 The Ohio Department of Development estimates that there are 555 motor vehicle production establishments in Ohio , and that by employing around 138 @,@ 000 people , Ohio motor vehicle production employees account for 12 @.@ 7 % of the United States ' motor vehicle production employees . Despite sharp losses since 1999 , the motor vehicle production industry was able to recover in 2001 , producing a net gain of 148 @,@ 000 vehicles . General Motors produced the plurality of motor vehicles in Ohio , with 36 @.@ 5 % of the production of motor vehicles in Ohio , followed closely by Honda with 35 @.@ 9 % . Other major motor vehicle producers in Ohio include DaimlerChrysler ( with 17 @.@ 5 % of production ) and Ford ( with 10 @.@ 5 % of production ) . However , despite the growth listed above , employment statistics and outlooks are much more grim . 
