O 2019 1969 YEARS CORNERSTONE SERVICES Celebrating 50 years of helping people with disabilities to live and work in the community. Proud to be one of Will County's top employers! www.CornerstoneServices.org O 2019 1969 YEARS CORNERSTONE SERVICES Celebrating 50 years of helping people with disabilities to live and work in the community. Proud to be one of Will County's top employers! www.CornerstoneServices.org