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 Life and Health Insurance Guaranty Association
EIN 731157305 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Life Skills Association
EIN 020645322 · Headquarters: Haskell, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Lightning Baseball of Norman
EIN 393589523 · Headquarters: NORMAN, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Limousin Breeders Foundation
EIN 932583541 · Headquarters: WELCH, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Lions Boys Ranch Inc Dba Lions Meadows of Hope
EIN 730667540 · Headquarters: STILLWATER, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Lions Service Foundation Inc
EIN 237396135 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Lions Sight Conservation Foundation Inc
EIN 730669317 · Headquarters: OKLAHOMA CITY, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Literacy Coalition Inc
EIN 731290748 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Literary Arts Alliance Inc
EIN 471330370 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Oklahoma Livestock Marketing Association
EIN 731505950 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Living History Association Inc
EIN 731175109 · Headquarters: Bartlesville, OK, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oklahoma Lucky Dawg Rescue
EIN 043850195 · Headquarters: Okmulgee, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Lumbermen's Association
EIN 730549274 · Headquarters: OKLAHOMA CITY, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990
- Oklahoma Lung Cancer Initiative
EIN 463726116 · Headquarters: Oklahoma City, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oklahoma Mahjong Club
EIN 384317074 · Headquarters: Bixby, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Main Street Foundation
EIN 814764462 · Headquarters: Okmulgee, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Malayalee Association Inc
EIN 731527142 · Headquarters: OKLAHOMA CITY, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Market Assistance Program Association
EIN 731255165 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Masonic Historical Museum Ltd
EIN 743089796 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Master Naturalist Central Chapter
EIN 830463709 · Headquarters: Shawnee, OK, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oklahoma Meat Goat Association
EIN 208776927 · Headquarters: perry, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Mechanical Inspectors Association
EIN 731476367 · Headquarters: YUKON, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Media Center Inc
EIN 873120337 · Headquarters: ENID, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Medical Assistants Society Inc
EIN 736111557 · Headquarters: Oklahoma City, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oklahoma Medical Assistants Society Org
EIN 991764826 · Headquarters: Wagoner, OK, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oklahoma Medical Equipment Providers Association Inc
EIN 823060887 · Headquarters: DURANT, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Medical Group Management Association Inc
EIN 911984586 · Headquarters: Tulsa, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Medical Research Foundation
EIN 730580274 · Headquarters: Oklahoma City, OK, United States · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Mental Health Consumer Council Inc
EIN 731393516 · Headquarters: OKLAHOMA CITY, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oklahoma Mental Health Counselors Association
EIN 993128490 · Headquarters: Oklahoma City, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Methodist Foundation
EIN 730758119 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Micronesian Coalition
EIN 853636132 · Headquarters: Enid, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oklahoma Microscopy Society
EIN 731294817 · Headquarters: Norman, OK, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Military Heritage Foundation
EIN 830364047 · Headquarters: Edmond, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Military Historical Association
EIN 261927578 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Mineral and Gem Society Inc
EIN 736105715 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Miniature Hereford Association
EIN 881981166 · Headquarters: GARBER, OK, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Miniature Horse Club
EIN 731552028 · Headquarters: CUSHING, OK, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Missionary Baptist College
EIN 237423505 · Headquarters: Choctaw, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Oklahoma Mobility Institute
EIN 852703043 · Headquarters: Oklahoma City, OK, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Model Railroad Association
EIN 813055337 · Headquarters: Oklahoma City, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Modern Military History Museum Inc
EIN 883504618 · Headquarters: OKLAHOMA CITY, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Modern Music Collective
EIN 832488996 · Headquarters: Oklahoma City, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Monarch Society
EIN 934955980 · Headquarters: OKLAHOMA CITY, OK, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Monarchs Baseball Club
EIN 822252312 · Headquarters: Tulsa, OK, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Oklahoma Moose Association
EIN 731393371 · Headquarters: WOODWARD, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Mortgage Bankers Association
EIN 731239794 · Headquarters: STILLWATER, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Mothers Milk Bank
EIN 275349239 · Headquarters: Oklahoma City, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Motion Picture Alliance Education and Research Foundation
EIN 413214333 · Headquarters: Mustang, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Motion Picture Alliance Inc
