| IMMACULATE HIGH SCHOOL, INC.Danbury, CT · Active | Danbury, CT | Corporation | Oct 1, 1963 | Active |
| KITEMAUG ORCHARDS ASSOCIATION, INCORPORATEDUncasville, CT · Active | Uncasville, CT | Corporation | Nov 3, 1959 | Active |
| CARDINAL SHEHAN CENTER, INC.Bridgeport, CT · Active | Bridgeport, CT | Corporation | Mar 2, 1984 | Active |
| MCGIVNEY COMMUNITY CENTER, INC. THEBridgeport, CT · Active | Bridgeport, CT | Corporation | May 24, 1990 | Active |
| THE DIOCESAN CEMETERY CARE FUND, INC.Shelton, CT · Active | Shelton, CT | Corporation | Oct 8, 1996 | Active |
| C & N CONSTRUCTION CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 17, 1998 | Revoked |
| NOONAN BROTHERS CONSTRUCTION CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 24, 2007 | Revoked |
| SURVIVORS 4 SURVIVORS INCORPORATEDGlastonbury, CT · Active | Glastonbury, CT | Corporation | Apr 25, 2018 | Active |
| GREENWICH CATHOLIC SCHOOL INC.Greenwich, CT · Active | Greenwich, CT | Corporation | May 17, 2018 | Active |
| PARISH OF OUR LADY OF THE IMMACULATE CONCEPTION APARECIDA CORPORATIONBethel, CT · Active | Bethel, CT | Corporation | Apr 21, 2020 | Active |
| NOTRE DAME DU PERPETUEL SECOURS CORPORATIONStamford, CT · Active | Stamford, CT | Corporation | Jan 4, 2021 | Active |
| The Seton Collaborative CorporationShelton, CT · Active | Shelton, CT | Corporation | Jun 25, 2021 | Active |
| Noonan Construction Corp.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 21, 2023 | Revoked |
| St. John Paul II Evangelizing Communication Center IncShelton, CT · Active | Shelton, CT | Corporation | Oct 10, 2023 | Active |
| Holy Vietnamese Martyrs Catholic Community Inc.Bridgeport, CT · Active | Bridgeport, CT | Corporation | Mar 7, 2025 | Active |
| The Catherine Dennis O'Keefe Queen of the Clergy Residence, LLCShelton, CT · Active | Shelton, CT | LLC | May 15, 2025 | Active |
| Oratory of St. Emery Inc.Shelton, CT · Active | Shelton, CT | Corporation | Sep 22, 2025 | Active |
| The Discalced Carmelite Nuns of the Monastery of the Little Flower of Jesus, Inc.Danbury, CT · Active | Danbury, CT | Corporation | Oct 2, 2025 | Active |