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
- Omega Point Foundation
EIN 832789480 · Headquarters: HOUSTON, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Omega Psi Phi Fraternity
EIN 760610776 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Omicron Character Building Camp
EIN 462436379 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Omicron Kappa Upsilon-honorary Dental Society
EIN 237139919 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Omnilyf Holdings
EIN 825149869 · Headquarters: Houston, TX, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Omnis
EIN 471819964 · Headquarters: HOUSTON, TX, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Omo Yoruba Unite Incorporated
EIN 883388345 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Omw Ministries
EIN 823930719 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- On Our Own Services Inc
EIN 760346859 · Headquarters: HOUSTON, TX, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- On Point School of Music and Dance
EIN 203115375 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- On the Right Path
EIN 831734222 · Headquarters: HOUSTON, TX, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- On the Right Track Inc
EIN 030450647 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- On the Upward Initiative
EIN 933470696 · Headquarters: HOUSTON, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- On the Verge Theater Houston Inc
EIN 471514959 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- On Track Community Development Corporation Inc
EIN 810630419 · Headquarters: HOUSTON, TX, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- On Track Ministries Inc
EIN 760502332 · Headquarters: Houston, TX, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- On Watch Community Outreach Inc
EIN 271477050 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Once a Man Twice a Child Inc
EIN 475124607 · Headquarters: Houston, TX, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Ondo Pier Club 93
EIN 760428720 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One & Done for Autism
EIN 830750628 · Headquarters: Houston, TX, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- One Another Missions Inc
EIN 454535727 · Headquarters: HOUSTON, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One Cat at a Time
EIN 820632538 · Headquarters: HOUSTON, TX, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Cent Foundation
EIN 473468970 · Headquarters: Houston, TX, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- One Clean Earth Society
EIN 933235646 · Headquarters: HOUSTON, TX, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- One Collegiate Inc
EIN 861349438 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Creek West Inc
EIN 834587757 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Delta Plaza Educational Center Inc
EIN 760298100 · Headquarters: HOUSTON, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- One Family One Future Inc
EIN 871251553 · Headquarters: HOUSTON, TX, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Fire Development Corporation
EIN 331017561 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Great Wish
EIN 844734864 · Headquarters: HOUSTON, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Heritage Society Inc
EIN 731636669 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- One Hope for the Heart International Inc
EIN 202429445 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Kid Can
EIN 934177874 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- One Life Outreach Foundation
EIN 208807849 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- One More Round Inc
EIN 841892909 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One of a Kind Driving School
EIN 824864905 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Powerful Movement Inc
EIN 760447555 · Headquarters: Houston, TX, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- One Right Path Services Inc
EIN 453326094 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- One Sample Cultural Foundation
EIN 934595381 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Significant Act in Powered Inc
EIN 460636863 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- One Step Closer Foundation
EIN 450577591 · Headquarters: Houston, TX, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- One Village Planet Womens Development Initiative
EIN 263989395 · Headquarters: HOUSTON, TX, USA · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- One Voice Nation Incorporated
EIN 461809451 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- One Way Ministry Worldwide Incorporated
EIN 884192169 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One-isac Inc
EIN 465534726 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Onedimeonesmile Foundation
EIN 844418667 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onelove Foundation Inc
EIN 831834342 · Headquarters: Houston, TX, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onepowerfulmovement Community Development Center
EIN 202797782 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Onesubsea Group Welfare Benefits Trust
EIN 932735419 · Headquarters: HOUSTON, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onikoyi Descendants of United States of America
EIN 852581191 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onitsha America Medical Mission Inc
EIN 465094534 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Only 1 Code
EIN 920267283 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Only God Revival Ministries
EIN 994010118 · Headquarters: Houston, TX, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Only Jesus Can Set You Free Ministries
EIN 731707302 · Headquarters: Houston, TX, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Onna USA Inc
EIN 454848685 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Onpurpose Enrichment Inc
EIN 813215812 · Headquarters: Houston, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onward and Upward Family Foundation Inc
EIN 874090057 · Headquarters: HOUSTON, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Onward with Novelty Inc
EIN 333977405 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Onyx Cyber Inc
EIN 332568868 · Headquarters: Houston, TX, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Onyx Dynasty Foundation
EIN 830836037 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Open Architecture Houston
EIN 813494544 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Open Arms Foundation
EIN 203183797 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Open Armz of Hope
EIN 262815805 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Open Dance Project Inc
EIN 474631028 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Door Initiatives
EIN 873722579 · Headquarters: HOUSTON, TX, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Door Mission
EIN 760146890 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Hearts Respite Care Inc
EIN 274292659 · Headquarters: HOUSTON, TX, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Open Network for Commerce Exchange
EIN 943383467 · Headquarters: HOUSTON, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open the Taps
EIN 452674502 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Wings Independent Living Inc
EIN 823740755 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Openminds Inc
EIN 923583006 · Headquarters: Houston, TX, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Opera in the Heights
EIN 760499709 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opera Vista
EIN 208151208 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Opera-to-go
EIN 760287631 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Operación San Andrés
EIN 841679407 · Headquarters: Houston, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation American Heroes Foundation
EIN 264253629 · Headquarters: HOUSTON, TX, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Operation Be a Blessing
EIN 884184544 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Bluebonnet
EIN 760476479 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Operation D O A
EIN 260642161 · Headquarters: Houston, TX, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Grace World Missions Inc
EIN 510191131 · Headquarters: HOUSTON, TX, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operation Justice Inc
EIN 992412872 · Headquarters: Houston, TX, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Outreach Original Group One
EIN 201005621 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Smart
EIN 760497651 · Headquarters: Houston, TX, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990
- Operative Plasterers & Cement Masons International Association Local 681
EIN 740901471 · Headquarters: HOUSTON, TX, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operative Plasterers & Cement Masons International Association Local 79
EIN 740893288 · Headquarters: HOUSTON, TX, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operativo Houston
EIN 811673938 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Opheart
EIN 473966215 · Headquarters: HOUSTON, TX, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ophir Institute Inc
EIN 882578523 · Headquarters: HOUSTON, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimal Community Development Services
EIN 462340104 · Headquarters: HOUSTON, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist Club Foundation of Memorial-spring Branch Houston Tx
EIN 760379571 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Optimist Club of Houston Charitable Foundation
EIN 760426368 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist Economy
EIN 394080267 · Headquarters: HOUSTON, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 741007757 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 746064183 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist Scholarship Foundation of Southeast Texas
EIN 746064240 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimum Lifestyle CDC
EIN 593831516 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Optometric Student Association at Uhco
EIN 811585689 · Headquarters: Houston, TX, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990
- Opulent Philanthropy Inc
EIN 453088713 · Headquarters: Houston, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opus 1 Chamber Music School Inc
EIN 933108158 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opus 99 Youth Orchestra
EIN 844172816 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N