 Ohio 's exports constituted 3 @.@ 2 % of total U.S. exports in 2009 , with top destinations being Canada at $ 14 @.@ 2 billion , followed by Mexico , China , United Kingdom , Greece , Brazil , Japan , Germany , France , and Australia . In 2009 the state was the nation 's 7th largest exporter with $ 34 @.@ 1 billion . 13 , 092 companies exported in 2009 , with transportation equipment accounting for $ 9 @.@ 9 billion , machinery $ 4 @.@ 9 billion , chemicals $ 4 @.@ 4 billion , and computer and electronics products $ 2 @.@ 4 billion . 
