Unknown & Unclassified nonprofits in Colorado
Unknown & Unclassified nonprofits in Colorado. Browse 9,996 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
- Arapahoe Credit Union
EIN 840476152 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arapahoe Feeder Sports Inc
EIN 721547116 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Arapahoe Rescue Patrol Inc
EIN 846038441 · Headquarters: Centennial, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Arapahoe Santa Claus Shop Inc
EIN 237177636 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arapahoe Seniors
EIN 934519100 · Headquarters: PARKER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Arapahoe Sertoma Foundation
EIN 742494398 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Arapahoe Tennis Club
EIN 840530761 · Headquarters: LITTLETON, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Arapahoe Youth League
EIN 510160095 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arapahoe-Douglas-Elbert Medical Society
EIN 840527862 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Arc of Denver Inc
EIN 840614525 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Archbishop Fulton J Sheen Knights of Columbus Council 7502
EIN 840821559 · Headquarters: WESTMINSTER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Archdiocesan Family Housing Inc
EIN 841349027 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Architect Youth Grappling Foundation
EIN 862778377 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Archuleta County Board of Realtors Inc
EIN 840855364 · Headquarters: PAGOSA SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Archuleta County Education Center Inc
EIN 841127328 · Headquarters: PAGOSA SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Archuleta County Hot Shots 4-H Club
EIN 332859380 · Headquarters: Pagosa Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arent Charitable Foundation
EIN 526037322 · Headquarters: ENGLEWOOD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Aristocrat Ranchette Water Project Inc
EIN 840690646 · Headquarters: FORT LUPTON, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arizona and New Mexico Medical Group Management Association
EIN 331306207 · Headquarters: ENGLEWOOD, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ark Valley Bandits
EIN 454759566 · Headquarters: Rocky Ford, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ark Valley Tpusa Ltd
EIN 413024331 · Headquarters: Buena Vista, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arkansas River R V Club
EIN 364768331 · Headquarters: Pueblo West, CO, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Arkansas Valley Car Club Inc
EIN 371603363 · Headquarters: Twin Lakes, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Arkansas Valley Dental Society
EIN 272643085 · Headquarters: Greenwood Village, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arkansas Valley Ditch Association
EIN 840007810 · Headquarters: Rocky Ford, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arkansas Valley Exposition & Fair Association
EIN 840386171 · Headquarters: ROCKY FORD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arkansas Valley Resource Center Inc
EIN 841066741 · Headquarters: LA JUNTA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Arkosian Foundation Inc
EIN 463425306 · Headquarters: Peyton, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Armchair Samaritan DBA American Samaritan
EIN 814443551 · Headquarters: Lakewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Armed Forces Optometric Foundation
EIN 844884719 · Headquarters: Broomfield, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Armed Forces Optometric Society
EIN 521034119 · Headquarters: Broomfield, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Armenians of Colorado
EIN 840890348 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Arnold Air Society - Silver Wings
EIN 900507726 · Headquarters: USAF Academy, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arnold Air Society-silver Wings
EIN 846036976 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arnold Air Society-silver Wings
EIN 846059946 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arriola Group Pipeline Co
EIN 992043853 · Headquarters: Cortez, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arrival USA
EIN 814911265 · Headquarters: Thornton, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Arrupe Corporate Work Study Program
EIN 460508814 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arrupe Jesuit High School
EIN 020628872 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-T
- Ars Nova Chamber Singers Inc Dba Ars Nova Singers
EIN 742432182 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arsenault Foundation
EIN 741900413 · Headquarters: Littleton, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Art Center of Estes Park
EIN 742504613 · Headquarters: Estes Park, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Art Libraries Society of North America
EIN 860614677 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Art Students League of Denver
EIN 841042289 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Artevel Foundation
EIN 956136405 · Headquarters: JOHNSTON, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Arthur Irrigation Company
EIN 840008531 · Headquarters: Delta, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Aruka Life Foundation
EIN 922677189 · Headquarters: Westcliffe, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Arvada Area Horsemens Association
EIN 474818173 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arvada Associated Modelers
