, analog and SiC power.
- Texas Instruments — Largest analog chipmaker, manufacturing on its own 300mm fabs.
- Toshiba — Power semiconductor and storage group; taken private by JIP in 2023.
- Wolfspeed — SiC wafer and device pure-play; restructured through Chapter 11 in 2025.
Memory
- ADATA Technology — Memory module and SSD maker.
- Apacer Technology — Industrial-grade memory modules and solid-state drives.
- ChangXin Memory (CXMT) — China's domestic DRAM champion, scaling DDR5 and early HBM.
- Everspin Technologies — Commercial MRAM maker for industrial and aerospace.
- Ferroelectric Memory Company — FeFET ferroelectric non-volatile memory IP.
- Giantec Semiconductor — Chinese EEPROM and mixed-signal chip designer.
- GigaDevice Semiconductor — Top-three NOR flash vendor and Chinese MCU designer.
- Innodisk — Industrial-grade memory and embedded storage maker.
- Integrated Silicon Solution — Specialty DRAM and SRAM for automotive, industrial, and comms.
- Kingston Technology — World's largest independent DRAM module and SSD maker.
- Kioxia Holdings — NAND inventor (ex-Toshiba Memory); operates JV fabs with SanDisk.
- Macronix International — Leading NOR flash and ROM maker.
- Micron Technology — Only US-based DRAM/NAND maker; ramping HBM for AI accelerators.
- Nanya Technology — Taiwanese DRAM maker focused on specialty and consumer DRAM.
- NetApp — Enterprise storage systems and data-management software vendor (ONTAP, all-flash arrays) for on-premises and cloud data centers.
- Netlist — Memory-module maker and memory-technology IP licensor.
- Phison Electronics — Leading NAND flash controller and storage-solution designer.
- SanDisk — NAND and SSD maker spun out of Western Digital in 2025.
- Seagate Technology Holdings — Hard disk drive maker; one of two dominant HDD suppliers to hyperscale and enterprise data centers.
- Shenzhen Longsys Electronics — NAND/DRAM module maker; owner of the Lexar consumer-storage brand (acquired from Micron) and FORESEE industrial-storage brand.
- Silicon Motion — Leading NAND controller designer for SSDs and embedded storage.
- SK hynix — HBM leader supplying NVIDIA; top-two in DRAM, owns Solidigm NAND.
- SMART Modular Technologies — Specialty memory modules and storage (Penguin Solutions).
- Solidigm — NAND flash and enterprise SSD maker, an SK Hynix subsidiary.
- Team Group — Memory module and storage products maker.
- Transcend Information — Memory module, flash, and embedded storage maker.
- Weebit Nano — ReRAM (resistive RAM) non-volatile memory IP developer.
- Western Digital — Hard disk drive maker; refocused on HDDs after spinning off its NAND/flash business as SanDisk in February 2025.
- Winbond Electronics — Specialty memory maker: NOR flash and niche DRAM.
- Yangtze Memory (YMTC) — China's NAND flash champion with Xtacking architecture.
Foundry
- DB HiTek — Korean 200mm analog and power specialty foundry.
- GlobalFoundries — Largest US-based pure-play foundry, focused on specialty nodes.
- Hua Hong Semiconductor — China's second foundry, specialty and power-focused.
- Nexchip Semiconductor — Chinese specialty foundry for display drivers and image sensors.
- Polar Semiconductor — US specialty analog and power semiconductor foundry.
- Powerchip (PSMC) — Taiwanese foundry spanning memory and logic specialty processes.
- Rapidus — Government-backed Japanese foundry targeting 2nm production in 2027.
- SkyWater Technology — US specialty foundry with DARPA-trusted domestic manufacturing.
- SMIC — China's largest foundry, pushing advanced nodes despite export controls.
- Tower Semiconductor — Specialty analog foundry: RF-SOI, SiGe, sensors, power.
- TSMC — World's dominant foundry, manufacturing nearly all leading-edge chips.
- United Microelectronics (UMC) — Taiwan's second foundry, strong in mature and specialty nodes.
- Vanguard International (VIS) — TSMC-affiliated specialty foundry for display drivers and power.
- Win Semiconductors — World's largest GaAs RF foundry.
- X-FAB — European analog/mixed-signal and SiC specialty foundry.
