| Trustees of Colt Bequest Inc | 501(c)(3) | 1934 | $3 million | $84.4 million | 2025-09 |
| Bosnian American Islamic Cultural Center | 501(c)(3) | 2007 | $835,021 | $1.7 million | 2025-12 |
| Connecticut Catholic Public Affairs Conference Inc | 501(c)(4) | 2011 | $624,966 | $18,066 | 2025-12 |
| Loaves & Fishes Ministries Inc | 501(c)(3) | 1992 | $320,839 | $1.2 million | 2025-12 |
| Collaborative Center for Justice Inc | 501(c)(4) | 1999 | $222,563 | $236,857 | 2025-06 |
| Franciscan Center for Urban Ministry Inc | 501(c)(3) | 1999 | $202,916 | $474,119 | 2024-12 |
| Spiritual Life Center Inc | 501(c)(3) | 2001 | $151,291 | $80,413 | 2024-12 |
| Hartford Project Inc | 501(c)(3) | 2017 | $77,023 | $35,836 | 2023-12 |
| Hope Family Church | 501(c)(3) | 2022 | $65,901 | $0 | 2024-12 |
| Supreme Being Inc | 501(c)(3) | 2014 | $59,439 | $1 | 2025-12 |
| Greater Joy Mission Church of Deliverence | 501(c)(3) | 1996 | $30,800 | $450,000 | 2024-12 |
| Connecticut Council for Interreligious Understanding Inc | 501(c)(3) | 2003 | $23,737 | $45,338 | 2025-12 |
| 7TH Day Church of the Living God As Semble Inc | 501(c)(3) | 2026 | | | |
| Allen Chapel Human Development Corporation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Alpha Iota Omega Pentecostal Church | 501(c)(3) | 1999 | | | |
| Alpha Text | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| American Ecumenical Catholic Church Inc | 501(c)(3) | 2002 | | | |
| Amistad United Church of Christ Inc | 501(c)(3) | 1997 | | | |
| Apostolic Ark Pentecostal Church of Hartford | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Arena of Fire International | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Assembly of El Shaddai | 501(c)(3) | 2014 | | | |
| Assembly of God Church of Hartford Inc | 501(c)(3) | 2007 | | | |
| Bethel Oneness Apostolic Church | 501(c)(3) | 2005 | | | |
| Bountiful Blessings Family Healing Center Inc | 501(c)(3) | 2026 | | | |
| CPC of the WMM - Hartford CT - One Inc | 501(c)(3) | 2015 | | | |
| CPC of the Wmm-New Britain Ct-One Inc | 501(c)(3) | 2015 | | | |
| Casa de Refugio Y Restauracion El Shaddai | 501(c)(3) | 2025 | | | |
| Celestial Church of Christ- Disciple Parish- Inc | 501(c)(3) | 2009 | | | |
| Chapel of His Glory of the Redeemed Christian Church of God | 501(c)(3) | 2011 | | | |
| Christ Church of Deliverance Inc | 501(c)(3) | 2012 | | | |
| Christian Fellowship Independent Church | 501(c)(3) | 1999 | | | |
| Church Dunamis 3 Dimensions | 501(c)(3) | 2022 | | | |
| Citadel of Love the Tabernacle of Celebration Praise | 501(c)(3) | 1999 | | | |
| Community Worship Center | 501(c)(3) | 2010 | | | |
| Connecticut Karen Baptist Church | 501(c)(3) | 2024 | | | |
| Destiny Partners Inc | 501(c)(3) | 2006 | | | |
| Empowered By Ministries of Faith and Deliverance Inc | 501(c)(3) | 2024 | | | |
| First Church of the Living God | 501(c)(3) | 1990 | | | |
| Fishers of Men | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| For His Glory Church Ministries | 501(c)(3) | 2002 | | | |
| Fountain of Life Healing and Restoration Ministry Inc | 501(c)(3) | 2022 | $0 | $0 | 2022-12 |
| Fountain of Salvation Missionary Church Inc | 501(c)(3) | 1999 | | | |
| Free Will Baptist Church | 501(c)(3) | 1996 | | | |
| Good News Release Centre of the Prophetic Church of God Inc HTFD | 501(c)(3) | 1992 | | | |
| Grace Worship Center Church | 501(c)(3) | 1998 | | | |
| Greater Christ Temple Church of God in Christ Inc | 501(c)(3) | 1996 | | | |
| Greater St Paul Church of Deliverance | 501(c)(3) | 2001 | | | |
| Hartford Church of God 7TH Day Inc | 501(c)(3) | 2021 | | | |
| Healing and Deliverance Ministries Inc | 501(c)(3) | 2014 | | | |
| House of Prayer Full Gospel Ministries Inc | 501(c)(3) | 2003 | | | |
| Icuu Inc | 501(c)(3) | 2026 | | | |
| Igl Pent La Senda Antigua Mahanaim Inc | 501(c)(3) | 2019 | | | |
| Iglesia Camino de Salvacion Inc | 501(c)(3) | 2002 | | | |
| Iglesia Casa de Restauracion Y Vida Inc | 501(c)(3) | 2024 | | | |
| Iglesia Cristiana Hosanna | 501(c)(3) | 2024 | | | |
