Hi,
Try Airexpress Algeria. Worked with them before, i'm sure they can help you out or at least point you in the right direction.
[email protected] +213 (29) 73 04 91,+ 213 (29) 73 05 56, + 213 (29) 73 05 89 Ask for Anette.
Otherwise the airport is A-OK. Never had problems with the local authorities while doing domestic flights on foreign registration. Can't comment on intl' thou.
Cheers,
Booze