Organizations - Registry of Interpreters for the Deaf - National Association of the Deaf - Potomac Chapter of RID - Maryland Association of the Deaf - District of Columbia Association of the Deaf - Sign Performing Artists, a group of Deaf and hearing practitioners providing services for theatres throughout the area. - The Deaf Abused Women's Network (DAWN), a local non profit serving Deaf women who are survivors of domestic or sexual violence. 24 hour support hotline available.