DODD is Ohio's state agency overseeing the system of services and supports for people with developmental disabilities, but day-to-day eligibility and service coordination happens entirely at the county level through County Boards of Developmental Disabilities. DODD's website includes a county board locator covering all 88 Ohio counties. Differentiator: this is the state-level oversight agency; families should use the county board locator on this site to find their actual local point of contact, since Ohio is structured as a county-administered system.