Mountain Ridge:

1. "Bent but Not Broken" task - International Loadstar 1700
Judging by the mission description the vehicle shouldn't have been given to the player.

2. "The First Trip" contract - Maintenance Trailer
Does not get destroyed nor awarded upon the completion of the contract

By the Lake:

1. "A Traffic Accident" task - YAR 87
Does not get destroyed upon the completion of the task

2. "A Trip Across the Water" task - TUZ 166
Does not get destroyed upon the completion of the task

3. "A Lost Car" task - KHAN 39 Marshall
Does not get destroyed upon the completion of the task

4. "Tourist Cabin Repairs" contract - Generator
   Does not get destroyed nor awarded upon the completion of the contract

Original post updated, "The First Trip" and "Tourist Cabin Repairs" contracts added.