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
- Northern Colorado Springer Spaniel Club
EIN 880590903 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Northern Colorado Trail Riders
EIN 841303732 · Headquarters: FORT COLLINS, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Northern Colorado Uniserv Unit
EIN 840616190 · Headquarters: GREELEY, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Northern Colorado Unit 363 Inc
EIN 342031494 · Headquarters: Timnath, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Northern Colorado Water Association
EIN 840533759 · Headquarters: Wellington, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Northern Colorado Youth Hockey
EIN 841033744 · Headquarters: FORT COLLINS, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Northerners Senior Citizens Assn Inc
EIN 840705566 · Headquarters: LA JARA, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northglenn Chapt No 644 Women of the Moose
EIN 841023278 · Headquarters: Northglenn, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Northglenn Elks Lodge #2438 Benevolent Order of the Elks of USA
EIN 840601069 · Headquarters: Northglenn, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Northglenn Moose Lodge 2166 Loyal Order of Moose
EIN 840672798 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Northglenn Police Benevolence Fund
EIN 473788034 · Headquarters: Northglenn, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northridge Elementary Pta
EIN 901112663 · Headquarters: HIGHLANDS RANCH, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Northwest Family Assistance Center
EIN 742543251 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Norwegian Fjord Horse Registry
EIN 222805966 · Headquarters: BERTHOUD, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Not 1 More Acre
EIN 208302689 · Headquarters: TRINIDAD, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Not Now Colorado
EIN 851734513 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Not This Day Incorporated
EIN 834711455 · Headquarters: Salida, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nourishing Word Ministries
EIN 273857725 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Novea Ministries
EIN 931049687 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Novo Kolo Tamburica Federation Inc
EIN 840700133 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nrotc Club at University of Colorado Inc
EIN 453370915 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Numbers 3 Outlet Ditch Co
EIN 840363533 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nunn Auxiliary
EIN 845028494 · Headquarters: Nunn, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Nwc Veteran Support Service
EIN 844293382 · Headquarters: CRAIG, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oak River Retreat Inc
EIN 880769699 · Headquarters: Peyton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakbrook Homeowners Association
EIN 841077751 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Obesity Medicine Association
EIN 840607207 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Occupational Therapy Association of Colorado
EIN 840723925 · Headquarters: CENTENNIAL, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oceana Senior Housing Corporation
EIN 943167825 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oceanic Invertebrate Research Institute
EIN 871773434 · Headquarters: Lone Tree, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oceans Ministries
EIN 473398323 · Headquarters: PARKER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Octogenarian Golf Cos
EIN 821423128 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odyssey PTA
EIN 993163884 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Off the Front Cycling
EIN 453970449 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ohio State Alumni Association Inc
EIN 931564728 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ohio State University Club of Denver Inc
EIN 841239291 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohs 2004 Reunion Committee
EIN 465613692 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Old Colorado City Associates LTD
EIN 840885334 · Headquarters: Colorado Springs, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Old Mcdonald Barnyard Animal Rescue
EIN 814203491 · Headquarters: longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Old Orchard Estates Homeowners Association
EIN 462284480 · Headquarters: GRAND JUNCTION, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Old School Industries Racing Inc
EIN 813750669 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oligarchy Extension Ditch Company
EIN 846036249 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olin Housing Corporation
EIN 840885668 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Omega Psi Phi Franternity
EIN 852131440 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Omega Zeta Chapter Chi Sigma Iota International Honor Society
EIN 470967671 · Headquarters: MEAD, CO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Omni Institute
EIN 841307563 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Once a Man Twice a Child
EIN 383848247 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- One 2 One Esl Tutors
EIN 811691280 · Headquarters: Eaton, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- One Ear Out
EIN 824540605 · Headquarters: Thornton, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Jump Ahead
EIN 461482285 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Plan Makes Sense Inc
EIN 273834624 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- One Salida Inc
EIN 823453864 · Headquarters: SALIDA, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Sky One World
EIN 742503040 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- One Slice at a Time Ministries Inc
EIN 922510055 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Spark Denver
EIN 471259710 · Headquarters: Parker, CO, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- One Thirteen Credit Union
EIN 840685552 · Headquarters: COLORADO SPRINGS, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- One Touch Ministries
EIN 274378276 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- One True Church
EIN 833663717 · Headquarters: Highlands Ranch, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Voice of Kawthoolei
EIN 932417176 · Headquarters: Aurora, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Onward Colorado
EIN 274482998 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oops Learning Inc
EIN 843524989 · Headquarters: Berthoud, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Boulder
EIN 471061512 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Media Foundation
EIN 061727461 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Source Citizen Control of Colorado
EIN 474082607 · Headquarters: Eagle, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opencolorado
EIN 273410645 · Headquarters: LITTLETON, CO, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Operating Engineers HW Fund for Colorado Trust Fund for Colorado
EIN 237036156 · Headquarters: Arvada, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Birthday Incorporated
EIN 870863177 · Headquarters: Louisville, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Game Thief Inc
EIN 742188212 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Operation Harvest Inc
EIN 270026907 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Uplift
EIN 752122638 · Headquarters: WESTCLIFFE, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operative Plasterers & Cement Masons Health & Welfare Fund
EIN 866056125 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operative Plasterers & Cement Masons Local Union No 577
EIN 840164377 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Optical Society of America Student Chapter at Cu Boulder
EIN 464933784 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist Club of Wheat Ridge
EIN 846035965 · Headquarters: Lakewood, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Optimist International
EIN 237007772 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 237152527 · Headquarters: Golden, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 237281163 · Headquarters: Windsor, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 510192523 · Headquarters: Lafayette, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 510212894 · Headquarters: wheat ridge, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 510218877 · Headquarters: Fort Morgan, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 510219158 · Headquarters: GREELEY, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Optimist International
EIN 611427119 · Headquarters: Centennial, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist International
EIN 742302745 · Headquarters: Fort Lupton, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Optimist International
EIN 812299650 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist International
EIN 824956434 · Headquarters: Westminster, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Optimist International
EIN 840765483 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 841096021 · Headquarters: Arvada, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Optimist International
EIN 841111489 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 841209435 · Headquarters: Erie, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Optimist International
EIN 841239854 · Headquarters: AURORA, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 841269821 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 841444495 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist International
EIN 846025392 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 846025656 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 846036712 · Headquarters: Fort Morgan, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist International
EIN 846036714 · Headquarters: morrison, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 846037700 · Headquarters: Littleton, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Optimist International
EIN 846037824 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Optimist International
EIN 846038385 · Headquarters: Pueblo, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 846060405 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N