| Stonington Institute | 75 Swantown Hill Road | North Stonington |
| SE Council on Alc and Drug Dep Inc (SCADD)/Detox | 47 Coit Street | New London |
| Phoenix House of New England Phoenix House Exeter Center | 251 Main Street | Exeter |
| CODAC Behavioral Healthcare II South County | 350 Columbia Street | Wakefield |
| Natchaug Hospital Inc Sachem House | 151 Storrs Road | Mansfield Center |
| AdCare Rhode Island Inpatient/Outpatient Program | 1950 Tower Hill Road | North Kingstown |
| Quinebaug Day Treatment Center | 11 Dog Hill Road | Dayville |
| Medical Assisted Recovery Inc | 875 Centerville Road | Warwick |
| Addiction Recovery Institute South | 205 Hallene Road | Warwick |
| CODAC Behavioral Healthcare CODAC Newport | 93 Thames Street | Newport |
| Journey to Hope Health and Healing Inc | 985 Plainfield Street | Johnston |
| Clinical Services of Rhode Island | 600 Putnam Pike | Greenville |
| Eastern Long Island Hospital Quannacut Detoxification Program | 201 Manor Place | Greenport |
| Eastern Long Island Hospital Quannacut Addiction Services | 201 Manor Place | Greenport |
| CODAC Providence | 349 Huntington Avenue | Providence |
| Clinical Services of RI | 11 King Charles Drive | Portsmouth |
| Discovery House CTC of Providence Comprehensive Treatment Center | 66 Pavilion Avenue | Providence |
| Discovery House Providence | 66 Pavilion Avenue | Providence |
| Roger Williams Medical Center Addiction Services Center | 877 Chalkstone Avenue | Providence |
| Veterans Affairs Medical Center Collaborative Add and Recovery Program | 830 Chalkstone Avenue | Providence |
| Roger Williams Medical Center Addiction Services Center | 877 Chalkstone Avenue | Providence |
| Rushford Center Inc ACE Program | 1250 Silver Street | Middletown |
| Rushford Center Inc Adult Ambulatory Services | 1250 Silver Street | Middletown |
| Rushford Center Inc Seniors | 1250 Silver Street | Middletown |
| CODAC North Main | 528 North Main Street | Providence |
| Connecticut Valley Hospital Addiction Services Division | Eastern Drive | Middletown |
| Hartford Dispensary Manchester Clinic | 335 Broad Street | Manchester |
| Natchaug Hospital Inc River East Day Hospital and Trt Center | 428 Hartford Turnpike | Vernon Rockville |
| CODAC Behavioral Healthcare East Bay | 850 Waterman Avenue | East Providence |
| Butler Hospital Alcohol and Drug Treatment Services | 345 Blackstone Boulevard | Providence |
| Rushford Center Inc Positive Step/Glastonbury | 110 National Drive | Glastonbury |
| Center for Treatment and Recovery | 82 Pond Street | Pawtucket |
| Addiction Recovery Institute | 31 North Union Street | Pawtucket |
| Gateway Healthcare Inc Mark S Furgerson Center | 249 Roosevelt Road | Pawtucket |
| Phoenix Houses of Long Island Inc Phoenix House Academy of Long Island (Wainscott Residential) | 95 Industrial Road | Wainscott |
| Johnson Memorial Hospital | 201 Chestnut Hill Road | Stafford Springs |
| Arbour Fuller EATS | 200 May Street | Attleboro |
| Fall River Comprehensive Treatment Ctr | 22 Front Street | Fall River |
| Healthcare Resource Centers (fka CSAC) Ambulatory Detox | 55 Fishfry Street | Hartford |
| Community Substance Abuse Centers Ambulatory Detox | 55 Fishfry Street | Hartford |
| SSTAR Alcoholism/Drug Detox Program | 386 Stanley Street | Fall River |
| SSTAR (STIT) | 386 Stanley Street | Fall River |
| SSTAR Chemical Dependency Services/Outpt | 386 Stanley Street | Fall River |
| Wheeler Clinic Inc Hartford Outpatient | 999 Asylum Avenue | Hartford |
| Connecticut Valley Hospital Blue Hills Substance Services | 500 Vine Street | Hartford |
| Connecticut Valley Hospital Blue Hills Substance Services | 500 Vine Street | Hartford |
| Hartford Dispensary/New Britain Clinic | 70 Whiting Street | New Britain |
| Hartford Dispensary/New Britain Clinic Psychiatric Outpt Clinic for Adults | 70 Whiting Street | New Britain |
| Aware Recovery Care In Home Addiction Treatment | 556 Washington Avenue | North Haven |
| Southcoast Behavioral Health | 581 Faunce Corner Road | North Dartmouth |
| Spectrum Health Systems Inc Spectrum Outpatient Services | 200 East Main Street | Milford |
| Fair Haven Community Health Center | 374 Grand Avenue | New Haven |
| Chemical Abuse Services Agency Inc DBA MAAS | 426 East Street | New Haven |
| Taunton Comprehensive Treatment Center | 66 Main Street | Taunton |
| Gifford Street Wellness Center LLC Outpatient Counseling Program | 34 Gifford Street | New Bedford |