OSAT
- Amkor Technology — Second-largest OSAT; building advanced packaging capacity in Arizona.
- ASE Technology — World's largest OSAT, includes SPIL; key advanced packaging partner.
- Chipbond Technology — Display-driver IC bumping, COG, and gold-bump packaging and test leader.
- ChipMOS Technologies — OSAT focused on display driver and memory packaging/test.
- Deca Technologies — Independent licensor of M-Series fan-out wafer-level packaging with Adaptive Patterning die-shift correction.
- Greatek Electronics — Taiwanese OSAT specializing in memory and logic packaging.
- Hana Micron — Korean OSAT serving Samsung and SK hynix memory packaging.
- Huatian Technology — Top-three Chinese OSAT provider.
- Integra Technologies — US OSAT for high-reliability and defense applications.
- JCET Group — China's largest OSAT (includes former STATS ChipPAC).
- King Yuan Electronics (KYEC) — Largest dedicated test house; heavy AI GPU test exposure.
- LB Semicon — Korean OSAT focused on display driver packaging.
- Lingsen Precision — Taiwanese outsourced assembly and test provider.
- Nepes — Korean OSAT specializing in fan-out advanced packaging.
- Orient Semiconductor (OSE) — Taiwanese outsourced assembly and test provider.
- Powertech Technology (PTI) — Memory-focused OSAT leader in Taiwan.
- SFA Semicon — Korean OSAT, the former STS Semiconductor.
- Sigurd Microelectronics — Taiwanese IC final-test and assembly provider.
- Tongfu Microelectronics — Chinese OSAT and AMD's main packaging partner via JV fabs.
- Unisem — Malaysian OSAT providing chip assembly and test services.
- UTAC Holdings — Singapore-based OSAT for analog and mixed-signal devices.
- Walton Advanced Engineering — Memory and logic packaging and test services.
Distribution & Misc
- Accelink Technologies — Chinese optical component and transceiver maker.
- Aeva Technologies — FMCW lidar-on-chip sensors for automotive and industrial use.
- Applied Optoelectronics — Optical transceiver and component maker.
- Arrow Electronics — Global electronic component distributor and supply chain services.
- Avicena Tech Corp. — Sunnyvale startup pioneering low-power microLED-based optical interconnects for chip-to-chip AI links.
- Avnet — Global distributor with strong design-chain services.
- Ayar Labs — Co-packaged optical I/O chiplets for AI compute interconnect.
- Benchmark Electronics — Electronics manufacturing services provider specializing in aerospace/defense, medical, industrial and semiconductor-capital-equipment customers.
- Celestial AI — Optical interconnect (Photonic Fabric) startup for AI; being acquired by Marvell (definitive agreement announced, expected close ~Q1 CY2026).
- Celestica — EMS/ODM supplier of data-center hardware and AI systems.
- Coherent — Photonics conglomerate: optical transceivers, lasers, SiC materials.
- Compal Electronics — Taiwanese ODM; world's #2 notebook-PC manufacturer, increasingly building AI servers.
- Corning Incorporated — Optical fiber, cable, and glass materials maker; top global producer of optical fiber for AI data center interconnect and a first-mover in glass-core substrates for advanced chip packaging.
- DigiKey — Large catalog distributor of electronic components.
- EFFECT Photonics — Eindhoven fabless coherent-transceiver company delivering compact InP coherent modules for metro and DCI.
- Eoptolink Technology — Optical transceiver maker for AI data centers.
- Fabrinet — Contract manufacturer of optical and photonic components.
- Flex Ltd. — Electronics manufacturing services (EMS)/ODM provider; builds data-center power and liquid-cooling hardware, including JetCool technology acquired in 2024, alongside contract manufacturing.
- Furukawa Electric — Optical fiber, components, and electronic materials maker.
- Gigabyte Technology — Server, GPU, and motherboard maker for AI and data centers.
- Hamamatsu Photonics — Leading maker of photonic devices, sensors, and light sources.
- Hon Hai (Foxconn) — World's largest electronics contract manufacturer; builds AI servers.
- InnoLight Technology — Leading optical transceiver maker for AI data centers.
- Inspur — Chinese server and AI-system maker.
- Inventec — Server and AI-system ODM for cloud data centers.
