| WARREN CONGREGATIONAL CHURCH, INCORPORATED, THELocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 3, 1941 | Active |
| WEST END TABERNACLE C.M.E. CHURCH, THELocation not reported, CT · Active | Location not reported, CT | Corporation | May 17, 1966 | Active |
| West Woods Bible Chapel, Inc.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 3, 1961 | Active |
| WESTMINSTER SOVEREIGN GRACE CHRISTIAN CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 19, 1913 | Active |
| WILLIMANTIC, CONNECTICUT CONGREGATION OF JEHOVAH'S WITNESSESLocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 27, 1961 | Active |
| WILTON BAPTIST CHURCH, INCORPORATED, THELocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Mar 5, 1968 | Dissolved |
| WOODMONT UNITED CHURCH OF CHRISTLocation not reported, CT · Active | Location not reported, CT | Corporation | Apr 15, 1930 | Active |
| NEW RIVER CHURCH, INCORPORATED CHRISTIAN AND MISSIONARY ALLIANCELocation not reported, CT · Active | Location not reported, CT | Corporation | Oct 16, 1947 | Active |
| LATTER RAIN CHRISTIAN FELLOWSHIP, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Nov 12, 1936 | Active |
| KNIGHTS OF ST. PATRICKLocation not reported, CT · Active | Location not reported, CT | Other | Not reported | Active |
| UNITED CONGREGATIONAL CHURCH OF TOLLANDLocation not reported, CT · Active | Location not reported, CT | Corporation | Feb 16, 1953 | Active |
| ST. AUGUSTINE'S CHURCHLocation not reported, CT · Dissolved | Location not reported, CT | Other | Not reported | Dissolved |
| ST. AUGUSTINE'S CHURCHLocation not reported, CT · Merged | Location not reported, CT | Other | Not reported | Merged |
| GIANTS NECK BEACH ASSOCIATION, THELocation not reported, CT · Active | Location not reported, CT | Other | Not reported | Active |
| CONNECTICUT MEMORIAL PARKS COMPANY THELocation not reported, CT · Active | Location not reported, CT | Other | Dec 22, 1930 | Active |
| MILFORD SIDE BURYING GROUND ASSOCIATIONLocation not reported, CT · Active | Location not reported, CT | Other | Nov 24, 1854 | Active |
| CRYSTAL LAKE CEMETERY ASSOCIATION INCORPORATEDLocation not reported, CT · Dissolved | Location not reported, CT | Other | Jun 24, 1911 | Dissolved |
| NORTHFIELD CEMETERY IMPROVEMENT ASSOCIATION, INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Corporation | Jul 23, 1909 | Active |
| OUR LADY OF THE LAKES CHURCH CORPORATION THELocation not reported, CT · Merged | Location not reported, CT | Corporation | Nov 30, 1966 | Merged |
| XAVIER HIGH SCHOOL, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Feb 18, 1963 | Dissolved |
| SAINT COLMAN CHURCH CORPORATION THELocation not reported, CT · Merged | Location not reported, CT | Other | Mar 25, 1965 | Merged |
| SAINT MARY CHURCH CORPORATION THELocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 25, 1965 | Active |
| QUAKER CEMETERY ASSOCIATION, INCORPORATED THELocation not reported, CT · Active | Location not reported, CT | Other | Dec 14, 1927 | Active |
| RIVERSIDE BURYING GROUNDS ASSOCIATIONLocation not reported, CT · Active | Location not reported, CT | Other | Nov 23, 1897 | Active |
| ZION FIRST BAPTIST CHURCH INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jun 21, 1945 | Active |
| WILSON CONGREGATIONAL CHURCHLocation not reported, CT · Dissolved | Location not reported, CT | Other | Jan 30, 1958 | Dissolved |
| WETHERSFIELD FAITH ASSEMBLYLocation not reported, CT · Active | Location not reported, CT | Corporation | Jul 8, 1963 | Active |
| CONGREGATION FOR HUMANISTIC JUDAISM, INC.Location not reported, CT · Active | Location not reported, CT | Other | Dec 6, 1967 | Active |
| WESLEYAN CHURCH OF ELLINGTON, CONNECTICUT, INC. THELocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 20, 1965 | Active |
| SEYMOUR UNION CEMETERY INCORPORATEDLocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Apr 26, 1926 | Dissolved |
| CONGREGATIONAL CHURCH OF TOLLAND THELocation not reported, CT · Merged | Location not reported, CT | Other | Jul 19, 1957 | Merged |
| VERBAND CEMETERY ASSOCIATION, INCORPORATED THELocation not reported, CT · Merged | Location not reported, CT | Other | Nov 29, 1937 | Merged |
| WESTVILLE CEMETERY ASSOCIATION THELocation not reported, CT · Merged | Location not reported, CT | Other | Sep 25, 1884 | Merged |
| THE UNION CONGREGATIONAL CHURCH OF CHRIST, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 15, 1921 | Active |
| UNITARIAN UNIVERSALIST CHURCH OF GREATER BRIDGEPORT THELocation not reported, CT · Active | Location not reported, CT | Corporation | Feb 3, 1959 | Active |
| UNITARIAN-UNIVERSALIST CHURCH OF NORWICH, CONNECTICUT, INC. THELocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 14, 1949 | Active |
| UNITED CONGREGATIONAL CHURCH OF WESTERLY THELocation not reported, CT · Active | Location not reported, CT | Corporation | Nov 7, 1908 | Active |
| UNITED METHODIST CHURCH OF GALES FERRY, INCORPORATED THELocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 17, 1964 | Active |
| UNITED PENTECOSTAL CHURCHLocation not reported, CT · Active | Location not reported, CT | Corporation | Oct 25, 1944 | Active |
| TEMPLE EMANU-EL, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Feb 6, 1961 | Active |
| TRINITY CHURCH OF THE NAZARENELocation not reported, CT · Active | Location not reported, CT | Other | Sep 25, 1934 | Active |
| TRINITY COVENANT CHURCH OF MANCHESTER, CONNECTICUTLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 17, 1892 | Active |
| SALEM EVANGELICAL COVENANT CHURCH OF WASHINGTON, CONNECTICUTLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 21, 1889 | Active |
| SALEM EVANGELICAL LUTHERAN CHURCH OF NAUGATUCK, CONN. THELocation not reported, CT · Dissolved | Location not reported, CT | Other | Mar 26, 1900 | Dissolved |
| TEMPLE BETH SHOLOM, INC. (ALIAS)Location not reported, CT · Merged | Location not reported, CT | Other | Oct 18, 1948 | Merged |
| SISTERS OF ST. JOSEPH CORPORATION THELocation not reported, CT · Active | Location not reported, CT | Corporation | Apr 27, 1898 | Active |
| SWEDISH MISSION CHURCHLocation not reported, CT · Merged | Location not reported, CT | Other | Feb 19, 1890 | Merged |
| CHURCH OF SAINT EMORY THELocation not reported, CT · Consolidated | Location not reported, CT | Other | Jan 14, 1932 | Consolidated |
| ST. STEPHEN'S CHURCH CORPORATION, BRIDGEPORT CONNECTICUT THELocation not reported, CT · Consolidated | Location not reported, CT | Other | May 17, 1899 | Consolidated |
| HOLY ORTHODOX CATHOLIC CHURCH IN AMERICA, INC. THELocation not reported, CT · Active | Location not reported, CT | Other | Jan 26, 1965 | Active |