APAIT is a community based organization serving Los Angeles and Orange counties. The organization’s mission is to positively impact the quality of life for vulnerable communities impacted by behavioral health, sexual health, housing insecurity, and justice involvement. Services include individual and group mental health counseling, substance use prevention and treatment, harm reduction and syringe exchange program, HIV/STI testing, prevention, and treatment, transitional and permanent supportive housing, forensic treatment, intensive case management, and research, evaluation, and development. APAIT was established in 1987 and is a division of Special Service for Groups, a nonprofit health and human services organization established in 1952.