Substance use treatment; Outpatient; Intensive outpatient treatment; Regular outpatient treatment; Does not treat alcohol use disorder; Does not treat opioid use disorders; Anger management; Brief intervention; Cognitive behavioral therapy; Contingency management/motivational incentives; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Telemedicine/telehealth therapy; Private for-profit organization; State Substance use treatment agency; State mental health department; Private health insurance; Cash or self-payment; Sliding fee scale (fee is based on income and other factors); Young adults; Adult women; Adult men; Seniors or older adults; Lesbian, gay, bisexual, transgender, or queer/questioning (LGBTQ); Veterans; Active duty military; Members of military families; Criminal justice (other than DUI/DWI)/Forensic clients; Comprehensive mental health assessment; Comprehensive substance use assessment; Screening for substance use; Screening for mental disorders; Breathalyzer or blood alcohol testing; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Treatment for other addiction disorder; HIV or AIDS education, counseling, or support; Hepatitis education, counseling, or support; Health education services other than HIV/AIDS or hepatitis; Substance use disorder education; Individual counseling; Group counseling; Smoking permitted without restriction; Adults; Seniors; Young adults; Female; Male; Specially designed program for DUI/DWI clients; Spanish; Other languages (excluding Spanish); Polish; Russian; Vaping permitted without restriction; Domestic violence services, including family or partner; Mental health services; Social skills development