| Katy Christian Ministries | 501(c)(3) | 1987 | $8.5 million | $4.2 million | 2024-12 |
| Meridiana Community Association | 501(c)(4) | 2018 | $5.9 million | $2.4 million | 2024-12 |
| Hype Foundation Inc | 501(c)(3) | 2015 | $5.8 million | $803,892 | 2025-12 |
| Town Center Owners Association | 501(c)(4) | 2007 | $2.7 million | $7.4 million | 2025-12 |
| Christ Palace International Ministries | 501(c)(3) | 2017 | $1.6 million | $4 million | 2025-06 |
| Credence Village Inc | 501(c)(3) | 2019 | $1.5 million | $741,999 | 2025-12 |
| Redeemers Learning Center | 501(c)(3) | 2017 | $1.3 million | $2 million | 2025-12 |
| Katy Responds | 501(c)(3) | 2018 | $768,840 | $124,282 | 2025-12 |
| Projects for Humanity | 501(c)(3) | 2019 | $697,297 | $364,839 | 2024-12 |
| Clothed By Faith Inc | 501(c)(3) | 2015 | $540,605 | $233,058 | 2025-12 |
| True Home of Hope Inc | 501(c)(3) | 2022 | $531,367 | $167,979 | 2024-12 |
| Smartie Pants Academy Center Houston | 501(c)(3) | 2013 | $509,537 | $509,537 | 2024-12 |
| Pef-Us | 501(c)(3) | 2016 | $454,052 | $47,264 | 2025-12 |
| Hope Impacts | 501(c)(3) | 2014 | $365,164 | $375,449 | 2025-12 |
| Neighborhood Kidz Club | 501(c)(3) | 2011 | $307,566 | $268,614 | 2025-12 |
| Neighborhood Garden Project | 501(c)(3) | 2022 | $245,968 | $87,544 | 2025-12 |
| Regenerations Aging Services | 501(c)(3) | 2024 | $225,564 | $56,397 | 2025-06 |
| Mason Lakes Homeowners Association | 501(c)(4) | 2020 | $202,993 | $381,016 | 2025-12 |
| Keturahs Haven | 501(c)(3) | 2015 | $185,048 | $41,734 | 2025-12 |
| Penuel Foundation Inc | 501(c)(3) | 2018 | $165,415 | $745,104 | 2025-06 |
| Gateway of Hope Association of Health and Wellness Incorporated | 501(c)(3) | 2023 | $151,122 | $167,562 | 2024-12 |
| Cinco Ranch Church of Christ Early Childhood Development Corporation | 501(c)(3) | 2005 | $128,662 | $34,699 | 2026-06 |
| Viswa Veda Parayana Brindam | 501(c)(3) | 2019 | $122,483 | $206,977 | 2025-07 |
| NCL Inc Lady Bird Chapter | 501(c)(3) | 2011 | $99,386 | $41,029 | 2026-05 |
| Faith Collaborative | 501(c)(3) | 2016 | $90,103 | $4,089 | 2025-12 |
| As One Foundation | 501(c)(3) | 2007 | $88,507 | $13,986 | 2023-12 |
| Nnewi USA Inc | 501(c)(3) | 2000 | $87,754 | $85,994 | 2025-12 |
| Grand Baby Project | 501(c)(3) | 2022 | $62,749 | $1,780 | 2024-12 |
| Inspiring Motivating & Productive Acts Inc | 501(c)(3) | 2019 | $59,385 | $34,046 | 2024-12 |
| Kingdom Ministry Empowerment Inc | 501(c)(3) | 2022 | $37,995 | $1 | 2025-12 |
| Keeping Dreams Alive | 501(c)(3) | 2014 | $10,500 | $3,515 | 2024-12 |
| Joy of Living Club | 501(c)(3) | 2024 | $8,111 | $3,827 | 2025-06 |
| South East Brazil Missions | 501(c)(3) | 2016 | $3,530 | $11,061 | 2025-12 |
| Svasti Children Welfare | 501(c)(3) | 2016 | $2,732 | $4,403 | 2023-12 |
| Armor of Hope Foundation | 501(c)(3) | 2015 | $1,373 | $9,092 | 2024-12 |
| Mims Family Matters Foundation Inc | 501(c)(3) | 2017 | $1,000 | $1 | 2025-12 |
| Center for the Grace Foundation | 501(c)(3) | 2004 | $36 | $10,794 | 2023-12 |
| Aea Avenues Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-11 |
| Africa Hope Community | 501(c)(3) | 2010 | $0 | $0 | 2026-01 |
| Akanksha Kamal Foundation | 501(c)(3) | 2017 | $0 | $0 | 2025-09 |
| Alchemy Attorneys Foundation | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Amobi Okoye Foundation Inc | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Anand and Kiran Foundation | 501(c)(3) | 2020 | | $5,058 | 2025-12 |
| And Greater Works I Am | 501(c)(3) | 2025 | | | |
| Azerbaijani American Cultural Alliance | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Barefoot Dreamers Inc | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Because of You | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Believe & Achieve | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Blockchain Collaborative | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Bold 247 Foundation Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Bridging Destiny | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Brighter Canvas | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Caring 4 A Life Inc | 501(c)(3) | 2025 | | | |
| Caring Community Foundation | 501(c)(3) | 2026 | | | |
| Casa de Maria Charities | 501(c)(3) | 2024 | | | |
| Castimonia Restoration Ministry Inc | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Charity Deeds Groups Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Charlotte Rise Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Ciara Foundation | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Clothe To Care | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Comforter International Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Community Care and Support Foundation | 501(c)(3) | 2023 | | $1 | 2024-12 |
| Community Matters of the Heart | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Community Transformation Group - CTG | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Comunidad Dorada | 501(c)(3) | 2026 | | | |
