Ohio Revised Code Title XXXIX. Insurance § 3905.83

(A) “Insurer” means any domestic, foreign, or alien insurance company that has been issued a certificate of authority by the superintendent of insurance to transact surety business in this state.

(B) “Managing general agent” means any person that is appointed or employed by an insurer to supervise or otherwise manage the bail bond business written in this state by surety bail bond agents appointed by the insurer.

(C) “Surety” means an insurer that agrees to be responsible for the fulfillment of the obligation of a principal if the principal fails to fulfill that obligation.