Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Caribbean Coral Restoration CenterLyons | Form 990-EZ | $95,619FY2025 |
| Big Dry Creek Watershed AssociationBroomfield | Form 990-EZ | $92,098FY2025 |
| Save the Poudre - Poudre WatekeeperBoulder | Form 990-EZ | $90,609FY2024 |
| Wild Connections IncColorado Springs | Form 990-EZ | $89,185FY2024 |
| Gold Belt Tour Scenic and Historic Byway Association IncGuffey | Form 990-EZ | $87,674FY2025 |
| Sangre Dechristo Acequia AssociationSan Luis | Form 990-EZ | $85,887FY2025 |
| Top of the Pines IncRidgway | Form 990-EZ | $85,374FY2025 |
| Colorado Wastewater Utility CouncilLittleton | Form 990-EZ | $85,195FY2025 |
| Living with Harmony IncBoulder | Form 990 | $82,617FY2025 |
| Full Circle Expeditions IncCortez | Form 990-EZ | $81,724FY2024 |
| Ecuadorian Rivers InstituteBasalt | Form 990-EZ | $80,265FY2024 |
| Environmental Action Research Center IncDenver | Form 990-EZ | $79,399FY2025 |
| Colorado Wild Public Lands IncBasalt | Form 990-EZ | $78,646FY2024 |
| 1 Percent for Open Space IncCrested Butte | Form 990-EZ | $76,303FY2024 |
| Climate Accountability InstituteSnowmass | Form 990-EZ | $75,399FY2025 |
| Coal Creek Watershed CoalitionCrested Butte | Form 990-EZ | $75,159FY2025 |
| Cohvco Access FundThornton | Form 990-EZ | $74,797FY2024 |
| Richards Rubbish RoundupColorado Springs | Form 990-EZ | $74,285FY2024 |
| Terra Firma Rainwater CollectiveCarbondale | Form 990-EZ | $73,386FY2025 |
| Two Rivers Wildfire CoalitionClifton | Form 990-EZ | $71,303FY2025 |
| East Grand Water Quality BoardFraser | Form 990-EZ | $69,860FY2024 |
| Wild Mountain Retreats IncNederland | Form 990-EZ | $68,668FY2024 |
| Sloans Lake Park FoundationDenver | Form 990-EZ | $65,647FY2025 |
| Sustainable GrandLouisville | Form 990-EZ | $63,421FY2025 |
| Purgatoire Apishapa & Comanche Grassland TRTrinidad | Form 990-EZ | $61,773FY2024 |
| Lyons Community Farm ProjectLyons | Form 990-EZ | $61,606FY2025 |
| Save the Worlds RiversBoulder | Form 990-EZ | $60,017FY2024 |
| Palmer Lake Restoration Project IncPalmer Lake | Form 990-EZ | $59,851FY2024 |
| Keep Colorado Beautiful 1876Fort Collins | Form 990-EZ | $58,194FY2025 |
| Regenerative Community Land TrustRollinsville | Form 990-EZ | $56,817FY2024 |
| Happiness ProjectGreenwood Village | Form 990-EZ | $54,986FY2024 |
| Cloud Ridge NaturalistsWard | Form 990-EZ | $54,855FY2024 |
| Trail Group IncOuray | Form 990-EZ | $54,653FY2025 |
| Grand Valley Audubon SocietyGrand Junction | Form 990-EZ | $54,413FY2025 |
| Poudre Wilderness VolunteersFort Collins | Form 990-EZ | $54,120FY2025 |
| Global Ecovillage Network-United StatesDenver | Form 990-EZ | $52,358FY2024 |
| Wet Mountain Valley OutdoorsWestcliffe | Form 990-EZ | $52,342FY2025 |
| Clean Energy ActionBoulder | Form 990-EZ | $52,186FY2025 |
| Neighborhood Rehab ProjectGolden | Form 990-EZ | $51,732FY2025 |
| Colorado Tree Coalition IncDenver | Form 990 | $51,636FY2024 |
| Friends of Staunton State ParkPine | Form 990-EZ | $50,223FY2025 |
| Pollinator Stewardship Council IncBerthoud | Form 990-N | No figure |
| Rangeland Living Laboratory IncGuffey | Form 990-N | No figure |
| Forever Our RiversGrand Junction | Form 990-N | No figure |
| Open Water FoundationSeverance | Form 990-N | No figure |
| Arkansas River Conservation CooperativeSalida | Form 990-N | No figure |
| Arei IncAspen | Form 990-N | No figure |
| The Broadmoor Garden ClubColorado Springs | Form 990-N | No figure |
| Barr Lake and Milton Reservoir Watershed AssociationDenver | Form 990-N | No figure |
| Unity Water FoundationLakewood | Form 990-N | No figure |
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