| Eastern Long Island Hospital Quannacut Detoxification Program | 201 Manor Place | Greenport |
| Eastern Long Island Hospital Quannacut Addiction Services | 201 Manor Place | Greenport |
| Phoenix Houses of Long Island Inc Phoenix House Academy of Long Island (Wainscott Residential) | 95 Industrial Road | Wainscott |
| Long Island Center for Recovery Inc Chemical Dependence Inpatient Detox | 320 West Montauk Highway | Hampton Bays |
| SE Council on Alc and Drug Dep Inc (SCADD)/Detox | 47 Coit Street | New London |
| Seafield Center Inc IP | 7 Seafield Lane | Westhampton Beach |
| Fair Haven Community Health Center | 374 Grand Avenue | New Haven |
| Chemical Abuse Services Agency Inc DBA MAAS | 426 East Street | New Haven |
| APT Foundation Inc Access and Treatment Services | 1 Long Wharf Drive | New Haven |
| South Central Rehabilitation Center | 232 Cedar Street | New Haven |
| Aware Recovery Care In Home Addiction Treatment | 556 Washington Avenue | North Haven |
| VA Healthcare Systems of Connecticut Substance Abuse Treatment Program | 950 Campbell Avenue | West Haven |
| Connecticut Valley Hospital Addiction Services Division | Eastern Drive | Middletown |
| 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 |
| Stonington Institute | 75 Swantown Hill Road | North Stonington |
| 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 |
| Bridgeport Hospital Luscomb 9 | 267 Grant Street | Bridgeport |
| Rushford Center Inc Positive Step/Glastonbury | 110 National Drive | Glastonbury |
| 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 |
| Phoenix House of Long Island Inc Lake Ronkonkoma Campus | 153 Lake Shore Road | Ronkonkoma |
| Natchaug Hospital Inc Sachem House | 151 Storrs Road | Mansfield Center |
| 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 |
| Catholic Charities of Rockville Center Talbot House | 30 Carlough Road | Bohemia |
| Recovery Network of Programs Inc Kinsella Treatment Center MATS | 1862 Commerce Drive | Bridgeport |
| New Era Rehabilitation Center Inc (NERC) | 3851 Main Street | Bridgeport |
| Employee Assistance Resource Servs Inc (EARS)/Drug Abuse Outpatient | 278 East Main Street | Smithtown |
| Saint Marys Inpatient Behavioral Hlth | 56 Franklin Street | Waterbury |
| Hartford Dispensary Manchester Clinic | 335 Broad Street | Manchester |
| Wheeler Clinic Inc Hartford Outpatient | 999 Asylum Avenue | Hartford |
| Healthcare Resource Centers (fka CSAC) Ambulatory Detox | 55 Fishfry Street | Hartford |
| Community Substance Abuse Centers Ambulatory Detox | 55 Fishfry Street | Hartford |
| Natchaug Hospital Inc River East Day Hospital and Trt Center | 428 Hartford Turnpike | Vernon Rockville |
| Connecticut Valley Hospital Blue Hills Substance Services | 500 Vine Street | Hartford |
| Connecticut Valley Hospital Blue Hills Substance Services | 500 Vine Street | Hartford |
| CODAC Behavioral Healthcare II South County | 350 Columbia Street | Wakefield |
| Hauppauge MMTP Div of Comm Mental Hygiene | 200 Wireless Boulevard | Hauppauge |
| Phoenix House of New England Phoenix House Exeter Center | 251 Main Street | Exeter |
| AdCare Rhode Island Inpatient/Outpatient Program | 1950 Tower Hill Road | North Kingstown |
| Connecticut Counseling Centers Inc Norwalk Methadone Program | 20 North Main Street | Norwalk |
| Quinebaug Day Treatment Center | 11 Dog Hill Road | Dayville |
| Connecticut Counseling Centers Inc | 60 Beaverbrook Road | Danbury |
| Johnson Memorial Hospital | 201 Chestnut Hill Road | Stafford Springs |
| CODAC Behavioral Healthcare CODAC Newport | 93 Thames Street | Newport |
| Medical Assisted Recovery Inc | 875 Centerville Road | Warwick |
| Main Street Clinic/Fac for the Care Trt of Substance Abusive/Dep Persons | 117 Main Street | Stamford |
| Northwell at South Oaks Hospital DBA South Oaks Hosp Detox | 400 Sunrise Highway | Amityville |
| Northwell at South Oaks Hospital DBA South Oaks Hosp Rehab | 400 Sunrise Highway | Amityville |
| 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 |
| Bridge Back to Life Center Inc Chemical Dependency Outpatient | 4271 Hempstead Turnpike | Bethpage |
| Central Nassau Guidance and Counseling Addiction Recovery Treatment Services | 950 South Oyster Bay Road | Hicksville |
| Addiction Recovery Institute South | 205 Hallene Road | Warwick |
| Clinical Services of RI | 11 King Charles Drive | Portsmouth |
| Journey to Hope Health and Healing Inc | 985 Plainfield Street | Johnston |
| Clinical Services of Rhode Island | 600 Putnam Pike | Greenville |
| CODAC Providence | 349 Huntington Avenue | Providence |
| Nassau University Medical Center Detox Unit | 2201 Hempstead Turnpike | East Meadow |
| 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 |
| CODAC North Main | 528 North Main Street | Providence |
| CODAC Behavioral Healthcare East Bay | 850 Waterman Avenue | East Providence |
| Butler Hospital Alcohol and Drug Treatment Services | 345 Blackstone Boulevard | Providence |
| 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 |
| Arbour Fuller EATS | 200 May Street | Attleboro |
| Mountainside Treatment Center | 187 South Canaan Road | Canaan |