| Iglesia Cristiana Salim Inc | 501(c)(3) | 1999 | | | |
| Iglesia Pacto Eterno Inc | 501(c)(3) | 2014 | | | |
| Iglesia Pentecostal Ebenezer | 501(c)(3) | 1964 | | | |
| Iglesia Pentecostal Unida Hispana de Hartford Inc | 501(c)(3) | 2026 | | | |
| Iglesia Semilla de Amor Inc | 501(c)(3) | 2025 | | | |
| Iglesia de Avivamiento Apocalipsis 1 3 Inc | 501(c)(3) | 2022 | | | |
| Iglesia de Dios Arbol Que Reberdece | 501(c)(3) | 2010 | | | |
| Iglesia de Dios Huerto de Riego | 501(c)(3) | 2018 | | | |
| Iglesia de Dios La Nueva Cosicha Inc | 501(c)(3) | 2014 | | | |
| Iglesia de Dios Pentecostal Cristo El Unico Refugio Inc | 501(c)(3) | 2014 | | | |
| Iglesia de Dios Pentecostes El Rapto Inc | 501(c)(3) | 2014 | | | |
| Iglesia de Dios Una Luz de Esperanza Inc | 501(c)(3) | 2023 | | | |
| International Tabernacle of Prayer | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Ishshah-Chadash Remnant Ministries | 501(c)(3) | 2017 | | | |
| La Nueva Cosecha de Dios Inc | 501(c)(3) | 1997 | | | |
| La Primera Iglesia de Dios Inc Ismael Fernandez | 501(c)(3) | 1999 | | | |
| Latter Rain Christian Fellowship in C | 501(c)(3) | 2026 | | | |
| Life Line Christian Ministries Inc | 501(c)(3) | 2007 | | | |
| Living Faith Church Worldwide Winners Chapel | 501(c)(3) | 2018 | | | |
| Living Word Empowerment Ministries | 501(c)(3) | 2007 | | | |
| Maranatha Christian Center Inc | 501(c)(3) | 2023 | | | |
| Masjid Umar Ibn Al Khattab | 501(c)(3) | 2020 | | | |
| Metropolitan Ame Zion Church 2084 Main St | 501(c)(3) | 2000 | | | |
| Metropolitan Community Church of Hartford | 501(c)(3) | 2020 | | | |
| Ministerio Pentcostal Jehova Nisi | 501(c)(3) | 2014 | | | |
| Mount Bethel Church of God E H T Inc | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Mount Moriah Baptist Church | 501(c)(3) | 1996 | | | |
| Mount Olive Baptist Church Incorporated | 501(c)(3) | 2015 | | | |
| New Dimension Christian Center Inc | 501(c)(3) | 1998 | | | |
| New Hope Christian Ministries | 501(c)(3) | 2007 | | | |
| New Life Covenant-Hartford | 501(c)(3) | 2016 | | | |
| New Life Tabernacle Babtist Church | 501(c)(3) | 2019 | | | |
| Next Step Healing Center Ministry | 501(c)(3) | 2015 | | | |
| North Family Life Center Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| North Star Center for Human Development Inc | 501(c)(3) | 1996 | | | |
| Pentacostal Church of God the Good Samaritan Int Inc | 501(c)(3) | 2002 | | | |
| Pentecostal Tabernacle Apostolic Ministries International | 501(c)(3) | 2019 | | | |
| Power and Faith Ministries Inc | 501(c)(3) | 2006 | | | 2012-12 |
| Prayer and Praise Fellowship | 501(c)(3) | 2015 | | | |
| Primera Iglesia Bautista Inc | 501(c)(3) | 2003 | | | |
| Radicals for Christ Ministries Inc | 501(c)(3) | 2000 | | | |
| Radio Oasis de Esperanza Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Shefa of Grace Church | 501(c)(3) | 2014 | | | |
| Shri Krishna Mandir Inc | 501(c)(3) | 2001 | | | |
| Southwest Church of Christ | 501(c)(3) | 2006 | | | |
| Spirit Filled Deliverance Outreach Ministries | 501(c)(3) | 2007 | | | |
| Spirit of Truth Christian Center | 501(c)(3) | 1995 | | | |
| Sri Vishnu Mandir of Connecticut | 501(c)(3) | 1995 | | | |
| St George Greek Orthodox Cathedral | 501(c)(3) | 2022 | | | |
| Studio Bible Way | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Tara Shedrup Inc | 501(c)(3) | 2006 | | | |
| The Church in Waterbury Inc | 501(c)(3) | 2013 | | | |
| The Church of God of Hartford Inc | 501(c)(3) | 1999 | | | |
| The New Antioch Baptist Church Inc | 501(c)(3) | 1997 | | | |
| Third Tabernacle Beth El Hartford | 501(c)(3) | 2025 | | | |
| Traveler Evangelistic Outreach Ministry | 501(c)(3) | 2007 | | | |
| True Life Ministry | 501(c)(3) | 1995 | | | |
| Trustees for Receiving Donations for the Support of the Bishop | 501(c)(3) | 1934 | | | 2000-12 |
| Unitarian Society of Hartford | 501(c)(3) | 2025 | | | |
| Walk-In-The-Light Deliverance Church | 501(c)(3) | 1987 | | | 2012-12 |
| Warburton Community Congregational Church | 501(c)(3) | 2003 | | | |