| Crowned With Purpose Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cycle of Humanity Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| De Flourish International Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Destiny Global Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Destiny Images Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Devine Rose Livings Inc | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Dogs2717 | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Donate 4 Life | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Economic Assistance Resources for the Needy | 501(c)(3) | 2023 | | $1 | 2025-09 |
| Elohim Messiah Ranch | 501(c)(3) | 2025 | | | |
| Emma Key Hands & Feet Foundation | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Emma Thanh Thuy Le Foundation | 501(c)(3) | 2026 | | | |
| Empower and Connect | 501(c)(3) | 2024 | $0 | $0 | 2026-05 |
| Extreme Katy Foundation | 501(c)(3) | 2026 | | | |
| Eyecan Athletics Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Fatherhood Foundation | 501(c)(3) | 2024 | | | |
| Friends of Sea Scout Ship 1996 | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Ghana Association Houston | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Global Healing and Deliverance Mini Stry Inc | 501(c)(3) | 2026 | | | |
| Goodness and Mercy | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Grace Growers International | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Grace of God Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| H O P E Healthy Outreach People Encouraged Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Hand-Up Ministry | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Healing Fairways | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Heartland Hearts | 501(c)(3) | 2019 | $0 | $0 | 2026-07 |
| Hearts for Elders | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Her Story Restored Collective Inc | 501(c)(3) | 2026 | | | |
| Herstory | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hilton Declan Foundation | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Hope Drives | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| House of Serenity Residential Treat Ment Center | 501(c)(3) | 2026 | | | |
| Houston Villains | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hughes Family Foundation Inc | 501(c)(3) | 2016 | | $206,337 | 2024-12 |
| Impact Economics Partnership Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Inspring Young Readers Incorporated | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| International Charities Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| International Circle of Mefeu Haut-Nkam Division | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Jackie Lou Foundation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Jazmine Cevilla Outreach Program | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kahoopsbunited Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Katy Home Savers Association | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Keeping All Families Together Inc | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Kendops Foundation | 501(c)(3) | 2025 | | | |
| Kick Cancer Out With Cookies | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kids Dreams Matter Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Kidsake Nigeria | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kiesher Life Interventions | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Kimberley Cares Foundation | 501(c)(3) | 2025 | | | |
| LSHM Foundation Inc | 501(c)(3) | 2026 | | | |
| Laceking Global Services Inc | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Ladies First Outreach Ministry | 501(c)(3) | 2024 | | | |
| Ladies of Essence of Houston TX Inc | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Liberian Association of Greater Houston | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Lost Arts Academy | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Lux Angels Inc | 501(c)(3) | 2025 | | | |
| Mad Foundation | 501(c)(3) | 2022 | | $22,317 | 2022-12 |
| Mamma Bear International Initiatives | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Maria Goretti Network | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| Matthew 25 40 | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Mission Critical Support Group | 501(c)(3) | 2025 | | | |
| Moms Club | 501(c)(3) | 2001 | | | |
| Movimiento Familiar Cristiano Catolico USA | 501(c)(3) | 2017 | $0 | $0 | 2025-07 |
| Mustard Seed Organization | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| National Assembly of American Slavery Descendants Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Nchanjis Noel | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Nellikkattil Foundation | 501(c)(3) | 2019 | | $1 | 2025-12 |
| New Beginnings Community Outreach Corporation | 501(c)(3) | 2021 | $0 | $0 | 2025-01 |
| New Calling | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| New Immigrant Resource Center | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Nexo Humanitarian Help | 501(c)(3) | 2026 | | | |
