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; Does not use medication assisted treatment for alcohol use disorder; Does not use MAT for opioid use disorders; Clonidine; Medication for mental disorders; Anger management; Cognitive behavioral therapy; Substance use disorder counseling; Trauma-related counseling; Private for-profit organization; State mental health department; The Joint Commission; Medicare; Medicaid; Private health insurance; Cash or self-payment; State-financed health insurance plan other than Medicaid; Comprehensive mental health assessment; Interim services for clients; Outreach to persons in the community; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Drug or alcohol urine screening; Metabolic syndrome monitoring; Aftercare/continuing care; Discharge Planning; Housing services; Assistance with obtaining social services; Mentoring/peer support; Employment counseling or training; Treatment for other addiction disorder; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking permitted in designated area; Children/adolescents; Female; Male; Vaping permitted in designated area; Case management service; Mental health services; Social skills development; Transportation assistance; Suicide prevention services