Nonprofits in Houston, Texas
Nonprofits in Houston, Texas. Browse 16,968 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Oral Care Matters Association
EIN 334314294 · Headquarters: Houston, TX, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oran Roberts Elementary School Pto
EIN 742198519 · Headquarters: HOUSTON, TX, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange Grove Elementary Pto
EIN 812077027 · Headquarters: Houston, TX, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Orchard Communities Inc
EIN 743162757 · Headquarters: Houston, TX, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orchestra X Inc
EIN 760520494 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Orden Francmasonica Universal Inc
EIN 462545794 · Headquarters: Houston, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Order of St John of Jerusalem Commandery of Houston
EIN 203428014 · Headquarters: HOUSTON, TX, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Order of the Alhambra Inc
EIN 991415048 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Order of the Amaranth Inc
EIN 760388372 · Headquarters: Houston, TX, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Texas
EIN 237523755 · Headquarters: Houston, TX, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Order of the Founders & Patriots of America
EIN 760292542 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ordinary Towards Extraordinary Foundation Inc
EIN 842193202 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orfeo Music Festival
EIN 273872504 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Organizacion Latina Trans in Texas
EIN 474633481 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Organization for the Support and Advancement Residency Accreditation
EIN 471267985 · Headquarters: HOUSTON, TX, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990
- Organization for the Support of Democratic Movement in Taiwan
EIN 363347892 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Organization of Chinese Americans of Greater Houston
EIN 521306678 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Organization of Muslim Gentlemen
EIN 332814688 · Headquarters: HOUSTON, TX, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Organization of Nigerians in East Texas Inc
EIN 471908140 · Headquarters: Houston, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Organization of Racing Investigators
EIN 550805157 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Organization of Women in Internatio Nal Trade-houston Inc
EIN 760693328 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Origins Learning Community
EIN 833952220 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Orion Title 1 Community Developement
EIN 364804243 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orissa Culture Center
EIN 263299269 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orisun
EIN 465408247 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Orisun Collective Inc
EIN 813708137 · Headquarters: houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Orsu United
EIN 542153853 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Ortega Family Foundation
EIN 882988468 · Headquarters: HOUSTON, TX, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Orthodox Christian Leadership Initiative
EIN 832005526 · Headquarters: Houston, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orthodox Christian Prison Ministry of Houston
EIN 472071547 · Headquarters: HOUSTON, TX, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oscar De La Rosa Foundation Inc
EIN 270095681 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- OShea Family Foundation
EIN 873479263 · Headquarters: Houston, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oshigin Ii Royal Foundation
EIN 863091991 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oshman Foundation
EIN 746039864 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Osina Community USA Inc
EIN 842523345 · Headquarters: HOUSTON, TX, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ostomy Association of the Houston Area
EIN 300336134 · Headquarters: Houston, TX, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ot Foundation Inc
EIN 934052206 · Headquarters: Houston, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Otree Open Source Research Foundation
EIN 832696847 · Headquarters: HOUSTON, TX, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Otter Island Foundation
EIN 760421104 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Otu Ifedinma Cultural Dance
EIN 760541794 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Afrikan Family
EIN 842790412 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Community Village
EIN 823020190 · Headquarters: houston, TX, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Our Foods Initiative
EIN 833950754 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Our Future Leaders Community Outreach 2
EIN 922433379 · Headquarters: houston, TX, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Our Garden
EIN 393181518 · Headquarters: HOUSTON, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Global Village
EIN 451449578 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Our House Foundation
EIN 760656982 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Our Lady of Lourdes Troop 815
EIN 464958412 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Our Lady of the Great Event of the Purification Ro
EIN 831124148 · Headquarters: Houston, TX, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Our Lady of Walsingham Institutes of Catholic Culture Studies
EIN 010726051 · Headquarters: Houston, TX, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Our Lady Okeechobee Monastery Inc
EIN 931430958 · Headquarters: HOUSTON, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Our Lending Hands Corp
EIN 384330501 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our People Have Hope Foundation
EIN 883350578 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our People United
EIN 815412679 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Pride Our Village
EIN 834324635 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Our Solution Center Global
EIN 853972867 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Out at the Rodeo
EIN 331377734 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Out for Education
EIN 760596873 · Headquarters: Houston, TX, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Out of Love Foundation
EIN 850662600 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Out of the Abyss Inc
EIN 811825813 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Out of the Pew
EIN 843843387 · Headquarters: HOUSTON, TX, USA · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Outer Circle Club
EIN 453327211 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Outlaws Baseball of Houston
EIN 992774529 · Headquarters: HOUSTON, TX, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Outlaws Riding Club-swtra
EIN 371546231 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Outpost Estates Civic Club Incorporated
EIN 760422802 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Outpost Fellowship
EIN 800312323 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Outreach Center of West Houston
EIN 760518235 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990
- Outreach Helping Hands Ministries Inc
EIN 851367098 · Headquarters: HOUSTON, TX, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Outreach In The Barrio
EIN 833075859 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Outreach United
EIN 272579237 · Headquarters: HOUSTON, TX, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outrounds
EIN 334515681 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outsmart Foundation for Lgbtq News and Media
EIN 991344982 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outta Control Cookers
EIN 833311398 · Headquarters: HOUSTON, TX, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Outtexas Foundation
EIN 274733114 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Outzyde Noyze
EIN 881949063 · Headquarters: HOUSTON, TX, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ov3rwatch Foundation
EIN 826410540 · Headquarters: Houston, TX, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ovarcome Non-profit Inc
EIN 454716979 · Headquarters: HOUSTON, TX, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Over the Moon
EIN 301197604 · Headquarters: HOUSTON, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Overcomers Community Development Corporation
EIN 813411512 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Overcomers International Church
EIN 471742630 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Overflow Foundation
EIN 612237753 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Overflow Season Inc
EIN 933387119 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Overlooked and Undervalued Foundation
EIN 881149164 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oversea Yin Xin Vihara Texas
EIN 813739594 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Overseas China Education Foundation
EIN 760680540 · Headquarters: HOUSTON, TX, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Overseas Korea Education Development and Aid Foundation
EIN 208754510 · Headquarters: HOUSTON, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Overseas Sichuan Development Assoc
EIN 760662643 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Owerri Women Association Houston Texas
EIN 870813070 · Headquarters: HOUSTON, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Own Your Peach Inc
EIN 463613832 · Headquarters: HOUSTON, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Owners Association of Spring Street Terrace
EIN 611742360 · Headquarters: Houston, TX, US · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Owners Association of Young Ranch
EIN 811130136 · Headquarters: HOUSTON, TX, USA · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990
- Owners in Honor
EIN 934102941 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Owo Association of Houston
EIN 923299725 · Headquarters: HOUSTON, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oxidant Engine
EIN 844561273 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Ozee Hopebridge Foundation
EIN 990678555 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ozubulu Connections Inc
EIN 271865906 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- P O W E R House of Houston Inc
EIN 760655122 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- P23 Outreach Inc
EIN 261777436 · Headquarters: Houston, TX, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- P4L Dba Lemonade Day
EIN 204235269 · Headquarters: Houston, TX, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Paana Educational Foundation Inc
EIN 471505718 · Headquarters: HOUSTON, TX, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N