EIN 510145709 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arvada Cemetery Association
EIN 840455829 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arvada Chamber of Commerce
EIN 840422091 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arvada Economic Development Association
EIN 841070053 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Arvada Girls Softball Association
EIN 237029382 · Headquarters: Arvada, CO, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Arvada Historical Society
EIN 237309859 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Arvada Hockey Association
EIN 237122399 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arvada Knights Charities
EIN 202082399 · Headquarters: ARVADA, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Arvada Outlaws Midget Football
EIN 452404760 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Arvada Sunrise Rotary Club Foundation
EIN 841236311 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arvada Vfw Post 4331
EIN 841059000 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Arvada Voices
EIN 412486771 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Arvada Youth Football Association Inc
EIN 237432400 · Headquarters: ARVADA, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Arvae Systems Business Development
EIN 473465633 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- As Dorminy Cemetery Tr
EIN 586301757 · Headquarters: Monument, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Asbury Korean United Methodist Chur
EIN 453059821 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Ascent Wrestling Academy
EIN 394943320 · Headquarters: CENTENNIAL, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ascls-Colorado
EIN 237211856 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ash Foundation Inc
EIN 922509461 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Asher House
EIN 923479952 · Headquarters: Berthoud, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Asian Chamber of Commerce
EIN 840951134 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Asian Roundtable of Colorado
EIN 900453010 · Headquarters: Englewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Asis International Inc
EIN 510249014 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Asis International Inc
EIN 510249018 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Asis International Inc
EIN 522202442 · Headquarters: Broomfield, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ask a Bishop
EIN 462494610 · Headquarters: Centennial, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aspen Bicycle Club
EIN 934519252 · Headquarters: aspen, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Aspen Board of Realtors Inc
EIN 840700334 · Headquarters: BASALT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aspen Business Center Foundation
EIN 841042661 · Headquarters: ASPEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Aspen Center for Physics
EIN 846059504 · Headquarters: ASPEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aspen Chamber Resort Association Inc
EIN 840660680 · Headquarters: ASPEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Aspen Corneal Society
EIN 942949626 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Aspen Cycling Club Inc
EIN 841195506 · Headquarters: Aspen, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Aspen Grove Cemetery Association Inc
EIN 475034314 · Headquarters: Aspen, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Aspen Hall of Fame
EIN 841145209 · Headquarters: ASPEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Aspen Historical Society
EIN 846037756 · Headquarters: ASPEN, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aspen Jewish Center
EIN 840723135 · Headquarters: Aspen, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aspen Leaf Winnies
EIN 262602570 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Aspen Park Improvement Association
EIN 742131270 · Headquarters: CONIFER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Aspen Pitkin Employee Housing Inc
EIN 840815772 · Headquarters: CARBONDALE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Aspen Professional Ski Patrol Association Apspa
EIN 841048070 · Headquarters: Carbondale, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Aspen Ridge 4-H Club
EIN 992279216 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Aspen Snowmass Nordic Council Inc
EIN 840957449 · Headquarters: Aspen, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Aspen Winter Music
EIN 274346962 · Headquarters: Aspen, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Aspenites for Responsible Land Use Policy
EIN 874134587 · Headquarters: ASPEN, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Aspire Club Inc
EIN 271141393 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Assent Opportunities Development Division 2A
EIN 853353187 · Headquarters: Buena Vista, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Assisi Homes - Constitution House Inc
EIN 364049150 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Assisi Homes - Kenosha Inc
EIN 391814815 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Assisi Homes of Illinois Inc
EIN 363803443 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Assoc for Women Geosci
EIN 942514192 · Headquarters: Northglenn, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Assoc of Deans and Directors of University Colleges and Undergrad Studies
EIN 462285411 · Headquarters: Parker, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N