- Jabil — Global EMS manufacturer building electronics and data-center hardware.
- Lenovo — Global PC and server maker; ISG builds AI servers.
- Lightmatter — Photonic interconnect and compute startup for AI data centers.
- Lumentum Holdings — Optical components and lasers for datacom transceivers and 3D sensing.
- Luxshare Precision Industry — Began as a connector/cable maker, now Apple's largest China-based components supplier and assembler of AirPods, Apple Watch and iPhone.
- Macnica Holdings — Japan's largest semiconductor distributor.
- Mouser Electronics — Catalog distributor of semiconductors and components, owned by TTI.
- nLight — Semiconductor and fiber laser maker.
- OpenLight Photonics, Inc. — Silicon photonics IP company licensing integrated laser-on-silicon PDKs for AI datacenter interconnects.
- PDF Solutions — Yield analytics and process control software for fabs.
- Pegatron — Electronics ODM for computing, networking, and servers.
- Plexus Corp. — Electronics manufacturing services provider focused on complex, regulated products for healthcare, aerospace/defense and industrial customers.
- POET Technologies — Optical interposer and engine maker for transceivers.
- Quanta Computer — Top ODM building AI servers for hyperscalers.
- Ranovus Inc. — Ottawa CPO startup with the monolithic ODIN electro-photonic chip platform for AI datacenter interconnects.
- Rutronik — European electronic component distributor.
- Sanmina Corporation — Electronics manufacturing services (EMS) provider; acquired AMD's ZT Systems data-center infrastructure manufacturing business in October 2025.
- Sondrel — Custom SoC design and turnkey ASIC services (renamed Aion Silicon, April 2025).
- Source Photonics — Optical transceivers for data-center and telecom networks.
- Sumitomo Electric Industries — Optical fiber, compound-semiconductor devices, and EV power modules.
- Supreme Electronics — Taiwanese electronic-component distributor.
- TTI, Inc. — Specialty distributor of passive, connector, and electromechanical parts.
- Weikeng Industrial — Asia-Pacific semiconductor and component distributor.
- Wistron — Taiwanese ODM building servers and AI systems for hyperscalers.
- Wiwynn — Hyperscale AI server and storage ODM (Wistron group).
- WPG Holdings — World's largest semiconductor component distributor.
- WT Microelectronics — Major Asian semiconductor distributor that acquired Future Electronics.
AI & Data Center
- 21Vianet — Chinese carrier-neutral data-center and cloud operator.
- AAON — Manufactures HVAC and liquid cooling systems for data centers under its BASX brand, which grew 72% year over year in Q1 2026 on data-center cooling demand.
- ABB Ltd — Supplies electrification equipment for data centers, including switchgear, power distribution units, and solid-state medium-voltage UPS systems.
- Accton Technology Corporation — Taiwan ODM/OEM of data-center and enterprise switches, including 400G AI/ML white-box fabrics.
- AI21 Labs — Israeli AI lab building enterprise language models.
- AirTrunk — Asia-Pacific hyperscale data-center operator (Blackstone owned).
- Alibaba Group — Chinese cloud leader; T-Head designs Yitian CPUs and Hanguang AI chips.
- Aligned Data Centers — Hyperscale data-center operator with adaptive liquid cooling.
- American Tower — Communications-infrastructure REIT; owns CoreSite data centers.
- Anthropic — AI safety lab building the Claude models; runs on TPUs, Trainium, and GPUs.
- Applied Digital — AI data-center developer and GPU cloud (HPC hosting) provider.
- Arista Networks — High-speed data-center switching for AI back-end networks.
- Asetek — Liquid-cooling technology for high-performance computing; taken private via compulsory redemption by CQXA and removed from Nasdaq Copenhagen in May 2026.
- Asia Vital Components Co., Ltd. — Taiwanese thermal-solutions maker: fans, heat sinks, vapor chambers and liquid cooling for AI servers.
- Baidu — Chinese AI and cloud leader; designs Kunlun AI accelerators.
- Bit Digital — GPU cloud (WhiteFiber) and digital-asset infrastructure operator.
- Bitdeer Technologies — Data-center operator and ASIC maker for AI/HPC and bitcoin mining.
