PROVAIL is one of Washington State's largest, multi-service agencies dedicated to meeting the needs of children, youth, and adults with disabilities who need an integrated, complex set of services to live life according to their own choices. Serving primarily King and Snohomish Counties, PROVAIL offers a comprehensive range of services to support people, with even the most severe disabilities, in all major areas of life so they can live, work, play, and fully participate in the community of their choice.