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
- National Association of Retired & Veteran Railway Employees
EIN 731224181 · Headquarters: WAYNOKA, OK, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 731235125 · Headquarters: Shawnee, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 731384864 · Headquarters: El Reno, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 731387304 · Headquarters: Broken Arrow, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired & Veteran Railway Employees
EIN 731615488 · Headquarters: Purcell, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired Federal Employees
EIN 113810520 · Headquarters: TULSA, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Retired Federal Employees
EIN 800413698 · Headquarters: Tulsa, OK, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Association of Retired Veteran Railway Employees
EIN 521898360 · Headquarters: OKLAHOMA CITY, OK, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Association of Tax Professionals Inc
EIN 731475851 · Headquarters: Tulsa, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Association of Teachers of Singing
EIN 273532551 · Headquarters: Broken Arrow, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of the Remodeling Industry
EIN 731291850 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Association of Voca Assistance Administrators
EIN 392037020 · Headquarters: OKLAHOMA CITY, OK, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Association of Women Business Owners
EIN 731505485 · Headquarters: Broken Arrow, OK, US · Housing & Shelter · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Association of Women in Construction
EIN 736103418 · Headquarters: Owasso, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Women in Construction Oklahoma City Chap383
EIN 352598931 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Auxiliary of the Sons of Union Veterans of Civil War
EIN 870760714 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Auxiliary Rainbow Division Veterans
EIN 431223933 · Headquarters: Broken Arrow, OK, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- National Biplane Association
EIN 731295831 · Headquarters: TULSA, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- National Black Nurses Association Inc
EIN 272281273 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Black Nurses Association Inc
EIN 823773848 · Headquarters: Bethany, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Camp Scholarship Fund Inc
EIN 200382103 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Capital Tartan Day Committee Inc
EIN 753033496 · Headquarters: Moore, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Career Development Association
EIN 526045839 · Headquarters: Broken Arrow, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Center for Addiction Studies and Treatment Foundation
EIN 834142663 · Headquarters: NICHOLS HILLS, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Charity League Inc Bixby Chapter
EIN 834137018 · Headquarters: Tulsa, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Charity League Inc Greater Tulsa Chapter
EIN 821441881 · Headquarters: TULSA, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Charity League Inc Jenks Chapter
EIN 830834266 · Headquarters: JENKS, OK, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Charity League Inc Tulsa Midtown Chapter
EIN 461856802 · Headquarters: Tulsa, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Coalition of Federal Aviation Employees W-disabilities
EIN 731450131 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Combat Veterans Motorcycle Association
EIN 800317082 · Headquarters: YUKON, OK, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Conference of State Human Services Financ
EIN 581583134 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Consortium for Health Science Education
EIN 383100977 · Headquarters: Owasso, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Contract Management Association
EIN 731535040 · Headquarters: Broken Arrow, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Council of State Agencies for T
EIN 237213574 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Council of Teachers of English
EIN 300868990 · Headquarters: Stillwater, OK, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- National Council on Family Relations
EIN 452610225 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Council on Family Relations
EIN 930825864 · Headquarters: Edmond, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Cowboy and Western Heritage Museum
EIN 300341029 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Creativity Network Inc
EIN 273054164 · Headquarters: OKLAHOMA CITY, OK, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- National Diabetes Education
EIN 455343826 · Headquarters: Broken Arrow, OK, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- National Downed Bikers Association Inc
EIN 300833892 · Headquarters: Oklahoma City, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Drug Dog Foundation
EIN 263579778 · Headquarters: shawnee, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Electrical Contractors Assn Eastern OK Chapter
EIN 730554232 · Headquarters: Broken Arrow, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Emergency Responders Assistance Program Inc
EIN 832201251 · Headquarters: OKLAHOMA CITY, OK, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Exchange Club
EIN 202316800 · Headquarters: Norman, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Exchange Club
EIN 205517778 · Headquarters: Oklahoma City, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Exchange Club
EIN 208925620 · Headquarters: McAlester, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Exchange Club
EIN 237107052 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Exchange Club
EIN 237261703 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Exchange Club
EIN 311170345 · Headquarters: MUSKOGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Exchange Club
EIN 731605801 · Headquarters: Edmond, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Exchange Club
EIN 736111512 · Headquarters: muskogee, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Exchange Club 1969 Oklahoma City Ok
EIN 736101203 · Headquarters: EDMOND, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Farm Crisis Center Inc
EIN 731442540 · Headquarters: perkins, OK, US · Mental Health & Crisis Intervention · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Federation of Music Clubs
EIN 271634118 · Headquarters: POTEAU, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Federation of Music Clubs
EIN 900786237 · Headquarters: POTEAU, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Federation of the Blind of Oklahoma Inc
EIN 731375679 · Headquarters: Warr Acres, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Fellowship of Associate Members & Local Pastors of Umc
EIN 383101488 · Headquarters: LAVERNE, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Fiddlers Hall of Fame Inc
EIN 753182067 · Headquarters: TULSA, OK, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Fitness Professionals of America
EIN 300260629 · Headquarters: Bethany, OK, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- National Football Foundation and College Hall of Fame Inc
EIN 731416433 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- National Guard Association of Ok Scholarship Foundation Inc
EIN 731479190 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- National Guard Association of Oklahoma Inc
EIN 730763045 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Hbpa Inc Trao
EIN 731421672 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Headquarters of the National Society of Scabbard and B
EIN 350991684 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Horse Artillery and Calvary Conservancy Foundation
EIN 395149999 · Headquarters: Marlow, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Huguenot Society
EIN 521861632 · Headquarters: Ponca City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Indian and Native American Wic Coalition
EIN 860632559 · Headquarters: Tahlequah, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Indian Child Care Association
EIN 731459645 · Headquarters: RAMONA, OK, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Indian Head Start Directors Assoc
EIN 731388267 · Headquarters: Norman, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Indian Monument & Institute Inc Dba Tulsa Indian Art Festival
EIN 731377505 · Headquarters: TULSA, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990
- National Indian Womens Health Resource Center
EIN 850454693 · Headquarters: TAHLEQUAH, OK, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Inst on Devl Delays Inc
EIN 731353982 · Headquarters: Shawnee, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Institute of Governmental Purchasing Inc
EIN 731609983 · Headquarters: OKLAHOMA CITY, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Jihad Society of America
EIN 853607262 · Headquarters: Blanchard, OK, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- National Johnson-omalley Association
EIN 272665786 · Headquarters: TULSA, OK, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Johnson-omalley Foundation
EIN 272665880 · Headquarters: TULSA, OK, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Junior College Athletic Association
EIN 812585719 · Headquarters: Seminole, OK, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Alpha State
EIN 365114545 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 208807771 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 237175306 · Headquarters: Washington, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 237205314 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 237337500 · Headquarters: Shawnee, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 237444452 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 273438649 · Headquarters: Edmond, OK, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 412205322 · Headquarters: Tulsa, OK, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 720995319 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 730737343 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Kappa Kappa Iota Inc
EIN 731031304 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731184301 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200425 · Headquarters: Lawton, OK, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200431 · Headquarters: Meeker, OK, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200450 · Headquarters: Chickasha, OK, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200451 · Headquarters: Weatherford, OK, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200513 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200519 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200521 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200526 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200528 · Headquarters: Bethany, OK, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- National Kappa Kappa Iota Inc
EIN 731200542 · Headquarters: Miami, OK, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N