 In 2004 , the number of people employed in the motor vehicle assembly industry in Ohio was reported to be around 31 @,@ 000 , down from about 40 @,@ 000 throughout the 1990s , while in the motor vehicle parts production industry in Ohio , in December 1997 , employment stood at approximately 122 @,@ 000 employees ; however , that number dropped by about 26 % to 90 @,@ 000 employees by 2004 . Despite the growth facts above , the loss of employment is more likely to directly affect Ohio 's economy . The Ohio Bureau of Labor Market Information estimates that there will be 3 @,@ 300 less assembly employees and 2 @,@ 400 less parts manufacturing employees in 2012 than 2002 . Major firms operating in the state include Ford , Honda , and General Motors . Some major motor vehicle assembly production plants in the state include the Toledo Complex , Lordstown Assembly , Marysville Auto Plant , East Liberty Auto Plant , Ohio Assembly , and Toledo North Assembly . France @-@ based <unk> Group operates a division in Toledo . 
