"That should really be a commitment. And now that we have a crisis, the companies are really taking care of their own workers. And when they saw there was really a need to re-locate the workers, then they moved," said Dimzon.

But getting out safely is not easy, particularly in areas where violence is the worst.

A recruiter for the workers says there are not enough people to staff immigration posts at the Tripoli airport and flights are practically grounded.