List of flash memory controller manufacturers

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.

1. Samsung Electronics 30%
2. SK Hynix 20%
3. Kioxia 14%
4. Micron Technology 13%
5. YMTC 13%
6. 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 solid-state drive manufacturers

References

External links

• SSD Controller List