| CIGNA HEALTH MANAGEMENT, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Feb 6, 1978 | Active |
| CIGNA HOLDING COMPANYBloomfield, CT · Active | Bloomfield, CT | Corporation | Jun 3, 1982 | Active |
| CIGNA HEALTHCARE OF CONNECTICUT, INC.Hartford, CT · Active | Hartford, CT | Corporation | Jun 26, 1985 | Active |
| CIGNA DENTAL HEALTH, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 19, 1986 | Active |
| EVERNORTH BEHAVIORAL HEALTH, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 23, 1989 | Active |
| CONNECTICUT GENERAL CORPORATIONHartford, CT · Active | Hartford, CT | Corporation | Jul 12, 1967 | Active |
| ACCREDO HEALTH GROUP, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 22, 1997 | Active |
| CIGNA HEALTHCARE, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 27, 1998 | Active |
| EXPRESS SCRIPTS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Sep 7, 2000 | Active |
| MEDCO HEALTH SOLUTIONS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 11, 2002 | Active |
| PRIORITY HEALTHCARE DISTRIBUTION, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 14, 2005 | Active |
| AHG OF NEW YORK, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 2, 2008 | Active |
| MEDCO HEALTH SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 5, 2010 | Active |
| MATRIX HEALTHCARE SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 16, 2010 | Active |
| CIGNA DENTAL HEALTH OF FLORIDA, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 24, 2011 | Withdrawn |
| CIGNA HEALTHCARE OF CALIFORNIA, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 25, 2011 | Active |
| EVERNORTH BEHAVIORAL HEALTH OF CALIFORNIA, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 25, 2011 | Withdrawn |
| CIGNA DENTAL HEALTH OF CALIFORNIA, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 25, 2011 | Withdrawn |
| CIGNA HEALTHCARE OF ARIZONA, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 21, 2011 | Active |
| EVERNORTH CARE SOLUTIONS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 29, 2021 | Active |
| EXPRESS SCRIPTS PHARMACY, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Feb 2, 2021 | Active |
| The Cigna Group, Inc.Bloomfield, CT · Active | Bloomfield, CT | Corporation | Mar 15, 2021 | Active |
| EVERNORTH WHOLESALE DISTRIBUTION, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Nov 8, 2024 | Active |
| EXPRESS SCRIPTS UTILIZATION MANAGEMENT CO.Location not reported, CT · Active | Location not reported, CT | Corporation | Apr 24, 2026 | Active |
| LYNNFIELD COMPOUNDING CENTER, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Aug 10, 2026 | Active |
| LYNNFIELD DRUG, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Sep 25, 2026 | Active |