Nonprofits in Longmont, Colorado
Nonprofits in Longmont, Colorado. Browse 790 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
- Magic Classrooms
EIN 472233483 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Manhattan Girls Chorus Inc
EIN 453979268 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mark Woodings Education Foundation
EIN 760654326 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mary C Molloy Scholarship Fund
EIN 846214213 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Masonic Temple Board of Trustees Inc
EIN 841012926 · Headquarters: LONGMONT, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Matchsticks Bassoon Quartet
EIN 412455607 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mcginn Ditch Company
EIN 203908433 · Headquarters: Longmont, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mckay Lateral Ditch Company
EIN 840446432 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mead High School Education Foundation
EIN 810781454 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mead Mavericks Boosters Inc
EIN 272032947 · Headquarters: Longmont, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Mead Rotary Foundation Inc
EIN 800479025 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Medical Access Management
EIN 994765087 · Headquarters: Longmont, CO, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Medicine Horse Program
EIN 841558664 · Headquarters: Longmont, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990
- Melanoma Militia
EIN 264218342 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Melendez Foundation
EIN 823505975 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mighty Yak Foundation
EIN 474192634 · Headquarters: Longmont, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mile High Weimaraner Club Inc
EIN 900604315 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mission Driven Strategy DBA Brokenhealthcareorg
EIN 473262189 · Headquarters: Longmont, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Moms Club
EIN 562520011 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Moms Club
EIN 841590153 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Morgan County Homeschool Network
EIN 883413054 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mountain States Children's Home
EIN 840516736 · Headquarters: Longmont, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mountain View Elementary Pto
EIN 841323517 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Mountain View Fire Rescue Foundation
EIN 263337164 · Headquarters: LONGMONT, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Music First
EIN 922072867 · Headquarters: longmont, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mwebaza Foundation Inc
EIN 262254563 · Headquarters: Longmont, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- My Baby Angel Foundation
EIN 270591544 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Nagasenas Chariot
EIN 392866921 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Air Traffic Controllers Association
EIN 841109858 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Assoc of Letter Carriers
EIN 846036011 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Association of Insurance Women
EIN 846060045 · Headquarters: Longmont, CO, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- National Council of Teachers of English
EIN 911912196 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- National English Springer Spaniel Field Trial Association
EIN 260466766 · Headquarters: Longmont, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Intercollegiate Soccer Officials Association Incorporated
EIN 841033530 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 261617611 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 846036229 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 846036670 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Native American Climate Action Foundation
EIN 993581441 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Natural Capitalism Solutions Inc
EIN 141901877 · Headquarters: Longmont, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nature Heals
EIN 814028612 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Navy Seabee Veterans of America
EIN 870759365 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- New Beginnings 12 Step Meeting Place
EIN 473136586 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Consolidated Lower Boulder Reservoir
EIN 841337329 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- New Earth Sanctuary
EIN 851888133 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Hinman Ditch Company
EIN 840840647 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nissan Off Road Association of Colorado
EIN 464519488 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Niwot Baseball Inc
EIN 840845710 · Headquarters: LONGMONT, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Niwot Softball Inc
EIN 470943974 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Nonprofit Corporation for Archery in Colorado
EIN 832791146 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- North American Buffalo Range
EIN 911586820 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- North Tollgate Ditch Company
EIN 300238004 · Headquarters: Longmont, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northern Colorado Caledonia Pipe Band
EIN 840931016 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- 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 Weavers Guild Inc
EIN 841120110 · Headquarters: Longmont, CO, US · Mutual & Membership Benefit · Latest available filing year: 2024 · 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
- Old City
EIN 470968138 · Headquarters: Longmont, CO, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- 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 Mcdonald Barnyard Rescue
EIN 208287141 · Headquarters: Longmont, CO, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oligarchy Extension Ditch Company
EIN 846036249 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Space Protection Alliance
EIN 853701204 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opportunity Tree
EIN 453714671 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Optimist International
EIN 364120128 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Optimist International
EIN 742158736 · Headquarters: longmont, CO, US · Youth Development · Latest available filing year: 2014 · 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
- Ordinary Time Ministry
EIN 881203365 · Headquarters: LONGMONT, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orley and Sheila Paxton Foundation
EIN 412054636 · Headquarters: LONGMONT, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Outreach United Resource Center Inc
EIN 742448346 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oweesta Corporation
EIN 541970097 · Headquarters: LONGMONT, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Paid in Full Ministries Inc
EIN 841277836 · Headquarters: LONGMONT, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paradigm Nouveau Foundation
EIN 272983937 · Headquarters: LONGMONT, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Paragon Service Dogs
EIN 840779444 · Headquarters: LONGMONT, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parent Advisory Council of Sunset Middle School
EIN 841286712 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parent Association for Sanborn Students
EIN 841110334 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parents Families and Friends of Lesbians and Gays Inc
EIN 841248718 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Partners of Boulder County Inc
EIN 742486202 · Headquarters: Longmont, CO, USA · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Pathfinders Counseling Inc
EIN 863216207 · Headquarters: Longmont, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Patriot Boot Camp C/o Sherri Rice
EIN 472000389 · Headquarters: LONGMONT, CO, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990
- Paul Varghese Ministries Inc
EIN 272426258 · Headquarters: Longmont, CO, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Pause Animal Wellness Sanctuary
EIN 332860450 · Headquarters: Longmont, CO, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paws for Responsibility
EIN 841179611 · Headquarters: LONGMONT, CO, US · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Pcdc Boosters Inc
EIN 472605968 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Peaceworks Dupna
EIN 371498443 · Headquarters: LONGMONT, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Peak Research Institute Longmont
EIN 475645304 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pennock Lateral Ditch Company
EIN 331212396 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Peopleweaver Inc
EIN 270641994 · Headquarters: Longmont, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ph Balance Cares
EIN 851329534 · Headquarters: Longmont, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Philanthropiece Foundation
EIN 841440983 · Headquarters: LONGMONT, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Pine Acres Road Association
EIN 841100504 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pioneer Education Africa Inc
EIN 471568336 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Playa Lakes Joint Venture
EIN 841623284 · Headquarters: Longmont, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Plumb and Dailey Ditch Company
EIN 840293625 · Headquarters: Longmont, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Posibilidad Inc
EIN 464068775 · Headquarters: Longmont, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- Postures for Peace
EIN 883489794 · Headquarters: Longmont, CO, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Prabhupada Research Institute For Integrative Medicine
EIN 825103501 · Headquarters: Longmont, CO, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Prairie Church Cemetery
EIN 821718341 · Headquarters: LONGMONT, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Project Warm-up of Northern Colorado
EIN 843222830 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Prospect Sound Bites
EIN 814675084 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Protect Our Mother Inc
EIN 814664272 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Protect Rural Gunbarrel Inc
EIN 991111277 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Proud Collective
EIN 334358544 · Headquarters: Longmont, CO, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N