| Johnson Memorial Hospital | 201 Chestnut Hill Road | Stafford Springs |
| Natchaug Hospital Inc River East Day Hospital and Trt Center | 428 Hartford Turnpike | Vernon Rockville |
| Sisters of Providence Hospital Methadone Maintenance Program | 227 Mill Street | Springfield |
| CleanSlate Centers Springfield | 1985 Main Street | Springfield |
| Habit OPCO | 2257 Main Street | Springfield |
| Mount Tom Center for MH and Recovery Satellite | 471 Chestnut Street | Springfield |
| Community Healthcare Inc Community Substance Abuse Centers | 628 Center Street | Chicopee |
| Hartford Dispensary Manchester Clinic | 335 Broad Street | Manchester |
| Providence Behavioral Health Hospital Acute Treatment Services | 1233 Main Street | Holyoke |
| Providence Behavioral Health Hospital Acute Treatment Services | 1233 Main Street | Holyoke |
| Healthcare Resource Centers (fka CSAC) Ambulatory Detox | 55 Fishfry Street | Hartford |
| Community Substance Abuse Centers Ambulatory Detox | 55 Fishfry Street | Hartford |
| Natchaug Hospital Inc Sachem House | 151 Storrs Road | Mansfield Center |
| Connecticut Valley Hospital Blue Hills Substance Services | 500 Vine Street | Hartford |
| Connecticut Valley Hospital Blue Hills Substance Services | 500 Vine Street | Hartford |
| Rushford Center Inc Positive Step/Glastonbury | 110 National Drive | Glastonbury |
| Community Healthcare Inc Community Substance Abuse Centers | 125 North Elm Street | Westfield |
| Wheeler Clinic Inc Hartford Outpatient | 999 Asylum Avenue | Hartford |
| Community Healthcare Inc Community Substance Abuse Centers | 441 Pleasant Street | Northampton |
| Quinebaug Day Treatment Center | 11 Dog Hill Road | Dayville |
| 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 |
| VA Central Western Massachusetts HCS Substance Use Disorders Clinic | 421 North Main Street | Leeds |
| 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 |
| Connecticut Valley Hospital Addiction Services Division | Eastern Drive | Middletown |
| CleanSlate Centers Worcester | 411 Chandler Street | Worcester |
| Motivating Youth Recovery Program | 26 Queen Street | Worcester |
| Community Healthlink Inc Detoxification Program | 12 Queen Street | Worcester |
| AdCare Hospital Worcester | 107 Lincoln Street | Worcester |
| Spectrum Health Systems Inc Outpatient Services | 585 Lincoln Street | Worcester |
| Stonington Institute | 75 Swantown Hill Road | North Stonington |
| 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 |
| Clinical Services of Rhode Island | 600 Putnam Pike | Greenville |
| Community Healthcare Inc Community Substance Abuse Centers | 177 Shelburne Road | Greenfield |
| Northern Hope Center (Behavioral Health Network Inc.) | 298 Federal Street | Greenfield |
| Franklin Recovery Center (Behavioral Health Network Inc.) | 298 Federal Street | Greenfield |
| Saint Marys Inpatient Behavioral Hlth | 56 Franklin Street | Waterbury |
| New England Recovery Center (NERC) Detox Services | 153 Oak Street | Westborough |
| Aware Recovery Care In Home Addiction Treatment | 556 Washington Avenue | North Haven |
| SE Council on Alc and Drug Dep Inc (SCADD)/Detox | 47 Coit Street | New London |
| Recovery Centers of America Westminster | 9 Village Inn Road | Westminster |
| Spectrum Health Systems Inc Spectrum Outpatient Services | 200 East Main Street | Milford |
| Mountainside Treatment Center | 187 South Canaan Road | Canaan |
| Journey to Hope Health and Healing Inc | 985 Plainfield Street | Johnston |
| Roger Williams Medical Center Addiction Services Center | 877 Chalkstone Avenue | Providence |
| Roger Williams Medical Center Addiction Services Center | 877 Chalkstone Avenue | Providence |
| Medical Assisted Recovery Inc | 875 Centerville Road | Warwick |
| Veterans Affairs Medical Center Collaborative Add and Recovery Program | 830 Chalkstone Avenue | Providence |
