According to James Jaillet Senior Editor for Overdrive magazine and CCJ .Forbes created annual list of billionaires which includes few trucking companies owners like Jerry Moyes from Swift Transportation with Net worth of $1.2 billion !
“Forbes’ annual list of the world’s billionaires, unveiled Tuesday, includes a few who earned their fortunes in trucking — including a few who started businesses as a single-truck operators, as well as those who founded or inherited large truck stop chains”.

You can read more and see list of all trucking billionaires here : overdriveonline.com/truckings-billionaires-forbes-annual-list-includes-those-who-made-their-fortune-in-trucking/

Source and credits : overdriveonline.com