Substance use treatment; Outpatient; Intensive outpatient treatment; Regular outpatient treatment; No formal relationship with prescribing entity; Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere; No formal relationship with prescribing entity; Accepts clients using MAT but prescribed elsewhere; Brief intervention; Cognitive behavioral therapy; Community reinforcement plus vouchers; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Telemedicine/telehealth therapy; Private for-profit organization; State Substance use treatment agency; State department of health; Federally Qualified Health Center; Cash or self-payment; Adolescents; Young adults; Criminal justice (other than DUI/DWI)/Forensic clients; Comprehensive substance use assessment; Screening for substance use; Professional interventionist/educational consultant; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Mentoring/peer support; Employment counseling or training; 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; Vocational training or educational support (for example, high school coursework, GED preparation, etc.) ; Smoking permitted without restriction; Female; Male; Specially designed program for DUI/DWI clients; Spanish; Vaping permitted in designated area; Case management service; Early intervention for HIV; Social skills development