| CONNECTICUT ORTHOPAEDIC SPECIALISTS, P.C.Hamden, CT · Active | Hamden, CT | Corporation | Jul 23, 1969 | Active |
| TEMPLE HEALTH SERVICES, LLCHamden, CT · Dissolved | Hamden, CT | LLC | Mar 3, 1999 | Dissolved |
| 450 BOSTON POST ROAD ASSOCIATES, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Mar 25, 1999 | Active |
| ABDKS- 85 ASSOCIATES, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Feb 23, 2000 | Active |
| BDSA ASSOCIATES, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Feb 23, 2000 | Active |
| BRANFORD PARTNERS, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Jun 27, 2003 | Active |
| 258 BROAD STREET, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Apr 11, 2007 | Active |
| CONNECTICUT ORTHOPAEDIC SPECIALISTS OUTPATIENT SURGICAL CENTER, LLCHamden, CT · Active | Hamden, CT | LLC | Mar 14, 2013 | Active |
| WALLINGFORD COS, LLCHamden, CT · Active | Hamden, CT | LLC | Mar 11, 2014 | Active |
| 2439 WHITNEY AVENUE, LLCHamden, CT · Active | Hamden, CT | LLC | Dec 16, 2015 | Active |
| FOUNDERS RESIDENTIAL CARE HOME, LLCHamden, CT · Active | Hamden, CT | LLC | Jun 20, 2016 | Active |
| 1000 YALE AVENUE WALLINGFORD, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Apr 10, 2017 | Active |
| 330 BRIDGEPORT AVENUE, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Aug 23, 2017 | Active |
| 2435 WA LLCHamden, CT · Active | Hamden, CT | LLC | Oct 19, 2017 | Active |
| THE AFFILIATED PHYSICIANS OF THE CONNECTICUT ORTHOPAEDIC INSTITUTE AT MIDSTATE MEDICAL CENTER, LLCHamden, CT · Active | Hamden, CT | LLC | Nov 2, 2018 | Active |
| 3 LIESL LANE II, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Mar 29, 2019 | Active |
| 205 SUBWAY DRIVE, LLCHamden, CT · Active | Hamden, CT | LLC | Jul 9, 2019 | Active |
| CONNECTICUT ORTHOPAEDICS FOUNDATION, INC.Hamden, CT · Active | Hamden, CT | Corporation | Sep 30, 2019 | Active |
| 60 DANBURY ROAD, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Aug 5, 2020 | Active |
| CONNECTICUT ORTHOPAEDICS NEUROMONITORING, LLCHamden, CT · Dissolved | Hamden, CT | LLC | Nov 4, 2020 | Dissolved |
| THE AFFILIATED PHYSICIANS OF THE CONNECTICUT ORTHOPAEDIC INSTITUTEAT ST.VINCENT'S MEDICALCENTER,LLCHamden, CT · Active | Hamden, CT | LLC | Jan 20, 2021 | Active |
| ASC MANAGEMENT SERVICES, LLCHamden, CT · Active | Hamden, CT | LLC | May 3, 2021 | Active |
| 235 Boston Post Road, L.L.C.Hamden, CT · Active | Hamden, CT | LLC | Sep 22, 2021 | Active |
| Connecticut Orthopedics Neuro Management, LLCHamden, CT · Active | Hamden, CT | LLC | Dec 1, 2021 | Active |
| CT Ortho Real Estate, LLCHamden, CT · Active | Hamden, CT | LLC | Dec 4, 2025 | Active |
| CT ORTHO IONM, LLCHamden, CT · Active | Hamden, CT | LLC | Jun 25, 2026 | Active |