A survey of service providers was undertaken to identify issues regarding the provision of service to aging adults with developmental disabilities (DD). Seventy-five questionnaires were sent to 38 agencies involved in the support of older adults with and without disabilities. Forty-four or 59 per cent of surveys were returned. Results suggested that service providers did not feel adequately trained to address many of the needs of aging adults with DD. Respondents requested additional training in dealing with such issues as the health and medical concerns of older adults with DD, and recreational and retirement planning for aging clients with DD. Service providers also required assistance from professionals such as psychologists and medical personnel who were knowledgeable about aging and/or DD. Results were consistent with previous surveys in finding that training for service providers and medical/health care support were key issues. The information reported here updates and extends our knowledge of the needs of those involved in the support of aging adults with DD in the Canadian service sector and details the specific types of information and support required. Preliminary recommendations for modifications to service delivery, policy, and educational programs, are offered.