My first approach would be to ask the driver if he will pay a cash settlement. He may pay, so he doesn't look bad to his employer.
The company may even pay a cash settlement.
Insurance premiums go up big time when transport companies make a claim. With inexpensive accidents, cash payouts would be less expensive.
Thats a pretty scummy thing to do. It happened on the clock. Regardless of what happened, thats on the company. If a driver is unsafe enought that he is willing to pay that out of pocket, he probably shouldn't be on the road.