Nonprofits in Arizona
Nonprofits in Arizona. Browse 36,477 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
- Obesity Research Foundation Inc
EIN 271714007 · Headquarters: Scottsdale, AZ, US · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Obmc Payson Inc
EIN 812800415 · Headquarters: Payson, AZ, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Obsidian Heart Animal Sanctuary
EIN 414330102 · Headquarters: Phoenix, AZ, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Obsidian Project
EIN 834604583 · Headquarters: Phoenix, AZ, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Obstetrical and Gynecological Society of Phoenix Arizona
EIN 942945209 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oc3an View Ministry USA Inc
EIN 994907893 · Headquarters: Scottsdale, AZ, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oca Greater Phoenix Chapter
EIN 453043495 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Occa Inc
EIN 562407791 · Headquarters: Lake Havasu City, AZ, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990
- Occupy Public Land
EIN 300713409 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ocd Arizona
EIN 301313310 · Headquarters: Phoenix, AZ, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean
EIN 860757824 · Headquarters: CHANDLER, AZ, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ocean Angels Inc
EIN 990851740 · Headquarters: SHOW LOW, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Ecologics
EIN 861046025 · Headquarters: Tucson, AZ, US · Science & Technology · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Ocj Kids
EIN 861040833 · Headquarters: PHOENIX, AZ, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ocj Pto
EIN 464650073 · Headquarters: YUMA, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oconnor Choir Booster Club
EIN 462155707 · Headquarters: Phoenix, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocotillo Camp
EIN 900619606 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Ocotillo Chamber Orchestra Association
EIN 843946547 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ocotillo Entertainment Inc
EIN 883245656 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ocotillo Foundation
EIN 882343827 · Headquarters: SCOTTSDALE, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ocotillo Friends Foundation
EIN 813670709 · Headquarters: Chandler, AZ, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ocotillo Helping Hands Pto
EIN 831775945 · Headquarters: TUCSON, AZ, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ocotillo Hills Block Watch Inc
EIN 334727302 · Headquarters: PHOENIX, AZ, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocotillo Literary Endeavors Inc
EIN 020728999 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocotillo Ridge PTA
EIN 900294229 · Headquarters: Vail, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ocotillo Social Services Inc
EIN 860680265 · Headquarters: TUCSON, AZ, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ocotillo Water Coop
EIN 860515279 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ocrs Foundation
EIN 203309596 · Headquarters: SEDONA, AZ, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Odaiko Sonora Rhythm Industry
EIN 200644377 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Odd Foundation
EIN 931887547 · Headquarters: Tucson, AZ, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Odessa Industries
EIN 863911750 · Headquarters: Coolidge, AZ, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odom Family Foundation C/o Arizona Community Foundation
EIN 860790314 · Headquarters: PHOENIX, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Odysea Aquarium Foundation Inc
EIN 465722865 · Headquarters: SCOTTSDALE, AZ, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Odyssey Big Shots
EIN 900877359 · Headquarters: Phoenix, AZ, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Odyssey of the Mind After School
EIN 900873736 · Headquarters: Mesa, AZ, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Odyssey Research Institute
EIN 272059657 · Headquarters: Tucson, AZ, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oei Hope Inc
EIN 872954221 · Headquarters: SCOTTSDALE, AZ, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Of by For
EIN 842536942 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Of by for Fund
EIN 851620534 · Headquarters: PHOENIX, AZ, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Of One Heart
EIN 934104590 · Headquarters: Tempe, AZ, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Off the Back the Jim Stenholm Foundation
EIN 273267484 · Headquarters: PHOENIX, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Off the Field
EIN 205105763 · Headquarters: CHANDLER, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Officers Spouses Club
EIN 824200907 · Headquarters: YUMA, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Officers Spouses Club - Yuma
EIN 208915824 · Headquarters: Yuma, AZ, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Offroad4autism
EIN 423957732 · Headquarters: Somerton, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Offset Volleyball
EIN 831333153 · Headquarters: Peoria, AZ, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ogallala Medical Group
EIN 470767637 · Headquarters: PHOENIX, AZ, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oge Scholarship Fund Inc
EIN 463561605 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Ogilvy Family Foundation C/o Baker Tilly Advisory Group Lp
EIN 266056808 · Headquarters: SCOTTSDALE, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oh My Ears
EIN 320729109 · Headquarters: Phoenix, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio Building Owners and Managers Assn
