State Unemployment Insurance is one meaning. If this doesn't fit, you will need to give information as to how SUI was used in your particular case.
SUI is not an official abbreviation for any country
He is a ruler to the Sui Dynasty.
yung sui
State unemployment insurance (SUI)
Sonia Sui is 173 cm.
Sui He is 5' 9 1/2".
Sui Junbo is 168 cm.
Sui Yunjiang was born in 1945.
Sui Xinmei was born in 1965.
Sonia Sui was born in 1981.
Lu Sui was born in 776.