Serious Inquiries Only
Key Facts
Abbreviation
SIO
Pronunciation
/ˈsɪriəs ˌɪnkˈwaɪəriz ˈoʊnli/
Category
Business
Related Field
Occupation & Positions
Other meanings of SIO
Serial Input/Output
Computing
Serial I O
Misc
Standard I O
Misc
Seller Initiated Offer
Business
Student Information Online
Academic
Students Islamic Organisation
Academic
Siouan Languages
Regional