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
- Hands That Love International Inc
EIN 731392025 · Headquarters: BROKEN ARROW, OK, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Handsatworkjomacorp
EIN 833377052 · Headquarters: Tishomingo, OK, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Haneborg Foundation
EIN 205822347 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Hangar 10 Flying Museum Inc
EIN 752633845 · Headquarters: KINGFISHER, OK, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hannah Lillian Selikoff Memorial Foundat Ion
EIN 871935469 · Headquarters: OKLAHOMA CITY, OK, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hannahs Glory Inc
EIN 731541501 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Happiness Foundation Inc
EIN 952679980 · Headquarters: COMANCHE, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Happiness Is Helping Foundation
EIN 311695374 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Happinest Inc
EIN 862247178 · Headquarters: Tulsa, OK, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Happy Cat Habitat
EIN 881917559 · Headquarters: Ardmore, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Happy Dog Farm Foundation
EIN 383867485 · Headquarters: JONES, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Happy Hands Education Center Inc
EIN 731425473 · Headquarters: BROKEN ARROW, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Happy Hounds Animal Rescue
EIN 932140607 · Headquarters: OKLAHOMACITY, OK, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Happy Joe
EIN 464241470 · Headquarters: Yukon, OK, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Happy Place
EIN 814079673 · Headquarters: Pauls Valley, OK, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Happy Tails Animal Rescue Society
EIN 850518814 · Headquarters: EDMOND, OK, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Happy Tails Animal Sanctuary
EIN 475383304 · Headquarters: Mutual, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Happy World Foundation Inc
EIN 830971134 · Headquarters: Norman, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Happyland Volunteer Firefighters Association
EIN 731457985 · Headquarters: Ada, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Har-ber Village Foundation
EIN 710541295 · Headquarters: GROVE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harambee Inc
EIN 731159965 · Headquarters: oklahoma city, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Harbor House Foundation Inc
EIN 593401516 · Headquarters: CHOCTAW, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harbor of Miami Ok Inc
EIN 020669208 · Headquarters: MIAMI, OK, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harbor Social Group
EIN 753138330 · Headquarters: Park Hill, OK, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Hard Hats & Helping Handz Inc
EIN 462743423 · Headquarters: UNION CITY, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hardcore Ministries Inc
EIN 452424915 · Headquarters: TULSA, OK, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hardesty Senior Citizens
EIN 731193930 · Headquarters: guymon, OK, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Harding Charter Preparatory School District
EIN 731533946 · Headquarters: Oklahoma City, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harding Fine Arts Academy Foundation
EIN 834575379 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harding Fine Arts Academy Inc
EIN 200011370 · Headquarters: Oklahoma City, OK, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harding High School Alumni Association
EIN 201659206 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hardluck Auto Services Association
EIN 833318265 · Headquarters: CHOCTAW, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hardshell Posse
EIN 814007297 · Headquarters: Midwest city, OK, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Hargrove Family Foundation
EIN 731601947 · Headquarters: EDMOND, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harlan and Virginia Krumme Charitable Trust
EIN 731604802 · Headquarters: Sand Springs, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harley Foster Haven Incorporated
EIN 990882526 · Headquarters: CLAREMORE, OK, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harley Owners Group Wind River Chapter Inc
EIN 731538083 · Headquarters: LAWTON, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Harleys House Crisis Nursery Association
EIN 833884292 · Headquarters: Weatherford, OK, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harlow Creek Elementary School Inc
EIN 831408541 · Headquarters: Tulsa, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harmon Community Fire Fighters Association
EIN 731306229 · Headquarters: Arnett, OK, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Harmon County Bbq Association
EIN 861742321 · Headquarters: HOLLIS, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harmon County Civic Tr
EIN 731584316 · Headquarters: Hollis, OK, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Harmon County Farm Bureau
EIN 737142077 · Headquarters: Hollis, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harmon County Forward Foundation Inc
EIN 814871789 · Headquarters: HOLLIS, OK, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harmon County Historical Society
EIN 731317464 · Headquarters: Hollis, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harmon Electric Association Inc
EIN 730274135 · Headquarters: HOLLIS, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harmon Water Corporation
EIN 730792661 · Headquarters: GOULD, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harmony Grace Imagination Foundation
EIN 333325092 · Headquarters: Bristow, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harmony Project Tulsa
EIN 474235862 · Headquarters: Tulsa, OK, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harms Family Foundation C/o Larry Harms
EIN 527262311 · Headquarters: EDMOND, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harold a White and Edna L White Foundation
