Nonprofits in Tucson, Arizona
Nonprofits in Tucson, Arizona. Browse 4,869 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
- One-on-one Mentoring Inc
EIN 860799063 · Headquarters: TUCSON, AZ, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Onward Childrens Charity
EIN 462684692 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Open Arms Loving Hearts Ministry
EIN 993063264 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Doors Community School
EIN 453089294 · Headquarters: TUCSON, AZ, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Open Genomes Foundation
EIN 462725903 · Headquarters: Tucson, AZ, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Heart Hope & Healing
EIN 990530054 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Inn Inc
EIN 860311899 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990
- Open Minds Foundation
EIN 474493457 · Headquarters: TUCSON, AZ, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Tucson
EIN 934049269 · Headquarters: Tucson, AZ, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opera Guild of Southern Arizona Inc
EIN 866052441 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Operation 22 - Ptsd Awareness
EIN 872316850 · Headquarters: TUCSON, AZ, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Eternal Freedom
EIN 460629871 · Headquarters: Tucson, AZ, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Resource Arizona
EIN 874306662 · Headquarters: Tucson, AZ, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Opportunity for a Better Life
EIN 990843884 · Headquarters: Tucson, AZ, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 364026280 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 460517111 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 860168203 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist International
EIN 860188258 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Optimist International
EIN 860214721 · Headquarters: tucson, AZ, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Optimist International
EIN 860528776 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Optimist International
EIN 861046585 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Optimist International
EIN 866052595 · Headquarters: TUCSON, AZ, US · Youth Development · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Optimist International
EIN 866056715 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 900214945 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Optimist International
EIN 900246427 · Headquarters: TUCSON, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Optimist International
EIN 900246839 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Optimist International
EIN 900246841 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Optimist International
EIN 900251383 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Optimist International
EIN 900505009 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 900590516 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Optimist International
EIN 900653513 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oracle Heights Recreation Association
EIN 237081238 · Headquarters: TUCSON, AZ, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Orange Grove Middle School Family Faculty Association
EIN 742421188 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orca Swim Team
EIN 262437763 · Headquarters: Tucson, AZ, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order Kafou
EIN 873628548 · Headquarters: Tucson, AZ, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Order of Amaranth Inc
EIN 237614213 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Amaranth Inc Supreme Council
EIN 237614209 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Arizon A
EIN 742551639 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Arizon A
EIN 860268038 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Arizona
EIN 237512444 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the Eastern Star of Arizona
EIN 237512450 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Order of the White Shrine of Jerusalem
EIN 237513737 · Headquarters: TUCSON, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Organelle Interface Publishing
EIN 333318218 · Headquarters: TUCSON, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organization of Chinese-americans Inc
EIN 274531444 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orientation and Mobility Specialist Association
EIN 832335208 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Origins Societyproject Origins
EIN 860681035 · Headquarters: TUCSON, AZ, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oro Valley Amateur Radio Club
EIN 274569966 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oro Valley Basketball Academy
EIN 834458470 · Headquarters: Tucson, AZ, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oro Valley Business Club
EIN 453190964 · Headquarters: TUCSON, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oro Valley Community Foundation
EIN 260476682 · Headquarters: TUCSON, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oro Valley Dolphins
EIN 860996585 · Headquarters: Tucson, AZ, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oro Valley Optimist Club Youth Services Fund
EIN 270378336 · Headquarters: TUCSON, AZ, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oro Valley Performing Arts Center
EIN 334012780 · Headquarters: Tucson, AZ, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oro Valley Veterans of Foreign Wars Post No 12222
EIN 923994114 · Headquarters: Tucson, AZ, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oro Valley Warriors Baseball
EIN 933297659 · Headquarters: tucson, AZ, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orphanage Ald International
EIN 462464964 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Ortho Pearls
EIN 872744309 · Headquarters: Tucson, AZ, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Orthodox Christian Fellowship University of Arizona Chapter
EIN 921463187 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osher Lifelong Learning Inst - U of Az
EIN 331096431 · Headquarters: Tucson, AZ, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Otis H Chidester Scout Museum of Southern Arizona
EIN 860712244 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Family Advocates Inc
EIN 993775022 · Headquarters: Tucson, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our Family Services Foundation Inc
EIN 311500859 · Headquarters: TUCSON, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Our Family Services Inc
EIN 942598560 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Growing Tree
EIN 393375771 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Lady Queen of All Saints Conference
EIN 471237587 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Our Safe Space Us
EIN 991850080 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ourshelters
EIN 800393480 · Headquarters: tucson, AZ, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outdoor Adventures for Wounded Veterans Inc
EIN 812693972 · Headquarters: Tucson, AZ, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Owins Friends
EIN 881981893 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Owl & Panther
EIN 813734234 · Headquarters: Tucson, AZ, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oyegbola Family Foundation
EIN 814728797 · Headquarters: TUCSON, AZ, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Pacc Partners Inc
EIN 270626112 · Headquarters: Tucson, AZ, US · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Pachart Foundation a Nonprofit Association
EIN 860491985 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Pacific Desert Rugby Conference
EIN 833017618 · Headquarters: TUCSON, AZ, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Pacific Mountain Network
EIN 840762393 · Headquarters: TUCSON, AZ, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- Pacific Southwest Technologist Chapter Inc
EIN 030445470 · Headquarters: TUCSON, AZ, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Paint-a-lele
EIN 851140445 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Palo Verde Alvernon Business District
EIN 202823182 · Headquarters: tucson, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Palo Verde Golden Retriever Club of Tucson
EIN 953382743 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Palo Verde Na
EIN 934265854 · Headquarters: TUCSON, AZ, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Pan American Literature Mission
EIN 866053838 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pan Asian Community Alliance Inc
EIN 860769598 · Headquarters: Tucson, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pan Left Productions
EIN 860762169 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Pantano Behavioral Health Services Inc
EIN 861027534 · Headquarters: TUCSON, AZ, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Pantano Rotary Club Foundation Inc
EIN 860937596 · Headquarters: TUCSON, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Paperworks the Sonoran Collective for Paper and Book Artists
EIN 861015757 · Headquarters: Tucson, AZ, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paradise Parrot Rescue Inc
EIN 850891482 · Headquarters: TUCSON, AZ, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parent Aid - Child Abuse Prevention Center
EIN 742591577 · Headquarters: Tucson, AZ, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parent Booster USA Inc
EIN 320412066 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 331864823 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 334389463 · Headquarters: Tucson, AZ, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 392588812 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 394002651 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 454705676 · Headquarters: TUCSON, AZ, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 454742826 · Headquarters: TUCSON, AZ, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 455196237 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 462096230 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 463144045 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 463448838 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Parent Booster USA Inc
EIN 474446152 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N