Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Residential/24-hour residential; Long-term residential; Short-term residential; Buprenorphine used in Treatment; No formal relationship with prescribing entity; Does not treat alcohol use disorder; Buprenorphine maintenance; Prescribes buprenorphine; Accepts clients using MAT but prescribed elsewhere; Buprenorphine without naloxone; Clonidine; Anger management; Motivational interviewing; Matrix Model; Relapse prevention; Substance use disorder counseling; Trauma-related counseling; 12-step facilitation; Private non-profit organization; State Substance use treatment agency; Federal, or any government funding for substance use treatment programs; Medicaid; Private health insurance; Cash or self-payment; Pregnant/postpartum women; Comprehensive substance use assessment; Outreach to persons in the community; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Breathalyzer or blood alcohol testing; Drug and alcohol oral fluid testing; Drug or alcohol urine screening; TB screening; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Housing services; Assistance with obtaining social services; 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 in designated area; Adults; Young adults; Female; Sign language services for the deaf and hard of hearing; Vaping permitted in designated area; Residential beds for clients’ children; Case management service; Child care for clients’ children; Domestic violence services, including family or partner; Social skills development; Transportation assistance; Suicide prevention services