This is a list of manufacturers of flash memory controllers for various flash memory devices like SSDs, USB flash drives, SD cards, and CompactFlash cards.
List Name Based in Status ManufacturesNVMe Controllers ManufacturesSATA Controllers ManufacturesCF & SD Controllers Acquired by SanDisk then Western Digital United States Captive Greenliant Systems United States Independent Hyperstone Germany Independent Acquired by Toshiba then Kioxia South Korea Captive Intel United States Captive IntelliProp United States Independent InnoGrit China Independent JMicron, spun off into Maxiotek Taiwan Independent Marvell United States Independent Maxio China Independent Micron United States Independent Novachips South Korea Independent Phison Taiwan Independent Realtek Taiwan Independent Samsung South Korea Captive SanDisk United States Captive SK Hynix South Korea Captive Acquired by Seagate Technology United States Captive Silicon Motion Taiwan Independent Starblaze China Independent Acquired by HGST then Western Digital United States Captive Kioxia Spun off from Toshiba Japan Captive VIA Technologies Taiwan Captive FADUSouth KoreaCaptive KraftwayRussiaIndependent DSOLRussiaIndependent Note: Independent=sells to any 3rd party; Captive=only used for their own products
Largest NAND flash memory manufacturers The following were the largest NAND flash memory manufacturers, as of the third quarter of 2025.
Samsung Electronics 30% SK Hynix 20% Kioxia 14% Micron Technology 13% YMTC 13% Western Digital Corporation 11%
Note: SK Hynix acquired Intel's NAND business at the end of 2021 Kioxia spun out and got renamed of Toshiba in 2018/2019.
Samsung remains the largest NAND flash memory manufacturer as of third quarter 2025.
See also Flash memory History of hard disk drives List of defunct hard disk manufacturers List of DRAM manufacturers List of solid-state drive manufacturers
References
External links SSD Controller List