SK hynix
As of 2026-10-09, SK hynix has 170 tracked suppliers and 14 tracked customers in this dataset; its largest supplier by market cap is ASML.
Sourced from 3 references — SEC filing, primary source, archived page — last verified .
HBM leader supplying NVIDIA; top-two in DRAM, owns Solidigm NAND.
- Ticker
- KRX: 000660
- Headquarters
- Icheon
- Founded
- 1983
- Employees
- 17,130
- Revenue
- $72.4B (FY2025) · +46.8% YoY
- Net income
- $32.0B
- Operating margin
- 76.3%
- Market position
- leader
- Value-chain segment
- DRAM, NAND, HBM
- Key products
- HBM3E/HBM4, DDR5, NAND
About SK hynix
SK hynix, headquartered in South Korea, operates in the DRAM and NAND and HBM segments of the semiconductor & AI supply chain and is positioned as a market leader there. Its key products include HBM3E/HBM4, DDR5, NAND. wafergraph maps 170 tracked suppliers and 14 tracked customers for SK hynix across the value chain. It has a supply-chain criticality score of 81/100, with 235 companies downstream of it. SK hynix is a party to 2 tracked deals, including SK hynix acquires Intel NAND (Solidigm); SK hynix Indiana HBM fab.
SK Hynix Inc., stylized SK hynix, is a South Korean semiconductor company that manufactures dynamic random-access memory (DRAM) chips and flash memory chips. SK Hynix is one of the world's largest semiconductor vendors, and, along with Samsung Electronics and Micron, one of the "Big Three" memory manufacturers.
Role in the chain
SK hynix is a market leader in Memory (DRAM), headquartered in South Korea. HBM leader supplying NVIDIA; top-two in DRAM, owns Solidigm NAND.
Diligence questions
- The dataset records 170 tracked suppliers for SK hynix. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
- 43 of SK hynix's tracked suppliers are a monopoly or leader (including Ajinomoto, ASML, Carl Zeiss SMT, TRUMPF). Which of those are actually single-source for the process step you care about?
- The dataset names 14 tracked customers for SK hynix. How concentrated is demand among those names, and which of them have a documented second source in this graph?
- SK hynix is positioned as a leader in Memory. How replaceable is this vendor on the process step you are buying?
- SK hynix is headquartered in South Korea. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
- SK hynix trades as KRX:000660. What does the latest reported period say about capacity and backlog versus the graph position above?
Key products
- HBM3E/HBM4
- DDR5
- NAND
Suppliers
- Shin-Etsu Chemical · relationship
- SUMCO · relationship
- GlobalWafers · relationship
- Siltronic · relationship
- SK Siltron · relationship
- JSR · relationship
- Tokyo Ohka Kogyo · relationship
- Sumitomo Chemical · relationship
- Merck KGaA (EMD Electronics) · relationship
- Entegris · relationship
- Air Liquide · relationship
- Linde · relationship
- Air Products · relationship
- Nippon Sanso Holdings · relationship
- Ibiden · relationship
- Unimicron · relationship
- Nan Ya PCB · relationship
- Shinko Electric Industries · relationship
- Kinsus Interconnect · relationship
- Ajinomoto · relationship
- HOYA · relationship
- Photronics · relationship
- TOPPAN Holdings · relationship
- Dai Nippon Printing · relationship
- Fujimi Incorporated · relationship
- Resonac · relationship
- Tosoh · relationship
- Materion · relationship
- Heraeus · relationship
- Ferrotec · relationship
- ASML · relationship
- Carl Zeiss SMT · relationship
- TRUMPF · relationship
- Nikon · relationship
- Canon · relationship
- Applied Materials · relationship
- Lam Research · relationship
- Tokyo Electron · relationship
- KLA · relationship
- ASM International · relationship
- Kokusai Electric · relationship
- SCREEN Holdings · relationship
- Hitachi High-Tech · relationship
- Axcelis Technologies · relationship
- Onto Innovation · relationship
- Nova · relationship
- Camtek · relationship
- Veeco Instruments · relationship
- AIXTRON · relationship
- ACM Research · relationship
- NAURA Technology · relationship
- MKS Instruments · relationship
- Advanced Energy · relationship
- Ultra Clean Holdings · relationship
- Ichor Holdings · relationship
- Ebara · relationship
- Daifuku · relationship
- JEOL · relationship
- Advantest · relationship
- Teradyne · relationship
- DISCO · relationship
