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
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