| Nicole Freer Foundation | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Nissi Network Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| No Trafficking Zone NTZ Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| No Violence No Victim Incorporated | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Nurturing Nest Childrens Home | 501(c)(3) | 2026 | | | |
| Open Arms for Fire Victims | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Operation Love Outreach Ministry | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Orodo Progressive Union Houston | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Our Nesting Roots Corp | 501(c)(3) | 2022 | $0 | $0 | 2026-03 |
| Pathways 2 Mpowerment | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Paws Abilities Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Pherd Org | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Planters Ministry International | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Por Un Mundo Mejor | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Prince Xavier Foundation | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Project Do Your Part | 501(c)(3) | 2024 | | $1 | 2025-12 |
| Project Self Control | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Refuge Ministries Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Remnant7k | 501(c)(4) | 2022 | $0 | $0 | 2025-08 |
| Rescue Aid Society | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Rise & Restore Wellness Foundation | 501(c)(3) | 2026 | | | |
| Rita Ministries | 501(c)(3) | 2023 | $0 | $0 | 2023-11 |
| Roam Forever | 501(c)(3) | 2026 | | | |
| Rooted in the Community | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Rostros Care | 501(c)(3) | 2024 | | | |
| SJC Nonprofit Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| SSF Khidmat Foundation | 501(c)(3) | 2026 | | | |
| Senior Beacon | 501(c)(3) | 2024 | | | |
| Serene Loving Arm II | 501(c)(3) | 2026 | | | |
| Serenity Care Collective | 501(c)(3) | 2026 | $0 | $1 | 2025-12 |
| Service Members Intervention Programs | 501(c)(3) | 2026 | | | |
| Serving Others Selflessly | 501(c)(3) | 2026 | | | |
| She Builds Her Foundation Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Shifting Coal To Diamond Foundation | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Sinergy Blue | 501(c)(3) | 2026 | | | |
| Single Mommies Can Inc | 501(c)(3) | 2019 | $0 | $0 | 2026-02 |
| Sotial Foundation Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Spark of Live Music | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Special Needs Family Resources Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Sri Sathya Sai Center at Houston TX - Affiliated To SSSGC | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Star Fitness Foundation | 501(c)(3) | 2024 | | | |
| Star of Humanity Inc | 501(c)(3) | 2026 | | | |
| Straughter Group | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Sukoon Fund | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Tender Loving K-9S | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Tethering Hope Inc | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Texas Youth Outdoors Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Texas for Heroes Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Teyrachi Foundation Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Thampoe Foundation | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| The Blue Warriors Foundation Inc | 501(c)(3) | 2026 | | | |
| The Builders Circle Foundation | 501(c)(3) | 2026 | | | |
| The Greathearted Foundation | 501(c)(3) | 2026 | | | |
| The John and Caren Steffes Charitable Foundation | 501(c)(3) | 2023 | | | |
| The Martinez Foundation | 501(c)(3) | 2026 | | | |
| The Shittu Family Foundation | 501(c)(3) | 2026 | | | |
| The Single Parent That Could | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| There Is Light Young Women Pregnancy Services | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Through Those Eyes Tte | 501(c)(3) | 2026 | | | |
| Together in Pink | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Track and Field for All | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Udca Houston | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Unstuk Incorporated | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ventaja Educational Services | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Vessel Support Services | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Vision Shapers International | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Voluntarios de Houston Por Venezuel A | 501(c)(3) | 2026 | | | |
| We Care Hope Center | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| What S in Yo Closet Inc | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Whisk and Wish | 501(c)(3) | 2026 | | | |
| Woman Transformed | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Yojing Swimming Academy | 501(c)(3) | 2019 | $0 | $0 | 2025-04 |
| Youth Bridge Spark | 501(c)(3) | 2025 | | | |