Old Dominion Freight Line (ODFL) is the fifth largest less-than-truckload carrier in the U.S. LTL carriers charge premium prices for smaller loads that don’t require a full 48- or 53-foot trailer. Key Fundamentals Sales growth had been in the single or low double digits for several quarters, but jumped to 19% in Q2. Earnings growth also accelerated from 13% to 26%. Old Dominion’s three-year annual growth rate is a solid 48%.