Substance use treatment; Outpatient; Intensive outpatient treatment; Regular outpatient treatment; Does not use medication assisted treatment for alcohol use disorder; Does not treat opioid use disorders; Anger management; Brief intervention; Cognitive behavioral therapy; Relapse prevention; Substance use disorder counseling; Telemedicine/telehealth therapy; 12-step facilitation; Private for-profit organization; Medicaid; Private health insurance; Cash or self-payment; Young adults; Adult women; Adult men; Seniors or older adults; Lesbian, gay, bisexual, transgender, or queer/questioning (LGBTQ); Veterans; Members of military families; Criminal justice (other than DUI/DWI)/Forensic clients; Clients with co-occurring mental and substance use disorders; Clients with co-occurring pain and substance use disorders; Clients who have experienced sexual abuse; Clients who have experienced intimate partner violence, domestic violence; Clients who have experienced trauma; Comprehensive mental health assessment; Comprehensive substance use assessment; Screening for substance use; Screening for mental disorders; Professional interventionist/educational consultant; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Housing services; Employment counseling or training; Treatment for gambling disorder; Treatment for other addiction disorder; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Smoking permitted in designated area; Children/adolescents; Seniors; Female; Male; Vaping not permitted; Mental health services; Transportation assistance