Ohio Rev. Code § 311.22: Service of process.

The court or judge may, for good cause, appoint a person to serve a particular process or order, and such person shall have the same power to execute such process or order which the sheriff has Such person may be appointed on the motion of the party who obtains the process or order, and the return must be verified by affidavit. He shall be entitled to the fees allowed to the sheriff for similar services.