| CHURCH OF GOD OF WATERBURYLocation not reported, CT · Active | Location not reported, CT | Corporation | Oct 14, 1968 | Active |
| CHURCH OF OUR LORD JESUS CHRIST OF THE APOSTOLIC FAITH, THELocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 18, 1964 | Active |
| B'NAI ISRAELLocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 2, 1921 | Active |
| FAITH TEMPLE CHURCH OF GOD IN CHRISTLocation not reported, CT · Active | Location not reported, CT | Corporation | Jun 24, 1970 | Active |
| REAL LIFE CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 25, 1951 | Active |
| GRACE BAPTIST CHURCH OF WATERBURYLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 19, 1902 | Active |
| MINISTRY OF LIFE CHURCH, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 16, 1975 | Active |
| MOUNT OLIVE CHURCH OF GOD IN CHRIST OF WATERBURYLocation not reported, CT · Active | Location not reported, CT | Corporation | Jan 13, 1965 | Active |
| "ST. THOMAS' CHURCH CORPORATION OF WATERBURY", CONNECTICUT.Location not reported, CT · Active | Location not reported, CT | Other | Not reported | Active |
| THE WATERBURY TURNVEREIN CORPORATION.Location not reported, CT · Active | Location not reported, CT | Other | Jan 6, 1885 | Active |
| THE CHURCH OF NEW LIFELocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 15, 1905 | Active |
| SECOND CONGREGATIONAL CHURCH OF WATERBURY THELocation not reported, CT · Consolidated | Location not reported, CT | Other | Feb 6, 1952 | Consolidated |
| BUNKER HILL CONGREGATIONAL CHURCHLocation not reported, CT · Dissolved | Location not reported, CT | Other | Jan 21, 1919 | Dissolved |
| CHURCH OF ST. LEO THE GREAT OF WATERBURY CORPORATION, THELocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| FIRST LUTHERAN CHURCH AT WATERBURY, CONNECTICUT THELocation not reported, CT · Dissolved | Location not reported, CT | Other | Apr 24, 1895 | Dissolved |
| SAINT STANISLAUS KOSTKA CHURCH CORPORATION OF WATERBURY THELocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| SAINT LUCY'S CHURCHLocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| ST. MARGARET'S CHURCH CORPORATION OF WATERBURY THELocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| ALL SAINTS PARISH CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Not reported | Active |
| "ST. JOSEPH'S CHURCH" (LITHUANIAN), WATERBURY, CONNECTICUT.Location not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |