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
- American Legion Club Dale Peace Post 40
EIN 736095162 · Headquarters: VINITA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Dennis Butler Post 102
EIN 736103562 · Headquarters: Stilwell, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Legion Frank Gladd Post No 20 Inc
EIN 736103368 · Headquarters: FORT GIBSON, OK, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Frank H Collings Post 111
EIN 412105618 · Headquarters: EDMOND, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Legion George Oakley Post #8
EIN 736103959 · Headquarters: IDABEL, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Legion HannerSharpPost129
EIN 736102274 · Headquarters: Stillwater, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Huff Minor Post 14
EIN 730681522 · Headquarters: Ponca City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Legion Huff Minor Post 14 Foundation Inc
EIN 300827338 · Headquarters: Ponca City, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion James F Smith Memorial Post 1
EIN 730240175 · Headquarters: MUSKOGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Legion Memorial Home Association of Shawnee Oklahoma Po
EIN 736102268 · Headquarters: Shawnee, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Legion Memorial Poppy Association
EIN 730587444 · Headquarters: OKLAHOMA CITY, OK, USA · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- American Legion Moore Post 184 Foundation
EIN 993019236 · Headquarters: Moore, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion National Headquarters
EIN 736102104 · Headquarters: Fort Towson, OK, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- American Legion National Headquarters
EIN 736103544 · Headquarters: HOBART, OK, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Legion Post 0010 White Williams
EIN 736097223 · Headquarters: Okmulgee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Post 0013 Capitol Hill
EIN 736103456 · Headquarters: Oklahoma City, OK, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Legion Post 0022 Munn Dunlap
EIN 736097873 · Headquarters: Stigler, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Post 0053
EIN 736102255 · Headquarters: Perry, OK, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Legion Post 0054 Hurst- Beaton
EIN 736098190 · Headquarters: Chickasha, OK, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Legion Post 0056
EIN 736102229 · Headquarters: Skiatook, OK, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Legion Post 0069 Brown Chapman Post
EIN 736103660 · Headquarters: Chester, OK, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Legion Post 0073 Post
EIN 736102219 · Headquarters: Del City, OK, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- American Legion Post 0076 Davis & Grimes
EIN 736103451 · Headquarters: Vici, OK, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Legion Post 0079 Harrison-powers
EIN 736103458 · Headquarters: MCALESTER, OK, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 0083 Leonard Brown
EIN 736103958 · Headquarters: HYDRO, OK, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Legion Post 0087 Robert G Davenport
EIN 736103983 · Headquarters: PAULS VALLEY, OK, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Legion Post 0092 Meyer Shiel
EIN 736102201 · Headquarters: Alva, OK, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Legion Post 0139 James L Wallen
EIN 736103941 · Headquarters: Fairland, OK, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- American Legion Post 0151 Roby Estes Habeck
EIN 736103349 · Headquarters: Reydon, OK, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- American Legion Post 0165 Otto G Abbott
EIN 736103376 · Headquarters: Newkirk, OK, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Legion Post 0200 Durrill Rahe
EIN 736103925 · Headquarters: Crescent, OK, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- American Legion Post 0209 Kearns Carpenter
EIN 736102237 · Headquarters: Lamont, OK, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- American Legion Post 0216 Eugene Greer
EIN 736102248 · Headquarters: Oklahoma City, OK, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Legion Post 0230 Gilbert Fossett
EIN 736102107 · Headquarters: hinton, OK, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- American Legion Post 0247 Gold Eagle
EIN 736102640 · Headquarters: CANTON, OK, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- American Legion Post 0257 Lefler Linihan
EIN 736104000 · Headquarters: Stroud, OK, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Legion Post 0308 Mohawk
EIN 730743026 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 0313
EIN 736103954 · Headquarters: Arnett, OK, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Legion Post 0324 Adams Browning
EIN 736102207 · Headquarters: Burns Flat, OK, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Legion Post 0327 Harris Cannedy Post
EIN 736102227 · Headquarters: Gould, OK, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Legion Post 1
EIN 730540844 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Legion Post 105 Youth Baseball
EIN 450610199 · Headquarters: BARTLESVILLE, OK, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Legion Post 108 Cushing OK
EIN 736102217 · Headquarters: Cushing, OK, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Post 12 Waggoner-Trimble
EIN 736103564 · Headquarters: Oklahoma City, OK, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Legion Post 133 Mingus Lake
EIN 736103947 · Headquarters: Geary, OK, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Legion Post 146
EIN 736103359 · Headquarters: SAYRE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Post 17
EIN 736102642 · Headquarters: Sand Springs, OK, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Legion Post 187 Austin Taylor Post
