Substance use treatment; Outpatient; Intensive outpatient treatment; Regular outpatient treatment; No formal relationship with prescribing entity; Does not treat alcohol use disorder; Accepts clients using MAT but prescribed elsewhere; Anger management; Brief intervention; Cognitive behavioral therapy; Contingency management/motivational incentives; Motivational interviewing; Matrix Model; Relapse prevention; Substance use disorder counseling; Trauma-related counseling; Telemedicine/telehealth therapy; 12-step facilitation; Private for-profit organization; State Substance use treatment agency; SAMHSA certification for opioid treatment program (OTP); Cash or self-payment; Young adults; Adult women; Adult men; Seniors or older adults; Criminal justice (other than DUI/DWI)/Forensic clients; Clients who have experienced intimate partner violence, domestic violence; Outreach to persons in the community; Screening for substance use; Drug or alcohol urine screening; Aftercare/continuing care; Mentoring/peer support; Treatment for other addiction disorder; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Smoking permitted in designated area; Adults; Seniors; Young adults; Female; Male; Vaping permitted in designated area; Case management service; Domestic violence services, including family or partner; Social skills development