| CONSTITUTION EYE SURGERY CENTER, LLCAvon, CT · Active | Avon, CT | LLC | Nov 25, 1997 | Active |
| CONSTITUTION SURGERY CENTER EAST, LLCWaterford, CT · Active | Waterford, CT | LLC | Dec 22, 1999 | Active |
| ORTHOPEDIC ASSOCIATES SURGERY CENTER, LLCRocky Hill, CT · Active | Rocky Hill, CT | LLC | Aug 11, 2003 | Active |
| MIDDLESEX ENDOSCOPY CENTER, LLCMiddletown, CT · Active | Middletown, CT | LLC | Sep 1, 2004 | Active |
| GSC HOLDING, LLCAvon, CT · Active | Avon, CT | LLC | May 7, 2008 | Active |
| GLASTONBURY SURGERY CENTER, LLCGlastonbury, CT · Active | Glastonbury, CT | LLC | May 8, 2008 | Active |
| CONSTITUTION BILLING AND FINANCIAL SERVICES, LLCAvon, CT · Active | Avon, CT | LLC | Jun 20, 2008 | Active |
| ORTHOPAEDIC HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | Nov 19, 2010 | Active |
| CONSTITUTION HEALTHCARE STRATEGIES, LLCAvon, CT · Dissolved | Avon, CT | LLC | Jun 27, 2012 | Dissolved |
| HHC SOUTHINGTON SURGERY CENTER, LLCCheshire, CT · Active | Cheshire, CT | LLC | Apr 3, 2013 | Active |
| HHC HARTFORD SURGERY CENTER, LLCHartford, CT · Active | Hartford, CT | LLC | Apr 3, 2013 | Active |
| CSC REALTY, LLCAvon, CT · Active | Avon, CT | LLC | Oct 18, 2013 | Active |
| SOUTHINGTON SURGERY CENTER HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | May 15, 2014 | Active |
| CSCE REALTY, LLCWaterford, CT · Active | Waterford, CT | LLC | Jul 29, 2015 | Active |
| HARTFORD SURGERY CENTER HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | Jul 7, 2016 | Active |
| CSCE HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | Jul 12, 2016 | Active |
| CONNECTICUT ORTHOPAEDIC SURGERY CENTER, LLCAvon Ct, CT · Active | Avon Ct, CT | LLC | Aug 8, 2018 | Active |
| MILFORD SURGERY CENTER REALTY, LLCAvon, CT · Active | Avon, CT | LLC | May 23, 2018 | Active |
| MILFORD SURGERY CENTER HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | May 23, 2018 | Active |
| ROCKY HILL SURGERY CENTER, LLCRocky Hill, CT · Active | Rocky Hill, CT | LLC | Aug 9, 2018 | Active |
| ROCKY HILL SURGERY CENTER HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | Jul 19, 2018 | Active |
| CSA MILFORD REALTY, LLCAvon Ct, CT · Active | Avon Ct, CT | LLC | Nov 5, 2018 | Active |
| CHESHIRE SURGERY CENTER REALTY, LLCAvon, CT · Active | Avon, CT | LLC | Jul 29, 2019 | Active |
| CSA CHESHIRE SURGERY CENTER REALTY, LLCAvon, CT · Active | Avon, CT | LLC | Aug 1, 2019 | Active |
| SCSC HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | Aug 19, 2019 | Active |
| CSA REALTY, LLCAvon, CT · Active | Avon, CT | LLC | Aug 26, 2019 | Active |
| CSA ASC HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | Nov 14, 2019 | Active |
| WILTON MEDICAL REALTY, LLCAvon, CT · Active | Avon, CT | LLC | Jan 21, 2020 | Active |
| SOUTHWEST CONNECTICUT SURGERY CENTER, LLCAvon, CT · Active | Avon, CT | LLC | Jan 28, 2020 | Active |
| CSA WILTON ASC, LLCAvon, CT · Active | Avon, CT | LLC | Jan 27, 2020 | Active |
| CSA WILTON MEDICAL REALTY, LLCAvon, CT · Active | Avon, CT | LLC | Jan 27, 2020 | Active |
| CONSTITUTION OUTCOMES CENTER, LLCAvon, CT · Active | Avon, CT | LLC | Oct 7, 2020 | Active |
| CONSTITUTION REALTY MANAGEMENT, LLCAvon, CT · Active | Avon, CT | LLC | Nov 2, 2020 | Active |
| PLAINFIELD SURGERY CENTER HOLDINGS, LLCAvon, CT · Dissolved | Avon, CT | LLC | Mar 10, 2021 | Dissolved |
| CONSTITUTION PROPERTY HOLDINGS, LLCAvon, CT · Active | Avon, CT | LLC | May 25, 2021 | Active |
| ASC Acquisition Holdings, LLCAvon, CT · Active | Avon, CT | LLC | Jun 30, 2026 | Active |