Substance use treatment; Transitional housing, halfway house, or sober home; Outpatient; Residential/24-hour residential; Intensive outpatient treatment; Long-term residential; Short-term residential; Does not use medication assisted treatment for alcohol use disorder; Does not use MAT for opioid use disorders; Anger management; Cognitive behavioral therapy; Matrix Model; Relapse prevention; Substance use disorder counseling; 12-step facilitation; Private for-profit organization; State Substance use treatment agency; State mental health department; Federal, or any government funding for substance use treatment programs; Medicare; Private health insurance; Cash or self-payment; Adolescents; 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 substance use assessment; Screening for substance use; Breathalyzer or blood alcohol testing; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Self-help groups; Assistance with obtaining social services; Mentoring/peer support; Employment counseling or training; Hepatitis education, counseling, or support; Substance use disorder education; Individual counseling; Group counseling; Smoking permitted in designated area; Children/adolescents; Seniors; Female; Male; Case management service; Social skills development; Transportation assistance