 Ohio is considered a center of science and industry , with museums dedicated to such in Columbus , COSI , the Great Lakes Science Center in Cleveland , the Imagination Station in Toledo , and the Boonshoft Museum of Discovery in Dayton . The state includes many historically strong industries , such as banking and insurance , which accounts for 8 % of the gross state product , motor vehicle manufacturing , research and development , and steel production , accounting for 14 @-@ 17 % of the nation 's raw output . More traditional industries include agriculture , employing one out of seven Ohioans , and new and developing sectors include bioscience , green , information , and food processing industries . Ohio is the biggest manufacturer of plastics and rubber in the country , has the largest bioscience sector in the Midwest , and ranked fourth in the country for green economic growth through 2007 . 