- BE Semiconductor Industries · relationship
- ASMPT · relationship
- Kulicke & Soffa · relationship
- EV Group · relationship
- SUSS MicroTec · relationship
- TOWA · relationship
- Cohu · relationship
- Aehr Test Systems · relationship
- Hanmi Semiconductor · relationship
- Rambus · relationship
- Wolfspeed · relationship
- Dongjin Semichem · relationship
- Soulbrain · relationship
- Hansol Chemical · relationship
- Stella Chemifa · relationship
- SK Specialty · relationship
- Haesung DS · relationship
- MK Electron · relationship
- ULVAC · relationship
- Wonik IPS · relationship
- Jusung Engineering · relationship
- Eugene Technology · relationship
- PSK Inc · relationship
- KCTECH · relationship
- Park Systems · relationship
- FormFactor · relationship
- Hana Micron · relationship
- HPSP · relationship
- Leeno Industrial · relationship
- ISC · relationship
- Wonik QnC · relationship
- Ningbo Jiangfeng Electronic Material (Konfoong) · relationship
- National Silicon Industry Group · relationship
- Wafer Works · relationship
- Avantor · relationship
- Kanto Denka Kogyo · relationship
- Daikin Industries · relationship
- Element Solutions · relationship
- Brewer Science · relationship
- Foosung · relationship
- AT&S · relationship
- Zhen Ding Technology · relationship
- Samsung Electro-Mechanics · relationship
- LG Innotek · relationship
- Shennan Circuits · relationship
- TTM Technologies · relationship
- Solar Applied Materials · relationship
- Taiwan Mask Corporation · relationship
- SK Enpulse · relationship
- Mitsui High-tec · relationship
- Chang Wah Technology · relationship
- Tanaka Precious Metals · relationship
- Sumitomo Metal Mining · relationship
- Piotech · relationship
- SEMES · relationship
- Oxford Instruments · relationship
- Sumitomo Heavy Industries · relationship
- Bruker · relationship
- VAT Group · relationship
- Comet Group · relationship
- Horiba · relationship
- Pfeiffer Vacuum · relationship
- Atlas Copco · relationship
- Brooks Automation · relationship
- Chroma ATE · relationship
- Technoprobe · relationship
- MPI Corporation · relationship
- Keysight Technologies · relationship
- Kingsemi · relationship
- Hwatsing Technology · relationship
- Hangzhou Changchuan Technology · relationship
- Zhongke Feice Technology · relationship
- Shanghai Micro Electronics (SMEE) · relationship
- Tokyo Seimitsu (Accretech) · relationship
- Ushio · relationship
- Nissan Chemical · relationship
- Mitsubishi Gas Chemical · relationship
- inTEST · relationship
- IQE · relationship
- Wacker Chemie · relationship
- Tokuyama · relationship
- Mitsubishi Materials · relationship
- Solvay · relationship
- Mitsubishi Chemical Group · relationship
- Wonik Materials · relationship
- DNF · relationship
- Iwatani · relationship
- INFICON · relationship
- Evatec · relationship
- Semilab · relationship
- Nordson · relationship
- Plasma-Therm · relationship
- Furukawa Electric · relationship
- Kyocera · relationship
- Simmtech · relationship
- Shengyi Technology · relationship
- ITEQ · relationship
- Daeduck Electronics · relationship
- AGC Inc. · relationship
- Sumitomo Bakelite · relationship
- Nagase & Co. · relationship
- UP Chemical · relationship
- Adeka · relationship
- ClassOne Technology · relationship
- SiCarrier · relationship
- Atomera · relationship
- Kingboard Holdings · relationship
- Doosan Electro-Materials · relationship
- Adeia Inc. · relationship
Customers
- NVIDIA · relationship
- AMD · relationship
- Broadcom · relationship
- Alphabet (Google) · relationship
- Amazon (Annapurna Labs) · relationship
- Microsoft · relationship
- Dell Technologies · relationship
- Hewlett Packard Enterprise · relationship
- Super Micro Computer · relationship
- Apple · relationship
- Solidigm · relationship
- SMART Modular Technologies · relationship
- Netlist · relationship
- Integrated Silicon Solution · relationship
More Memory companies
Compare with
Micron Technology · Samsung Electronics · Nanya Technology · Winbond Electronics · Kioxia Holdings · SanDisk
Sources
Open the interactive supply-chain view →
Cite as: wafergraph, “SK hynix — supply chain, financials & market position”, https://wafergraph.com/company/sk_hynix (data as of 2026-10-09).
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