| CODAC Providence | 349 Huntington Avenue | Providence |
| CODAC North Main | 528 North Main Street | Providence |
| Addiction Recovery Institute | 31 North Union Street | Pawtucket |
| Addiction Recovery Institute South | 205 Hallene Road | Warwick |
| Discovery House CTC of Providence Comprehensive Treatment Center | 66 Pavilion Avenue | Providence |
| Discovery House Providence | 66 Pavilion Avenue | Providence |
| Gateway Healthcare Inc Mark S Furgerson Center | 249 Roosevelt Road | Pawtucket |
| Butler Hospital Alcohol and Drug Treatment Services | 345 Blackstone Boulevard | Providence |
| Phoenix House of New England Phoenix House Exeter Center | 251 Main Street | Exeter |
| Center for Treatment and Recovery | 82 Pond Street | Pawtucket |
| Arbour Fuller EATS | 200 May Street | Attleboro |
| Fair Haven Community Health Center | 374 Grand Avenue | New Haven |
| Chemical Abuse Services Agency Inc DBA MAAS | 426 East Street | New Haven |
| Spectrum Health Systems Inc Pittsfield Outpatient | 390 Merrill Road | Pittsfield |
| Spectrum Health Systems Inc | 68 Franklin Street | Framingham |
| South Central Rehabilitation Center | 232 Cedar Street | New Haven |
| CODAC Behavioral Healthcare East Bay | 850 Waterman Avenue | East Providence |
| Berkshire Medical Center McGee Unit 3 West | 725 North Street | Pittsfield |
| APT Foundation Inc Access and Treatment Services | 1 Long Wharf Drive | New Haven |
| VA Healthcare Systems of Connecticut Substance Abuse Treatment Program | 950 Campbell Avenue | West Haven |
| AdCare Rhode Island Inpatient/Outpatient Program | 1950 Tower Hill Road | North Kingstown |
| CODAC Behavioral Healthcare II South County | 350 Columbia Street | Wakefield |
| Steward Good Samaritan/NORCAP/ATS | 71 Walnut Street | Foxboro |
| Keene Metro Treatment Center | 1076 West Swanzey Road | Swanzey |
| Eastern Long Island Hospital Quannacut Detoxification Program | 201 Manor Place | Greenport |
| Eastern Long Island Hospital Quannacut Addiction Services | 201 Manor Place | Greenport |
| Spectrum Health Systems Inc North Adams | 1274 Curran Highway | North Adams |
| Brattleboro Retreat Adult Alcohol Abuse Program/Tyler One | 1 Anna Marsh Lane | Brattleboro |
| Westwood Lodge Hospital | 45 Clapboardtree Street | Westwood |
| Brattleboro Comprehensive Trt Center | 16 Town Crier Drive | Brattleboro |
| Clinical Services of RI | 11 King Charles Drive | Portsmouth |
| Spectrum Health Systems Inc Waltham | 210 Bear Hill Road | Waltham |
| CODAC Behavioral Healthcare CODAC Newport | 93 Thames Street | Newport |
| Connecticut Counseling Centers Inc | 60 Beaverbrook Road | Danbury |
| Bridgeport Hospital Luscomb 9 | 267 Grant Street | Bridgeport |
| New Era Rehabilitation Center Inc (NERC) | 3851 Main Street | Bridgeport |
| Veterans MH and Addiction Programs (VMHAP) | 200 Springs Road | Bedford |
| McLean Hospital Alcohol and Drug Abuse Treatment | 115 Mill Street | Belmont |
| Habit OPCO Lowell | 22 Olde Canal Drive | Lowell |
| Recovery Network of Programs Inc Kinsella Treatment Center MATS | 1862 Commerce Drive | Bridgeport |
| MCCA Seniors Program | 38 Old Ridgebury Road | Danbury |
| MCCA Residential Detox | 38 Old Ridgebury Road | Danbury |
| MCCA Latino Outreach | 38 Old Ridgebury Road | Danbury |
| MCCA McDonough House/Intensive Residential | 38 Old Ridgebury Road | Danbury |
| Greater Nashua Council on Alcoholism Keystone Hall | 615 Amherst Street | Nashua |
| Northeast Behavioral Health | 365 East Street | Tewksbury |
| Tewksbury Treatment Center Lahey Health Behavioral Services | 365 East Street | Tewksbury |
| United Counseling Service of Bennington County Inc | 100 Ledge Hill Drive | Bennington |
| Merrimack River Medical Services | 323 Derry Road | Hudson |
| Connecticut Counseling Centers Inc Norwalk Methadone Program | 20 North Main Street | Norwalk |
