International Association of Rehabilitation Professionals (IARP) - http://www.rehabpro.org/ Provides information on case management, disability management, and forensics, or disability law. Features a chapter and member directory, list serves, and members section.
Council on Rehabilitation Education (CORE) - http://www.core-rehab.org/ Accrediting institution for rehabilitation counseling training programs. Describes accreditation and standards review process.