Nonprofits in Oklahoma
Nonprofits in Oklahoma. Browse 25,638 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
- Helena Historical Society
EIN 562503325 · Headquarters: Helena, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Helene V Byrnes Foundation
EIN 731466678 · Headquarters: BIXBY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Hellen Thomas Evangelistic Assoc Inc
EIN 731143627 · Headquarters: BROKEN ARROW, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hellenic Foundation for the Preservation of Hist&culture Inc
EIN 113680336 · Headquarters: Tulsa, OK, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Heller Park Neighbors
EIN 273035983 · Headquarters: Tulsa OK, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Heller Theatre Company
EIN 471685669 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hellfighters Motorcycle Ministry Oklahoma City Inc
EIN 921035214 · Headquarters: MUSTANG, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Helmerich Tulsa Philharmonic
EIN 736218172 · Headquarters: TULSA, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Helo Oklahoma
EIN 272509217 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Helowha Intertribal Center
EIN 465148657 · Headquarters: Muskogee, OK, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Help & Hope for the Future Inc
EIN 991504423 · Headquarters: ELGIN, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Help 4 Veterans
EIN 331340596 · Headquarters: Moore, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Help All Violence End Now Inc
EIN 731353729 · Headquarters: OKLAHOMA CITY, OK, US · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Help Dream
EIN 472005942 · Headquarters: Sand Springs, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Help for Children International Inc
EIN 393322183 · Headquarters: Hooker, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Help for Healing Inc
EIN 451486150 · Headquarters: NORMAN, OK, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Help Hailey Foundation
EIN 272667752 · Headquarters: Clinton, OK, USA · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Help in Crisis Inc
EIN 731125382 · Headquarters: TAHLEQUAH, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Help One Foundation
EIN 473065132 · Headquarters: Oklahoma City, OK, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Help Save Humans Inc
EIN 815231843 · Headquarters: SHAWNEE, OK, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- Help with Homes Inc
EIN 844922071 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Help Works
EIN 731078009 · Headquarters: Pawhuska, OK, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Help Works Homes Inc
EIN 731605698 · Headquarters: BARTLESVILLE, OK, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Helpers International Inc
EIN 810828100 · Headquarters: Tulsa, OK, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Helping Community Paws and Claws Inc
EIN 870891729 · Headquarters: GUTHRIE, OK, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Helping Hand
EIN 201235080 · Headquarters: Oklahoma City, OK, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Helping Hands and Hooves Inc
EIN 994927833 · Headquarters: ARAPAHO, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Helping Hands Community Foundation
EIN 833287323 · Headquarters: Chandler, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Helping Hands Equine Assistance Inc
EIN 471779685 · Headquarters: Piedmont, OK, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Helping Hands Food Program Inc
EIN 731609727 · Headquarters: Newcastle, OK, USA · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990
- Helping Hands for Successful Living Inc
EIN 814853315 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Helping Hands for the Elderly & Handicapped Society Corporation
EIN 900611234 · Headquarters: Tahlequah, OK, US · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Helping Hands Foundation of Green Country
EIN 471424409 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Helping Hart Inc
EIN 871169239 · Headquarters: EDMOND, OK, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Helping Highway Foundation
EIN 922248659 · Headquarters: PURCELL, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Helping Hooves Inc
EIN 421584571 · Headquarters: Haskell, OK, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Helping One Another Inc
EIN 471869596 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Helping Others Obtain Personal Salvation
EIN 320180511 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Helping Others Past Experiences Inc
EIN 831266457 · Headquarters: Yukon, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Helping Others Persevere in Excellence
EIN 880737005 · Headquarters: Norman, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Helping Others365
EIN 824014344 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Helping Paws Animal Rescue Inc
EIN 454460352 · Headquarters: Blanchard, OK, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Helping People Help Pets Fund
EIN 475303273 · Headquarters: Enid, OK, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Helping Women Win Incorporated
EIN 475230616 · Headquarters: Lawton, OK, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Helpless Hounds Dog Rescue
EIN 842167544 · Headquarters: TULSA, OK, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Helpmeowt
EIN 202913083 · Headquarters: Guthrie, OK, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- HELPS Inc
EIN 204042396 · Headquarters: Broken Arrow, OK, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Henderson Charity Golf Inc
EIN 205338900 · Headquarters: TULSA, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Henderson Heals Inc
EIN 993582088 · Headquarters: Oklahoma City, OK, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hendricks R a Trust
EIN 736142061 · Headquarters: DEWEY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hendrix Community Senior Citizens Centers Inc
