National Sexual Violence Resource Center (SVRC)

"The National Sexual Violence Resource Center serves as the nation’s principle information and resource center regarding all aspects of sexual violence. It provides national leadership, consultation and technical assistance by generating and facilitating the development and flow of information on sexual violence intervention and prevention strategies. The NSVRC works to address the causes and impact of sexual violence through collaboration, prevention efforts and the distribution of resources."

http://www.nsvrc.org/

RAINN: Rape, Abuse and Incest National Network

"The Rape, Abuse & Incest National Network is the nation's largest anti-sexual violence organization. RAINN operates the National Sexual Assault Hotline at 1.800.656.HOPE and the National Sexual Assault Online Hotline at rainn.org, and publicizes the hotlines' free, confidential services; educates the public about sexual violence; and leads national efforts to prevent sexual violence, improve services to victims and ensure that rapists are brought to justice."

http://www.rainn.org/