The Ohio Association of Adult Services (OAAS) is a not-for-profit organization that represents member county boards of mental retardation and developmental disabilities in the State of Ohio. The Association provides a network of resources and technical assistance for the management and operation of adult services programs. OAAS provides opportunities for professional growth and development and coordinates and disseminates valuable information to member organizations to keep them up-to- date on the latest practices in the adult services field.

The Association represents its member counties by serving as a liaison and resource for the Ohio Association of Superintendents of County Boards of MR/DD; Ohio Association of County Boards of MR/DD; Ohio Rehabilitation Services Commission; PAR; Alliance of Work Centers and other affiliated professional organizations providing services to adults in Ohio.