EIN 311167551 · Headquarters: Mesa, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio State University Alumni Association Inc
EIN 311484766 · Headquarters: Sun Lakes, AZ, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Ohio State University Alumni Association Inc
EIN 860689854 · Headquarters: Oro Valley, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohl-parent Teacher Organization
EIN 881360527 · Headquarters: Phoenix, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohv Veterans of Arizona
EIN 994341579 · Headquarters: TONOPAH, AZ, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oi Football Booster Club Inc
EIN 831024044 · Headquarters: Buckeye, AZ, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oils for Orphans
EIN 473364707 · Headquarters: Ash Fork, AZ, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ojb Fc
EIN 861198338 · Headquarters: Prescott, AZ, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Okemah Community Historical
EIN 352681408 · Headquarters: Chandler, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Okra Network
EIN 873700650 · Headquarters: GOODYEAR, AZ, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oktoberfest Charities
EIN 455382964 · Headquarters: Tucson, AZ, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990
- Olami Arizona Inc
EIN 934825758 · Headquarters: SCOTTSDALE, AZ, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Arizona Brass Band
EIN 860983503 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Bisbee Firewise
EIN 833972846 · Headquarters: Bisbee, AZ, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Old Concho Community Assistance Cen
EIN 860907044 · Headquarters: CONCHO, AZ, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Old Concho Water Users Corporation
EIN 271225460 · Headquarters: Concho, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Congress Days Inc
EIN 262306238 · Headquarters: Congress, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Old Dog Sanctuary of Arizona
EIN 833447964 · Headquarters: Glendale, AZ, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Fort Lowell NBHD Assoc Inc
EIN 860460097 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Ft Lowell Live at Home Program
EIN 860880446 · Headquarters: TUCSON, AZ, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old Guard Riders Phoenix
EIN 461637023 · Headquarters: Phoenix, AZ, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Old Littlefield School House Association
EIN 461846562 · Headquarters: Littlefield, AZ, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pearce Preservation Association
EIN 262731630 · Headquarters: Pearce, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Old Pearce Preservation Association
EIN 300737604 · Headquarters: Pearce, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pueblo Archaeology Center
EIN 860750306 · Headquarters: TUCSON, AZ, USA · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Old Pueblo Brass Band Inc
EIN 922537329 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pueblo Chapter 32-2
EIN 843402421 · Headquarters: Sahuarita, AZ, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Pueblo Chapter 53 Aspe
EIN 860591338 · Headquarters: Tucson, AZ, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Old Pueblo Civitan Foundation
EIN 860725712 · Headquarters: Tucson, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Pueblo Community Services
EIN 860836556 · Headquarters: Tucson, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Old Pueblo Dog Training Club Inc
EIN 866052589 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pueblo Firefighters Association
EIN 731665769 · Headquarters: TUCSON, AZ, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Pueblo Housing Development Inc
EIN 455030279 · Headquarters: Tucson, AZ, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Pueblo Knitters
EIN 320256089 · Headquarters: TUCSON, AZ, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pueblo Lapidary Club Inc
EIN 860274766 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old Pueblo Playwrights
EIN 860668756 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Pueblo Riders
EIN 200850142 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pueblo Rugby Football Charities Inc
EIN 464677971 · Headquarters: TUCSON, AZ, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Pueblo Square Wheelers Chapter 145
EIN 943470696 · Headquarters: Green Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Old Pueblo Touring Association
EIN 860934423 · Headquarters: Tucson, AZ, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Old Pueblo Trolley
EIN 942937689 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Old Pueblo Womens Club
EIN 863955626 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old School Boxing Youth Foundation
EIN 833677750 · Headquarters: PHOENIX, AZ, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Old Scottsdale Baseball Inc
EIN 462595381 · Headquarters: Scottsdale, AZ, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Old Scottsdale Merchants Association Inc
EIN 510209852 · Headquarters: Mesa, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Scottsdale Youth Baseball Inc
EIN 200686576 · Headquarters: Scottsdale, AZ, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Old Souls Animal Rescue and Retirement Home Inc
EIN 272806988 · Headquarters: Tucson, AZ, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Spanish Trail Association
EIN 711019861 · Headquarters: Page, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Old Town Association
EIN 860723220 · Headquarters: Cottonwood, AZ, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old Town Mission Inc
EIN 860667052 · Headquarters: Cottonwood, AZ, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990