Never knew when you were coming in if the manager was going to start screaming at the contractors. Didn't act professional and most of the time didn't care about the issues the carriers were having on their routes.
No job security, at the whim of the manager, he would change your route around or even eliminate your route.
Favoritism was very high within the company.
It's the only job were you could lose money the longer you stayed.
When you bring the issues about the Manager to his bosses, no action was ever taken.