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 second quarter of 2023.


 * 1) Samsung Electronics – 31.4%
 * 2) Kioxia – 20.6%
 * 3) Western Digital Corporation – 12.6%
 * 4) SK Hynix – 18.5%
 * 5) Micron Technology – 12.3%
 * 6) Others – 8.7% 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 second quarter 2023.