EIN 731361846 · Headquarters: HENDRIX, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hennenfent Ministries Inc
EIN 471920618 · Headquarters: BROKEN ARROW, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hennepin Cemetery Association
EIN 455142233 · Headquarters: HENNEPIN, OK, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hennessey Ag Booster Club
EIN 395143698 · Headquarters: Hennessey, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hennessey Educational School Foundation Inc
EIN 731388289 · Headquarters: HENNESSEY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hennessey Elem Pto
EIN 813407611 · Headquarters: Hennessey, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hennessey Lady Eagles Golf
EIN 394750574 · Headquarters: Hennessey, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hennessey United Association
EIN 141891673 · Headquarters: Hennessey, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hennigan Herald Ministries
EIN 852968365 · Headquarters: NORMAN, OK, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Henry & Elizabeth Donaghey Foundation Bokf Na
EIN 751937116 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Henry Memorial Foundation
EIN 810885554 · Headquarters: Tulsa, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Henry Zarrow International School Education Fdn In
EIN 205128549 · Headquarters: Tulsa, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Henryetta Amateur Radio Club
EIN 994384728 · Headquarters: Henryetta, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Henryetta Animal Aid & Rescue Team Inc
EIN 200718580 · Headquarters: Henryetta, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Henryetta Education Foundation
EIN 731520113 · Headquarters: Henryetta, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Henryetta Historical Society
EIN 731174759 · Headquarters: Henryetta, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Henryetta Knights Wrestling Club
EIN 812591512 · Headquarters: HENRYETTA, OK, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Henryetta Live Foundation
EIN 873065106 · Headquarters: Henryetta, OK, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Henryetta Tennis Association
EIN 262835844 · Headquarters: Henryetta, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Henryetta Young Professionals and Entrepreneurs
EIN 932850529 · Headquarters: Henryetta, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Henryetta Youth Baseball & Softball Association Inc
EIN 263282131 · Headquarters: Henryetta, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Henryetta Youth Football Association
EIN 300932058 · Headquarters: Henryetta, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Henthorne Opal I Charitable Trust
EIN 731610356 · Headquarters: OKLAHOMA CITY, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Her First Women S Health of Oklahoma Inc
EIN 331277748 · Headquarters: Oklahoma City, OK, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Her Hope Rising Inc
EIN 334147615 · Headquarters: Madill, OK, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Her Uniqueness Through Love
EIN 921736786 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Herbal Affair Inc
EIN 261581989 · Headquarters: Sand Springs, OK, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Herbert and Roseline Gussman Foundation
EIN 736090063 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Herbert Cooper Ministries
EIN 431836960 · Headquarters: OKLAHOMA CITY, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Here Comes the Son Ministries Inc
EIN 873357619 · Headquarters: KANSAS, OK, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Here I Am
EIN 320383354 · Headquarters: Enid, OK, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Here to Serve Foundation
EIN 850784002 · Headquarters: NORMAN, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Heritage Academy Foundation Inc
EIN 731368665 · Headquarters: Tulsa, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Heritage Antique Firearms Preservation Foundation
EIN 203415774 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Heritage Elementary Pto
EIN 474210294 · Headquarters: EDMOND, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Heritage Family Services Inc
EIN 731504908 · Headquarters: TULSA, OK, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990
- Heritage Hall
EIN 730783395 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Heritage Hall Affiliated Fund of Occf Inc
EIN 731506204 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990
- Heritage Hills Owners Association
EIN 730942886 · Headquarters: ENID, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Heritage Homeschool Friends Inc
EIN 474145875 · Headquarters: Skiatook, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Heritage League of the Enid Area
EIN 731229888 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Heritage Park Inc
EIN 201917219 · Headquarters: Muskogee, OK, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Heritage21 Inc
EIN 812123236 · Headquarters: Oklahoma City, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Herland Sister Resources
EIN 731234530 · Headquarters: Oklahoma City, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Herman E Duncan Grand Commandery Knights Templar Masons
EIN 471567347 · Headquarters: Midwest City, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Herman Kaiser Foundation
EIN 510173653 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Herman P and Sophia Taubman Foundation %Bank of Oklahoma Private Wealth
EIN 736092820 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hern Family Foundation
EIN 460768060 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Heroes Hope Inc
EIN 922679149 · Headquarters: Tulsa, OK, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Heroes in Waiting Inc
EIN 920719754 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