The American Trucking Associations reports that in 2012, trucks moved 9.4 billion tons of freight or about 68.5 percent of all freight tonnage transported domestically. Motor carriers collected $642 billion in revenues or about 81 percent of total revenue earned by all domestic transport modes. Put simply, trucking companies operate by bidding on, winning, and fulfilling transportation accounts and contracts.  

Starting a Business in the Trucking Industry