OASIS (Ontario Agencies Supporting Individuals with Special Needs) is a provincial association representing over 190 agencies that provide developmental services to children and adults across Ontario. These agencies support individuals with developmental disabilities through a range of services, including residential care, employment programs, and community participation supports. OASIS advocates on behalf of its members by working with the government, promoting best practices, and ensuring sustainable funding for the sector. The organization also facilitates collaboration, resource sharing, and professional development among member agencies to enhance the quality of services provided.