EIN 934532028 · Headquarters: Mustang, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Motorcycle Safety and Charitable Services Inc
EIN 331671485 · Headquarters: Broken Arrow, OK, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Mu Alumni Corporation
EIN 736102125 · Headquarters: STILLWATER, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oklahoma Mu of Sae Inc
EIN 730647826 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Municipal Contractors Asso
EIN 730670279 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oklahoma Municipal Services Corp
EIN 731305194 · Headquarters: OKLAHOMA CITY, OK, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Mural Syndicate
EIN 813066584 · Headquarters: Oklahoma City, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Museum of Labor and Mining
EIN 680575347 · Headquarters: Henryetta, OK, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Oklahoma Museum of Telephone History
EIN 731607832 · Headquarters: Oklahoma City, OK, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oklahoma Museums Association
EIN 731004791 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Music Educators Association
EIN 736114437 · Headquarters: MUSKOGEE, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Music Hall of Fame and Museum Inc
EIN 522112948 · Headquarters: MUSKOGEE, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Mustang Club
EIN 731616093 · Headquarters: Mustang, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma N-rail Inc
EIN 300465605 · Headquarters: Tuttle, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma National Guard Foundation
EIN 861401924 · Headquarters: Oklahoma City, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma National Guard Museum Foundation
EIN 844451431 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Native American Technology Council Inc
EIN 472012257 · Headquarters: Shawnee, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oklahoma Native Assets Coalition Inc
EIN 465103221 · Headquarters: OKLAHOMA CITY, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Native Plant Society
EIN 731318037 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Natural Employees Association
EIN 730737924 · Headquarters: Tulsa, OK, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oklahoma Newspaper Foundation
EIN 736103398 · Headquarters: OKLAHOMA CITY, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oklahoma Nonprofit Ems Association
EIN 921582341 · Headquarters: Muskogee, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Nonprofit Partners Foundation
EIN 853390911 · Headquarters: Oklahoma City, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma North East Lupus Support
EIN 463419837 · Headquarters: Edmond, OK, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Nurse Assistance Program Inc
EIN 731263019 · Headquarters: Oklahoma City, OK, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oklahoma Nursery & Landscape Assoc
EIN 730734570 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Nurses Association
EIN 730490791 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Nurses Association
EIN 730563323 · Headquarters: OKLAHOMA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Nurses Association
EIN 730611482 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Nurses Association
EIN 736099405 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Nurses Association
EIN 736118979 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma Nurses Association
EIN 736118980 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Nurses Association
EIN 736118981 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oklahoma Nurses Association
EIN 736118987 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Oklahoma Nurses Foundation Inc
EIN 731165207 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Nursing Student Association
EIN 736104296 · Headquarters: Oklahoma City, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma Nursing Student Association Inc
EIN 205049330 · Headquarters: Tulsa, OK, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Oklahoma Nw Area Vo Tech Education Foundation
EIN 731393251 · Headquarters: ALVA, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Observer Democracy Foundation
EIN 462965135 · Headquarters: EDMOND, OK, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oklahoma Occupational Therapy Association
EIN 730989173 · Headquarters: EDMOND, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oklahoma Officer Down Foundation Inc
EIN 800185809 · Headquarters: Oklahoma City, OK, US · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oklahoma Oil and Gas Association
EIN 730308320 · Headquarters: OKLAHOMA CITY, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990
- Oklahoma Oilmens Fish Fry Assoc Inc
EIN 813905558 · Headquarters: Mustang, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma One-call System Inc
EIN 731093611 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oklahoma Onsite Wastewater Association
EIN 873792820 · Headquarters: Claremore, OK, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oklahoma Operating Engineers Welfare Plan
EIN 730790052 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Operation Lifesaver Inc
EIN 731408089 · Headquarters: CASHION, OK, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Opportunity Project Inc
EIN 823650242 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oklahoma Optometric Association
EIN 730641734 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oklahoma Optometric Physicians Foundation Inc
EIN 201903665 · Headquarters: OKLAHOMA CITY, OK, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oklahoma Optometric Student Associa Tion
EIN 861696911 · Headquarters: TAHLEQUAH, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