| Steward Good Samaritan/NORCAP/ATS | 71 Walnut Street | Foxboro |
| Long Island Center for Recovery Inc Chemical Dependence Inpatient Detox | 320 West Montauk Highway | Hampton Bays |
| Health Care Resource Centers | 8 Kilburn Street | New Bedford |
| South Central Rehabilitation Center | 232 Cedar Street | New Haven |
| APT Foundation Inc Access and Treatment Services | 1 Long Wharf Drive | New Haven |
| Sisters of Providence Hospital Methadone Maintenance Program | 227 Mill Street | Springfield |
| Motivating Youth Recovery Program | 26 Queen Street | Worcester |
| Community Healthlink Inc Detoxification Program | 12 Queen Street | Worcester |
| CleanSlate Centers Worcester | 411 Chandler Street | Worcester |
| VA Healthcare Systems of Connecticut Substance Abuse Treatment Program | 950 Campbell Avenue | West Haven |
| Connecticut Counseling Centers Inc Waterbury Outpatient Program | 4 Midland Road | Waterbury |
| Connecticut Counseling Centers Inc Methadone Maintenance/Treatment | 4 Midland Road | Waterbury |
| Connecticut Counseling Centers Inc Waterbury Methadone Program Detox | 4 Midland Road | Waterbury |
| CleanSlate Centers Springfield | 1985 Main Street | Springfield |
| AdCare Hospital Worcester | 107 Lincoln Street | Worcester |
| Habit OPCO | 2257 Main Street | Springfield |
| Mount Tom Center for MH and Recovery Satellite | 471 Chestnut Street | Springfield |
| Spectrum Health Systems Inc Outpatient Services | 585 Lincoln Street | Worcester |
| Community Healthcare Inc Community Substance Abuse Centers | 628 Center Street | Chicopee |
| Saint Marys Inpatient Behavioral Hlth | 56 Franklin Street | Waterbury |
| New England Recovery Center (NERC) Detox Services | 153 Oak Street | Westborough |
| Seafield Center Inc IP | 7 Seafield Lane | Westhampton Beach |
| Providence Behavioral Health Hospital Acute Treatment Services | 1233 Main Street | Holyoke |
| Providence Behavioral Health Hospital Acute Treatment Services | 1233 Main Street | Holyoke |
| Spectrum Health Systems Inc | 68 Franklin Street | Framingham |
| Community Healthcare Inc Community Substance Abuse Centers | 125 North Elm Street | Westfield |
| Brockton Addiction Treatment Center (BATC) | 30 Meadowbrook Road | Brockton |
| High Point Youth | 20 Meadowbrook Road | Brockton |
| CASTLE High Point Youth | 20 Meadowbrook Road | Brockton |
| Mens Addiction Treatment Center (MATC) | 10 Meadowbrook Road | Brockton |
| Westwood Lodge Hospital | 45 Clapboardtree Street | Westwood |
| Brockton Comprehensive Treatment Ctr | 180 Centre Street | Brockton |
| Community Healthcare Inc Community Substance Abuse Centers | 441 Pleasant Street | Northampton |
| Saint Charles Hospital MMD 1 | 200 Bell Terre Road | Port Jefferson |
| Saint Charles Hospital Chemical Dependency Inpatient Program | 200 Belle Terre Road | Port Jefferson |
| Saint Charles Port Jefferson MMD | 200 Belle Terre Road | Port Jefferson |
| Bournewood Hospital Bournewood Health Systems | 300 South Street | Chestnut Hill |
| Brigham and Womens Faulkner Hospital | 1153 Centre Street | Jamaica Plain |
| High Point Jamaica Plain at Shattuck | 170 Morton Street | Jamaica Plain |
| Habit OPCO Satellite | 1515 Hancock Street | Quincy |
| Brookside Community Health Center | 3297 Washington Street | Jamaica Plain |
| Arbour Substance Abuse Trt Program Detox | 49 Robinwood Avenue | Jamaica Plain |
| VA Central Western Massachusetts HCS Substance Use Disorders Clinic | 421 North Main Street | Leeds |
| Phoenix House ATS | 43 Old Colony Road | Quincy |
| Arbour Counseling Services | 384 Washington Street | Norwell |
| Steward St Elizabeths/SECAP/ATS | 736 Cambridge Street | Brighton |
| Addiction Treatment Center of NE Outpatient Counseling Program | 77 Warren Street | Brighton |
| Addiction Treatment Center of NE | 77 Warren Street | Brighton |
| Right Turn | 440 Arsenal Street | Watertown |
| Arbour Counseling Services | 14 Fordham Road | Allston |
| ARK Behavioral Health | 500 Victory Road | Quincy |
| Fenway Health Substance Abuse Treatment Program | 1340 Boylston Street | Boston |
| Boston Treatment Center | 784 Massachusetts Avenue | Boston |
| Habit OPCO | 99 Topeka Street | Boston |
| Fenway Health Fenway South End | 142 Berkeley Street | Boston |
| Bay Cove Human Services Methadone Services | 66 Canal Street | Boston |
| Phoenix House of Long Island Inc Lake Ronkonkoma Campus | 153 Lake Shore Road | Ronkonkoma |
| Catholic Charities of Rockville Center Talbot House | 30 Carlough Road | Bohemia |
