Here is the full list of all 12 Transport Giant (EU) trophies - there are 7 bronze, 4 silver and 1 gold.
Finished all tutorials
Played for at least 1 hour
Played for at least 10 hours
Played for at least 50 hours
Played for at least 75 hours
Played for at least 100 hours
Finished USA campaign
Finished Europe campaign
Posessed 10 vehicles at the same time
Posessed 25 vehicles at the same time
Destroyed infrastructure for 1,000,000
Earn at least 100,000,000