Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Outpatient; Regular outpatient treatment; Naltrexone used in Treatment; Other contracted prescribing entity; Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere; Other contracted prescribing entity; Accepts clients using MAT but prescribed elsewhere; Naltrexone (oral); Anger management; Brief intervention; Cognitive behavioral therapy; Contingency management/motivational incentives; Motivational interviewing; Matrix Model; Relapse prevention; Substance use disorder counseling; Trauma-related counseling; Telemedicine/telehealth therapy; Private non-profit organization; State Substance use treatment agency; State mental health department; Medicare; Medicaid; Federal military insurance (e.g., TRICARE); Private health insurance; Cash or self-payment; Sliding fee scale (fee is based on income and other factors); Adolescents; Adult women; Adult men; Criminal justice (other than DUI/DWI)/Forensic clients; Clients who have experienced trauma; Comprehensive mental health assessment; Comprehensive substance use assessment; Interim services for clients; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Drug and alcohol oral fluid testing; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Housing services; Assistance with obtaining social services; Recovery coach; Mentoring/peer support; Alcohol Detoxification; Benzodiazepines Detoxification; Cocaine Detoxification; Methamphetamines detoxification; Opioids detoxification; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Smoking permitted in designated area; Female; Male; Specially designed program for DUI/DWI clients; Vaping not permitted; Case management service; Domestic violence services, including family or partner; Mental health services