It's Latin for 'thus'. It is used when there is an error or an oddity in something you are quoting, to show that the person you are quoting made the mistake, not you.
"Sic" is used in written language to indicate that a word or phrase that appears mistaken is reproduced faithfully as originally written. It is usually placed in square brackets after the error to show that it is not a typo or mistake on the part of the transcriber.
The SIC for Retail Bakeries is SIC 5461
SIC 2032
it is designate
The SIC was the Standard Industrial Classification
SIC 2032
SIC 3829
Sic 'Sic' means simply 'thus.' If you really want 'Thus it stands,' that's 'Sic stat.'
SIC 3951
sic
poda
SIC 2759 stands for Commercial Printing
SIC 2631 covers paperboard mills