- Bloom Energy — Manufactures solid oxide fuel cells deployed as on-site power sources for AI data centers, with supply agreements including Oracle and Equinix.
- Caterpillar — Manufactures diesel and natural-gas generator sets and grid-forming battery energy storage systems for data-center backup and prime power.
- Chindata Group — Hyperscale data-center operator in China and emerging Asia (Bain Capital).
- Ciena — Optical networking and coherent transport for data-center interconnect.
- Cipher Mining — Data-center developer for HPC/AI and bitcoin mining.
- Cisco Systems — Networking giant supplying AI data-center switching and silicon.
- Cohere — Enterprise large-language-model developer.
- Cologix — North American interconnection and colocation operator.
- Colt Data Centre Services — Hyperscale data-center operator across Europe and Asia.
- Compass Datacenters — US build-to-suit hyperscale data-center developer.
- CoolIT Systems Inc. — Direct liquid cooling (DLC) systems and coolant distribution units for data centers and HPC.
- Core Scientific — Data-center operator hosting HPC/AI (incl. CoreWeave) and bitcoin mining.
- CoreSite — US interconnection and colocation operator (American Tower).
- CoreWeave — Largest pure-play GPU cloud (neocloud) renting NVIDIA capacity for AI.
- Crusoe Energy — Energy-first AI cloud building power-colocated GPU data centers.
- Cummins — Manufactures diesel and natural-gas backup generator sets for data centers.
- CyrusOne — Global hyperscale data-center operator (KKR/GIP owned).
- DataBank — US enterprise colocation and edge data-center operator.
- Dell Technologies — Top AI server and infrastructure systems integrator.
- Delta Electronics — Power supplies, cooling, and power management for data centers and EVs.
- Digital Realty — Global data-center REIT; major hyperscale and AI capacity provider.
- DigitalBridge — Digital-infrastructure investment manager owning DC and tower platforms.
- DriveNets Ltd. — Israeli firm providing disaggregated Network Cloud software and Ethernet AI fabric on white-box hardware.
- Eaton — Electrical power management and data-center power infrastructure.
- EdgeConneX — Global hyperscale and edge data-center developer.
- Emerson Electric — Supplies automation, measurement, and control systems for data-center power and cooling infrastructure, including DCIM and building management software.
- Equinix — World's largest data-center and interconnection REIT.
- Flexential — US colocation and hybrid-IT data-center operator.
- Fluidstack — Builds and operates AI data centers, including power acquisition, for large-scale AI compute.
- FSP Technology Inc. — Taiwanese FSP Group power-supply maker producing server PSUs (CRPS), UPS and battery backup units.
- Galaxy Digital — Crypto financial firm developing the Helios AI data-center campus.
- GDS Holdings — Leading Chinese data-center developer and operator.
- GE Vernova — Manufactures power transformers, grid switchgear, and gas turbines that connect AI data centers to the electrical grid.
- Generac Holdings — Manufactures diesel and natural-gas backup generators for data centers, including a global supply agreement with a hyperscale data-center operator.
- Global Switch — Large carrier-neutral data-center operator in Europe and Asia-Pacific.
- Hammond Power Solutions — Manufactures dry-type distribution transformers for the North American market.
- Hewlett Packard Enterprise — Enterprise servers, HPC, and AI systems (incl. Cray).
- Hitachi Energy — Manufactures power transformers and grid-to-rack power conversion equipment for data centers; a wholly owned subsidiary of Hitachi Ltd, headquartered in Zurich.
- HIVE Digital Technologies — Data-center operator for AI/HPC (Buzz HPC) and bitcoin mining.
- Huawei — Chinese networking and cloud giant; Ascend AI accelerators via HiSilicon.
- Hubbell Incorporated — Supplies electrical products for data centers, including power distribution units, cable management, and structured cabling, through its Electrical and Utility Solutions segments.
- Hugging Face — Open-source AI model hub and machine-learning platform.
- Hut 8 — Energy-infrastructure and data-center operator for AI/HPC and bitcoin.
- IBM — Enterprise computing and cloud; designs its own Power and Telum chips.
- IREN — Builds and operates data centers for AI compute and bitcoin mining.
- Iron Mountain — Records-management REIT with a fast-growing data-center business.
