<s>
This	O
is	O
a	O
list	O
of	O
manufacturers	O
of	O
flash	B-Device
memory	I-Device
controllers	I-Device
for	O
various	O
flash	B-Device
memory	I-Device
devices	O
like	O
SSDs	B-Device
,	O
USB	O
flash	O
drives	O
,	O
SD	B-Device
cards	I-Device
,	O
and	O
CompactFlash	B-Device
cards	I-Device
.	O
</s>
<s>
The	O
following	O
are	O
the	O
largest	O
NAND	O
flash	B-Device
memory	I-Device
manufacturers	O
,	O
as	O
of	O
the	O
first	O
quarter	O
of	O
2019	O
.	O
</s>