EIN 731582836 · Headquarters: TULSA, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harold and Dorothy Wilson Foundation
EIN 208106555 · Headquarters: LAWTON, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Harold Davis Ministries Inc
EIN 731351144 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Harold F Bassett Foundation
EIN 731597554 · Headquarters: Edmond, OK, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harold M Hefley & Vera Corbin Hefley Charitable Foundation
EIN 311703432 · Headquarters: GOODWELL, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harold W Jones Ministries
EIN 731608178 · Headquarters: TULSA, OK, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harper Academy Incorporated
EIN 272206129 · Headquarters: OKLAHOMA CITY, OK, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990
- Harper County Farm Bureau
EIN 730629153 · Headquarters: Buffalo, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harper County Historical Society
EIN 730951811 · Headquarters: LAVERNE, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Harrah Band Boosters
EIN 933235358 · Headquarters: Harrah, OK, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrah Educational Enrichment Foundation Inc
EIN 412181135 · Headquarters: HARRAH, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrah Football Club Inc
EIN 993232792 · Headquarters: Harrah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrah Friends of the Park Foundation
EIN 810779117 · Headquarters: Harrah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrah High School Pom Booster Club Inc
EIN 993806228 · Headquarters: harrah, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrah High School Softball Booster
EIN 994017920 · Headquarters: Harrah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrah High School Track & Field Booster Club Inc
EIN 991235201 · Headquarters: Harrah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrah Historical Society
EIN 731332967 · Headquarters: Harrah, OK, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrah Memory Lane Cemetery Assn Inc
EIN 731274036 · Headquarters: HARRAH, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrah Ministerial Alliance Inc
EIN 815483325 · Headquarters: Harrah, OK, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrah Senior Citizens Inc
EIN 731242596 · Headquarters: HARRAH, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrah Senior Housing Corp
EIN 731264823 · Headquarters: Harrah, OK, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrah Senior Housing Corp II
EIN 731415388 · Headquarters: Harrah, OK, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harrah Soccer Club Inc
EIN 471382169 · Headquarters: Harrah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrah Tip-in Club Inc
EIN 990875446 · Headquarters: Harrah, OK, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harrah Youth Football Association
EIN 731511441 · Headquarters: HARRAH, OK, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harris Foundation Inc
EIN 736093072 · Headquarters: OKLAHOMA CITY, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harrison Hope
EIN 880726280 · Headquarters: Glenpool, OK, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harrison International Ministries
EIN 731167758 · Headquarters: TULSA, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harry & Sarah Kirschner Memorial Trust
EIN 731164199 · Headquarters: MUSKOGEE, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF
- Harry and Louise Brown Foundation
EIN 731485811 · Headquarters: OKLAHOMA CITY, OK, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Harry Hammerly Trust Co First National Bank & Trust Co
EIN 736111266 · Headquarters: CHICKASHA, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Harry Layden Ministries Inc
EIN 731593735 · Headquarters: Tulsa, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harry Wilson Ministries Inc
EIN 263392084 · Headquarters: Tulsa, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hart-cowan American Legion Ladies Auxiliary Unit 333
EIN 452528318 · Headquarters: Ralston, OK, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hartlen G Coats Ministries
EIN 260366610 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harvard Pointe Homeowners Association
EIN 262638672 · Headquarters: TULSA, OK, US · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Harvest Basket Inc
EIN 470894441 · Headquarters: SULPHUR, OK, US · Food, Agriculture & Nutrition · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Harvest Christian Academy
EIN 934119658 · Headquarters: Lawton, OK, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvest Family Church Inc
EIN 731185944 · Headquarters: SAPULPA, OK, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Harvest Farms Therapeutic Riding Center Inc
EIN 200780897 · Headquarters: Mounds, OK, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Harvest Hills Elementary Pto
EIN 813213781 · Headquarters: Oklahoma City, OK, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvest Hope Foundation
EIN 475306092 · Headquarters: NORMAN, OK, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- Harvest House Ministries
EIN 203832521 · Headquarters: OKLAHOMA CITY, OK, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Harvest House Outreach Inc
EIN 203781764 · Headquarters: TULSA, OK, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harvest International Ministries
EIN 731360910 · Headquarters: Broken Arrow, OK, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Harvest Mexico Ministries Inc
EIN 204552340 · Headquarters: Tulsa, OK, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Harvest Ministries Inc
EIN 731338494 · Headquarters: Oklahoma City, OK, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harvest Movement International Inc
EIN 821176166 · Headquarters: Moore, OK, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harvest Plenty Foundation
EIN 415032041 · Headquarters: Lawton, OK, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harvest Project Ministries Inc
EIN 205807247 · Headquarters: Broken Arrow, OK, US · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990-N