| GREATER FAITH TABERNACLE BAPTIST CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Apr 6, 1962 | Active |
| UNION BAPTIST CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 9, 1893 | Active |
| WILSON MEMORIAL CHURCH OF GOD IN CHRISTLocation not reported, CT · Active | Location not reported, CT | Corporation | Jun 19, 1963 | Active |
| THE SAINT GABRIEL ROMAN CATHOLIC CHURCH CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Other | Jan 28, 1964 | Merged |
| SAINT LEO ROMAN CATHOLIC CHURCH CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Other | Aug 18, 1960 | Active |
| HELLENAMERICAN CLUB INCORPORATED THELocation not reported, CT · Active | Location not reported, CT | Other | Nov 8, 1926 | Active |
| BETHANY ASSEMBLYLocation not reported, CT · Active | Location not reported, CT | Other | Sep 26, 1946 | Active |
| EVANGELICAL COMMUNITY CHURCH OF STAMFORD, CONNECTICUTLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 9, 1907 | Active |
| CENTER FOR SPIRITUAL DEVELOPMENT, NSACLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 13, 1943 | Active |
| WEST HILL BIBLE CHURCH OF THE CHRISTIAN AND MISSIONARY ALLIANCELocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 15, 1965 | Active |
| BETHEL A. M. E. CHURCH OF STAMFORD, CONNECTICUT, INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Corporation | May 20, 1947 | Active |
| BETHEL AFRICAN METHODIST EPISCOPAL CHURCH OF STAMFORD, CONNECTICUTLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 9, 1914 | Active |
| THE CHURCH OF THE SACRED HEART CORPORATION, STAMFORDLocation not reported, CT · Active | Location not reported, CT | Corporation | Nov 22, 1920 | Active |
| GREENWICH CONGREGATION OF JEHOVAH'S WITNESSES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 15, 1955 | Active |
| SAINT BENEDICT'S-OUR LADY OF MONTSERRAT ROMAN CATHOLIC CHURCH CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Corporation | Not reported | Merged |
| CONGREGATION AGUDATH SHOLOMLocation not reported, CT · Active | Location not reported, CT | Corporation | May 11, 1904 | Active |