| BAYVIEW MASONIC TEMPLE ASSOCIATION, INCORPORATED, THENiantic, CT · Active | Niantic, CT | Corporation | May 14, 1923 | Active |
| KIWANIS CLUB OF NEW LONDON,INCORPORATEDNew London, CT · Active | New London, CT | Corporation | Jun 21, 1946 | Active |
| WESLEY HEIGHTS, INC.Shelton, CT · Active | Shelton, CT | Corporation | Jan 29, 1965 | Active |
| UNITED METHODIST HOMES, INC.Shelton, CT · Active | Shelton, CT | Corporation | Jul 27, 1978 | Active |
| BISHOP WICKE HEALTH AND REHABILITATION CENTER, INC.Shelton, CT · Active | Shelton, CT | Corporation | Jan 29, 1965 | Active |
| WOOSTER MASONIC BUILDING CORPORATIONColchester, CT · Active | Colchester, CT | Corporation | Feb 22, 1980 | Active |
| MASONICARE AT ASHLAR VILLAGE, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Mar 24, 1981 | Active |
| T.J.N. ENTERPRISES, LTD.New London, CT · Active | New London, CT | Corporation | Apr 5, 1988 | Active |
| MASONICARE CORPORATIONWallingford, CT · Active | Wallingford, CT | Corporation | Sep 29, 1995 | Active |
| CARELINK CORPORATIONShelton, CT · Active | Shelton, CT | Corporation | Mar 3, 1997 | Active |
| CROSBY COMMONS, INC.Shelton, CT · Active | Shelton, CT | Corporation | Dec 19, 1997 | Active |
| MASONICARE HOME HEALTH AND HOSPICE, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Jan 20, 1999 | Active |
| MIDDLEWOODS OF NEWINGTON, INC.Shelton, CT · Active | Shelton, CT | Corporation | Feb 4, 2003 | Active |
| MASONICARE AT HOME, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Feb 17, 2005 | Active |
| WESLEYAN HOMES OF CONNECTICUT, INC.Shelton, CT · Active | Shelton, CT | Corporation | Jun 5, 2008 | Active |
| MASONICARE AT MYSTIC, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Jan 8, 2014 | Active |
| MASONICARE AT CHESTER VILLAGE, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Sep 13, 2017 | Active |
| BillerudKorsnas Commercial Inc.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Dec 29, 2021 | Withdrawn |
| KIWANIS CLUB OF NEW LONDON FOUNDATION Inc.New London, CT · Active | New London, CT | Corporation | Jun 29, 2022 | Active |
| MASONICARE AT ROCKY HILL, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Oct 25, 2024 | Active |