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
- Oklahoma Small Animal Response Team
EIN 994103592 · Headquarters: Newcastle, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Smoke Diver Association
EIN 823902552 · Headquarters: Broken Arrow, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Soaring Association
EIN 464746518 · Headquarters: Oklahoma City, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Soccer Association Inc
EIN 730779504 · Headquarters: Oklahoma City, OK, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Soccer Referee Association Inc
EIN 474458957 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oklahoma Society for Technology in Education
EIN 731467551 · Headquarters: BARTLESVILLE, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Society of Anesthesiologists
EIN 730739936 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oklahoma Society of Association Executives Education and Research
EIN 731414283 · Headquarters: Mustang, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Society of Association Executives Inc
EIN 731304820 · Headquarters: Mustang, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oklahoma Society of Certified Public Accountants
EIN 730689320 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Society of Certified Public Accountants
EIN 731377075 · Headquarters: CLINTON, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma Society of Certified Public Accountants Educational Foun
EIN 731339781 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Society of Certified Public Managers
EIN 731349560 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Oklahoma Society of Clinical Oncology I
EIN 731392619 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Society of Cpas (Group Return)
EIN 731376933 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Society of Dental Professionals
EIN 852879755 · Headquarters: Edmond, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Society of Environmental Health Professionals
EIN 134356104 · Headquarters: Guthrie, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Society of Health-system Pharmacists
EIN 731043506 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Society of Land Surveyors
EIN 237260775 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Society of Mayflower Descendants
EIN 731323793 · Headquarters: EDMOND, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Society of Professional Advocates
EIN 841911227 · Headquarters: Edmond, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Society of Professional Engineers
EIN 730590096 · Headquarters: OKLAHOMA CITY, OK, USA · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Oklahoma Society of Professional Engineers Inc
EIN 237219807 · Headquarters: OKLAHOMA CITY, OK, USA · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990
- Oklahoma Society of Public Accountants
EIN 736097122 · Headquarters: BROKEN ARROW, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Society Post Anesthesia Nurses Inc
EIN 731272094 · Headquarters: Oklahoma City, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Soft Drink Assn Inc
EIN 731365942 · Headquarters: Oklahoma City, OK, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Solar Association
EIN 823370766 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Sooner Circuit of Dog Shows Club
EIN 731568711 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Sooner Private Process Server Association Inc
EIN 473370269 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Sooner Squadron Inc
EIN 731416337 · Headquarters: EDMOND, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Southeast Asian Center
EIN 932303571 · Headquarters: OWASSO, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oklahoma Southeast Inc
EIN 473597793 · Headquarters: Coalgate, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Southwest Alliance
EIN 261605633 · Headquarters: Hinton, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Sovereign Arts Foundation
EIN 453343442 · Headquarters: OKLAHOMA CITY, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Soybean Board Inc
EIN 731521287 · Headquarters: CLAREMORE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Sparks Kids Inc
EIN 331555182 · Headquarters: ARDMORE, OK, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Spay Network Inc
EIN 731398489 · Headquarters: DURANT, OK, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Speaker's Ball Inc
EIN 202018083 · Headquarters: NORMAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Special Needs Project Inc
EIN 824383526 · Headquarters: OKLAHOMA CITY, OK, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma Special Ts Club
EIN 852725379 · Headquarters: ponca city, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Speech Theatre Communication Association Inc
EIN 731211088 · Headquarters: Bethany, OK, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oklahoma Speech-language-hearing Association
EIN 237271081 · Headquarters: EDMOND, OK, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Sporting Dog Club Inc
EIN 994401630 · Headquarters: Mulhall, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Sports Relief
EIN 392591856 · Headquarters: Broken, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Sportsmens Fund Inc
EIN 871227117 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Square Dance Federation Inc
EIN 736121209 · Headquarters: WEATHERFORD, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Afl-cio
EIN 730674439 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oklahoma State Assembly of Ast
EIN 731605170 · Headquarters: Del City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Association of Letter Carriers
EIN 736102699 · Headquarters: Oklahoma City, OK, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Association of Pathologists Inc
EIN 731227251 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Auctioneers Association
EIN 371573208 · Headquarters: STILLWATER, OK, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma State Bureau of Investigation Employee Association
EIN 731303818 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oklahoma State Chamber of Commerce and Industry Inc
EIN 731270209 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Chiropractic Ind Physici
EIN 731450827 · Headquarters: TULSA, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Oklahoma State Command Oscnabvets
EIN 421765673 · Headquarters: Oklahoma City, OK, USA · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Oklahoma State Council of Mineralogical Societies
EIN 731292790 · Headquarters: Enid, OK, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Oklahoma State Demolay Mothers Club
EIN 465623851 · Headquarters: Yukon, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oklahoma State Dermatology and Dermatologic Surgery Society
EIN 731044383 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Electrologists Association
EIN 731160428 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Equine Rescue and Retirement Ranch Inc
EIN 272888348 · Headquarters: Guthrie, OK, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Oklahoma State Fair
EIN 736017980 · Headquarters: Oklahoma City, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Firefighters Assoc
EIN 730704956 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Firefighters Training and Benevolen
EIN 834431016 · Headquarters: OKLAHOMA CITY, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma State Firemens Museum
EIN 736109355 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Florists Association Education Foundation
EIN 274695493 · Headquarters: Muskogee, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Florists Association Inc
EIN 736098193 · Headquarters: Muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Game Wardens Boosters Association
EIN 383846319 · Headquarters: WEATHERFORD, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma State Grange
EIN 730585569 · Headquarters: Union City, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Oklahoma State Home Builders
EIN 730683222 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Hospice Association
EIN 731511195 · Headquarters: ARDMORE, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma State Medical Asociation Auxiliary
EIN 731103004 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Medical Association
EIN 730384245 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Medical Association
EIN 731370949 · Headquarters: OKC, OK, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 432064008 · Headquarters: Tulsa, OK, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 462632209 · Headquarters: BEGGS, OK, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 462657623 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 462698084 · Headquarters: MIDWEST CITY, OK, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 462721702 · Headquarters: Edmond, OK, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 680501158 · Headquarters: McLoud, OK, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731347764 · Headquarters: Beggs, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357671 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357672 · Headquarters: SAPULPA, OK, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357673 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357674 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357676 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357680 · Headquarters: Lawton, OK, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357688 · Headquarters: Warr Acres, OK, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357987 · Headquarters: YUKON, OK, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357989 · Headquarters: Enid, OK, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357996 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357997 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731357998 · Headquarters: FAXON, OK, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731358000 · Headquarters: Edmond, OK, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731358005 · Headquarters: Claremore, OK, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731358007 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731358009 · Headquarters: Wilburton, OK, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731358016 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731363964 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731365967 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oklahoma State Organization Intl Good Sam Recreational Vehicle Club
EIN 731365969 · Headquarters: BEGGS, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N