Ohio Rev. Code § 5923.02: Persons exempt from military service.

The following persons, if subject to duty in the Ohio organized or unorganized militia, may be exempted by the adjutant general from duty on request:

(A) The vice-president of the United States;

(B) The officers, judicial and executive, of the departments of the state and of the United States, and the members of the general assembly, without regard to age;

(C) Members of the armed forces of the United States or their reserve components;

(D) Customhouse clerks;

(E) Employees of the United States postal service;

(F) Workers employed in armories, arsenals, or naval shipyards of the United States;

(G) Pilots on the navigable waters of the United States;

(H) Mariners licensed by the United States ;

(I) Any person who claims exemption from service because of religious belief or other moral conviction held as a matter of conscience ;

(J) Any person who is unable to serve because of a disability, as that term is defined in section 4112.01 of the Revised Code.