Survey on roadside assistance

Who the heck is this?
Have rang back numerous times and unable to understand their name or company.
Does anyone know who they are and why they are trying to contact me?
My phone number is listed as a private number unsure of how they obtained it.

persistent and annoying leave no message but still obliged to check , please stop.

Persistent and annoying. Added to auto-reject list so that now when they call my phone won't even ring. They just don't get the message.

I keep getting calls from this number. No idea who it is from, nor where they got my number from as it is unlisted. Wish they would stop.