State of Ohio
Population: 11,544,225
Open or Concealed Carry: Concealed
May Issue or Shall Issue: Shall Issue
Administrative Body: Attorney General
Reciprocity: Alaska, Arizona, Arkansas, Delaware, Florida, Idaho, Kansas, Kentucky, Louisiana, Michigan, Missouri, New Mexico, North Carolina, North Dakota, Nebraska, Oklahoma, South Carolina, Tennessee, Utah, Virginia, Washington, West Virginia, and Wyoming 

As of March 23, 2015

"Provides that if a person who is not an Ohio resident and has a valid concealed
handgun license from another state, regardless of whether the other state has
entered into a reciprocity agreement with the Attorney General, and the person is
temporarily in Ohio, that out-of-state license will be recognized in Ohio during the
time that the person is temporarily in Ohio (R.C. 109.69(B)(3))."

Link to The State of Ohio
Updated 4/2/15