EIN 736103452 · Headquarters: Wayne, OK, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- American Legion Post 188 Folsom-lumpkin
EIN 736102230 · Headquarters: Heavener, OK, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Legion Post 19
EIN 474168362 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Post 192
EIN 736102271 · Headquarters: SPAVINAW, OK, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- American Legion Post 241 Uss Batfish Memorial
EIN 237356443 · Headquarters: Muskogee, OK, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Legion Post 26 Earl Maggart
EIN 736102251 · Headquarters: Pawnee, OK, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- American Legion Post 317 Futrell Maxfield Shoemake
EIN 736102257 · Headquarters: PORUM, OK, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- American Legion Post 34 Inc
EIN 730589857 · Headquarters: EL RENO, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 41
EIN 262329936 · Headquarters: CLINTON, OK, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- American Legion Post 41
EIN 736102213 · Headquarters: CLINTON, OK, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Legion Post 58 Lebron
EIN 730670720 · Headquarters: GUTHRIE, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Legion Post 72
EIN 736103659 · Headquarters: ADA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Legion Post 85
EIN 730965679 · Headquarters: Henryetta, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Legion Post 88
EIN 736113450 · Headquarters: Norman, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Legion Post Frye Ward
EIN 736102265 · Headquarters: SAPULPA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Sullivan Lewis Post
EIN 730756629 · Headquarters: PRYOR, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- American Legion Wade H & Mary E Sears Memorial Trust
EIN 736235288 · Headquarters: BARTLESVILLE, OK, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Legion-0135 Blackfox- Hartness
EIN 237093119 · Headquarters: Tahlequah, OK, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- American Lipedema Association
EIN 993365909 · Headquarters: Yukon, OK, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Logistics Assn
EIN 912031466 · Headquarters: LAWTON, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Marketing Assocation Inc
EIN 731387282 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Marketing Association Inc
EIN 237126767 · Headquarters: Tulsa, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Medical Foundation
EIN 736104267 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Mothers Inc
EIN 731495902 · Headquarters: Yukon, OK, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Muslim Assoc of Lawton
EIN 900394993 · Headquarters: LAWTON, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Muslim Empowerment Network Incorporated
EIN 931341266 · Headquarters: OKLAHOMA CITY, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Muslim Society of Oklahoma Inc
EIN 731324403 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- American Nephrology Nurses Association
EIN 300635329 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Nephrology Nurses Association Red River #273
EIN 364673517 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Optometric Student Association Incorporated
EIN 731200914 · Headquarters: Tahlequah, OK, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- American Orff-schulwerk Association
EIN 611816198 · Headquarters: BROKEN ARROW, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Orff-schulwerk Association
EIN 743256930 · Headquarters: Bethany, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Osteopathic College of Preventive Medicine Inc
EIN 582019831 · Headquarters: Edmond, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Petroleum Institute Oklahoma City Chapter
EIN 731517579 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Pharmacists Association Academy of Student Pharmacists
EIN 736105955 · Headquarters: Weatherford, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Pigeon Museum & Library Inc
EIN 237331116 · Headquarters: OKLAHOMA CITY, OK, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Planning Association
EIN 731174302 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237017953 · Headquarters: Lawton, OK, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237340620 · Headquarters: Lawton, OK, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237340631 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237340641 · Headquarters: Norman, OK, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237340644 · Headquarters: Haskell, OK, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237340659 · Headquarters: Woodward, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237341661 · Headquarters: ADA, OK, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237343490 · Headquarters: Clinton, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237343497 · Headquarters: ENID, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237343498 · Headquarters: Durant, OK, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 731120287 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- American Postal Workers Union
EIN 731189734 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union 86
EIN 736105290 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Postal Workers Union Auxiliary
EIN 237018021 · Headquarters: Muskogee, OK, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Postal Workers Union Auxiliary
EIN 237082925 · Headquarters: Denver, OK, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- AMERICAN POSTAL WORKERS UNION DBA Tulsa Area Local 1348
EIN 730942457 · Headquarters: Tulsa, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