| The Cayton Rangers Station FoundationRifle | Form 990-N | No figure |
| Sustainable Tourism on VashonDenver | Form 990-N | No figure |
| Keep Pueblo Beautiful AssociationPueblo | Form 990-N | No figure |
| Colorado Section of the Society for Range ManagementFort Collins | Form 990-N | No figure |
| Friends of Browns CanyonSalida | Form 990-N | No figure |
| Friends of the River Uncompahgre ForuMontrose | Form 990-N | No figure |
| San Juan Backcountry HorsemenPagosa Springs | Form 990-N | No figure |
| Sustainable Development Strategies GroupDenver | Form 990-N | No figure |
| TechneLouisville | Form 990-N | No figure |
| Sustainable Ways IncWestcliffe | Form 990-N | No figure |
| Center for Environmental Science Accuracy & ReliabilityNederland | Form 990-N | No figure |
| Weminuche Audubon SocietyPagosa Springs | Form 990-N | No figure |
| Rocky Mountain Green Future FoundationLoveland | Form 990-N | No figure |
| Northern Colorado Climbers CoalitionFort Collins | Form 990-N | No figure |
| Atmosphere ConservancyFort Collins | Form 990-N | No figure |
| Envirofriendly FoundationLittleton | Form 990-N | No figure |
| Desert Ecosystem Analysis RestorationGrand Junction | Form 990-N | No figure |
| Four Corners Recycling InitiativeDolores | Form 990-N | No figure |
| Partners for Western ConservationDenver | Form 990-N | No figure |
| Mineral Footprint Network IncLakewood | Form 990-N | No figure |
| The Friends of Colorado State ParksDenver | Form 990-N | No figure |
| Areas - American Renewable Energy Advocates Society -Monument | Form 990-N | No figure |
| Sustainable Systems of ColoradoThornton | Form 990-N | No figure |
| Ridgway-Ouray Community CouncilRidgway | Form 990-N | No figure |
| Ocean GuardianFountain | Form 990-N | No figure |
| Southern Colorado Climbers Resource & Action Group - Soco CragPueblo West | Form 990-N | No figure |
| Rocky Mountain Bonsai SocietyDenver | Form 990-N | No figure |
| Community Counts Colorado IncRifle | Form 990-N | No figure |
| Hoe and Hope Garden Club IncLongmont | Form 990-N | No figure |
| Natural WandersGrand Junction | Form 990-N | No figure |
| Colorado Grotto IncDenver | Form 990-N | No figure |
| Littleton Crabapple Trail IncLittleton | Form 990-N | No figure |
| Focus on the ForestWoodland Park | Form 990-N | No figure |
| One Yard at a TimeDenver | Form 990-N | No figure |
| Ratepayers United of Colorado LLCLakewood | Form 990-N | No figure |
| Good Trouble Climate NetworkDurango | Form 990-N | No figure |
| Beat the BatchFort Collins | Form 990-N | No figure |
| Friends of 225Glenwood Springs | Form 990-N | No figure |
| One Ocean Worldwide Coalition CoColorado Springs | Form 990-N | No figure |
| Resaster IncArvada | Form 990-N | No figure |
| Tri-Lakes PreservationMonument | Form 990-N | No figure |
| Mountain Community CoalitionFlorissant | Form 990-N | No figure |
| Heart of the Rockies Back Country HorsemenSalida | Form 990-N | No figure |
| Lighthouse Reef Research Repository LimitedFort Collins | Form 990-N | No figure |
| Rowers for Healthy WatershedsDenver | Form 990-N | No figure |
| Acorn Nonprofit Capacity BuildingBoulder | Form 990-N | No figure |
| RetrocycleCentennial | Form 990-N | No figure |
| Wildland Ecology TechnologiesFort Collins | Form 990-N | No figure |
| Nurture Our WildernessLoveland | Form 990-N | No figure |
| Sacred ContractBoulder | Form 990-N | No figure |