- Johnson Controls International plc — Manufactures YORK-brand chillers for data-center cooling and has invested in liquid-cooling technology company Accelsius.
- Juniper Networks — Networking systems and AI-driven data-center switching and routing.
- Keppel DC REIT — Asia-Pacific data-center REIT.
- Lambda — GPU cloud and AI workstation provider for training and inference.
- Legrand SA — Supplies power distribution and control equipment for data centers, including rack PDUs and busway, through its Data, Power and Control division.
- Lite-On Technology — Power supplies and optoelectronics for servers and electronics.
- Mistral AI — European AI lab building open-weight foundation models.
- Modine Manufacturing — Manufactures data-center cooling systems, including chillers and liquid cooling, under its Airedale by Modine brand, and secured a $4 billion long-term capacity agreement in 2026.
- Munters Group — Air treatment and data-center cooling systems.
- Nebius Group — AI-focused GPU cloud spun out of Yandex; full-stack neocloud.
- New H3C — Chinese networking, server, and AI-infrastructure provider.
- NEXTDC — Australian hyperscale data-center operator.
- Nokia — Telecom and data-center networking systems and optical transport.
- Nscale — AI GPU cloud and data-center operator.
- NTT — Japanese telecom giant; NTT Global Data Centers is a top-five operator.
- nVent Electrical — Electrical connection, protection, and liquid-cooling enclosures.
- OpenAI — Leading AI lab (ChatGPT); designing custom inference silicon with Broadcom.
- Oracle — Enterprise software giant; OCI is a fast-growing AI cloud renting GPUs.
- Parker Hannifin — Manufactures liquid-cooling quick disconnects, sensors, and fluid-transfer components for data-center thermal management systems.
- Perplexity AI — AI-powered answer engine and search company.
- Powell Industries — Manufactures medium- and low-voltage switchgear for data centers, including electrical substations, and holds a $1.6 billion order backlog driven partly by data-center wins.
- Pure Storage — All-flash storage systems for AI and enterprise data centers.
- QTS Data Centers — US hyperscale data-center operator owned by Blackstone.
- Quanta Services — Provides electrical engineering, procurement and construction (EPC) services for data-center power infrastructure, including transmission lines and substations.
- Rittal — Manufactures IT enclosures, racks, and cooling systems for data centers; the world's largest enclosure manufacturer, privately held as part of the family-owned Friedhelm Loh Group.
- Sabey Data Centers — US hyperscale and enterprise data-center developer and operator.
- Scale AI — Data-labeling and AI infrastructure for model training.
- Schneider Electric — Energy management and data-center power/cooling infrastructure.
- Siemens Energy AG — Manufactures power transformers and grid technology for data-center power connections, and is investing $1 billion to expand US grid-equipment manufacturing.
- Sify Technologies — Indian data-center, network, and cloud-services operator.
- Soluna Holdings — Green data centers co-located with renewable power for AI/HPC.
- STACK Infrastructure — Global hyperscale data-center platform (IPI Partners).
- STULZ — Manufactures precision air conditioning and liquid cooling systems for data centers; a privately held, family-owned company headquartered in Hamburg.
- Submer Technologies S.L. — Single-phase immersion cooling solutions for HPC, hyperscale and AI data centers.
- Super Micro Computer — AI server and liquid-cooled rack systems builder.
- Switch — US hyperscale data-center operator (DigitalBridge/IFM owned).
- Tencent — Chinese internet and cloud giant developing in-house AI silicon.
- TeraWulf — Operator of data centers for AI/HPC hosting and bitcoin mining.
- Together AI — GPU cloud and inference platform for open models.
- Trane Technologies plc — Manufactures chillers and liquid cooling systems for data centers, including a thermal management reference design co-developed with NVIDIA, and acquired liquid-cooling company LiquidStack in 2026.
- Vantage Data Centers — Global hyperscale data-center developer and operator.
- VAST Data — AI data platform and storage software for large GPU clusters.
- Vertiv — Leading data-center power and liquid-cooling systems maker.
- Voltage Park — GPU cloud provider for AI training and inference.
- xAI — Elon Musk's AI lab (Grok); operates the Colossus GPU supercluster.
- Yondr — Global hyperscale data-center developer and operator.
- ZTE — Chinese telecom-equipment maker; designs chips via its Sanechips unit.
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