Conversation so far:
how many trucks does jb hunt have on the road
J.B. Hunt operates more than 12,000 trucks.
when was jb hunt founded
J.B. Hunt was founded on August 10, 1961, 58 years ago.
what is jb hunt's primary operation
J.B. Hunt primarily operates large semi-trailer trucks and provides transportation services throughout the continental U.S., Canada and Mexico.

Question: who are competitors
Self-contained rewrite: who are jb hunt's competitors