Ohio Rev. Code Ann. § 3953.09

A title insurance company shall not engage in the business of guaranteeing the payment of the principal or the interest of notes, bonds, or other obligations secured by mortgages upon real property. A title insurance company shall not engage in the business of guaranteeing the completion of improvements in this state. Notwithstanding section 1735.01 of the Revised Code, a title guarantee and trust company may not guarantee the collection of interest and principal of mortgage loans.