I had similar happen just yesterday actually (referring to OP) except it was pre-scene...
We were posted outside of a Home Depot and someone with a trailer parks infront and kind of to the left of us without straightening their trailer (effectively blocking us from being able to move forward)...
The company I currently work for, as I assume most if not all companies do, had us sign a conflict of interest contract stating that we cannot work a second job with another medical transport agency.
That said, I was wanting to pick up a position as a dispatch so I could get a feel for their...