| West Lafayette Go Greener Foundation IncWest Lafayette | Form 990-N | No figure |
| Westfield Green Together IncWestfield | Form 990-N | No figure |
| Knox County CismaVincennes | Form 990-N | No figure |
| Jefferson Street Park IncNashville | Form 990-N | No figure |
| Preserve Indiana TrailsPaoli | Form 990-N | No figure |
| Indy Beta IncIndianapolis | Form 990-N | No figure |
| Friends of Lieber SraCloverdale | Form 990-N | No figure |
| Streets of Monticello Association IncMonticello | Form 990-N | No figure |
| Southwestern Indiana Citizens for Quality of LifeSanta Claus | Form 990-N | No figure |
| Our World of Wildlife IncPortage | Form 990-N | No figure |
| Private Water Natural Resources Association IncRussiaville | Form 990-N | No figure |
| Rangeline Conservation Club IncClinton | Form 990-N | No figure |
| Guardians of the Garden Master Gardeners IncWashington | Form 990-N | No figure |
| Fish & Royer Lakes Association IncLagrange | Form 990-N | No figure |
| Wild Boyz Photography IncBrownsburg | Form 990-N | No figure |
| Friends of Mississinewa Lake IncPeru | Form 990-N | No figure |
| Eci Community Development CorporationMuncie | Form 990-N | No figure |
| Quiet Parks InternationalValparaiso | Form 990-N | No figure |
| Greenfield Conservation Club IncGreenfield | Form 990-N | No figure |
| 3OE Foundation IncCarmel | Form 990-N | No figure |
| Friends of Pokagon IncAngola | Form 990-N | No figure |
| 12 Points Revitalization Initiative IncTerre Haute | Form 990-N | No figure |
| Sargent Road Association Foundation IncIndianapolis | Form 990-N | No figure |
| Marshall County Conservation Club CoPlymouth | Form 990-N | No figure |
| Fox Lake Preservation FoundationAngola | Form 990-N | No figure |
| Solarize Indiana IncIndianapolis | Form 990-N | No figure |
| Indiana Phenology CoCarmel | Form 990-N | No figure |
| Friends of Falls Park IncPendleton | Form 990-N | No figure |
| San Pierre Parks & Recreation SocietySan Pierre | Form 990-N | No figure |
| Kings and Riches Equestrian Team IncCrown Point | Form 990-N | No figure |
| Family Earthday CelebrationFountain City | Form 990-N | No figure |
| Conservation Easement Holding Trust IncValparaiso | Form 990-N | No figure |
| Elkhart Dahlia Society IncElkhart | Form 990-N | No figure |
| Friends of Blue Grass Fwa IncEvansville | Form 990-N | No figure |
| South Chain Szmanda Lake AssociationSouth Bend | Form 990-N | No figure |
| Brown Faces Green Spaces IncGary | Form 990-N | No figure |
| Traders Point Environmental Renewal IncIndianapolis | Form 990-N | No figure |
| Southern Indiana Trailways IncBedford | Form 990-N | No figure |
| Harrison County Native Habitat Alliance IncCorydon | Form 990-N | No figure |
| Kosciusko Water & Woodland Invasive PartnershipNorth Webster | Form 990-N | No figure |
| Eagle Island Channel Restoration Association IncRome City | Form 990-N | No figure |
| Bloomington Indiana GrottoBloomington | Form 990-N | No figure |
| Upper St Joe River Rats IncElkhart | Form 990-N | No figure |
| Raising FundsFort Wayne | Form 990-N | No figure |
| Friends of Marott Woods Nature PreserveIndianapolis | Form 990-N | No figure |
| Carmel Cleanup CrewCarmel | Form 990-N | No figure |
| Trees Indiana IncFort Wayne | Form 990-N | No figure |
| Eci Economic Development Alliance IncMuncie | Form 990-N | No figure |
| Monroe County - Identify and Reduce Invasive Species IncEllettsville | Form 990-N | No figure |
| Indiana Climbers Coalition IncBloomington | Form 990-N | No figure |