 A main sector of the industry is the publishing sector . It ranks 9th out of all states in the number of establishments , which is 1 @,@ 015 , 10th in the number of employees , and 13th in its contribution to the gross state product . McGraw @-@ Hill operates a division in Columbus , Brown Publishing Company distributes over 70 publications throughout the state , and was recently sold to Ohio Community Media ; American Legal Publishing Corporation , headquartered in Cincinnati , codifies ordinances for 1 @,@ 800 cities and counties , and Knight @-@ Ridder has its roots in Akron , although now headquartered in California . 
