| Hoosier Hikers Council IncMartinsville | Form 990-N | No figure |
| Indiana National Road Association IncIndianapolis | Form 990-N | No figure |
| Green Thumb Garden Club of Princeton IndianaPrinceton | Form 990-N | No figure |
| Cedar Lake Enhancement Association IncCedar Lake | Form 990-N | No figure |
| Cicero Friends of the Park IncCicero | Form 990-N | No figure |
| Laporte County Conservation Trust IncValparaiso | Form 990-N | No figure |
| Michiana Master Gardeners Association IncGoshen | Form 990-N | No figure |
| Southern Indiana Daylily Hosta Daffodil & Iris SocietyBloomington | Form 990-N | No figure |
| Herb Society of Central Indiana- Unit Herb Society of America IncIndianapolis | Form 990-N | No figure |
| Laporte County Master Gardener AssociationLa Porte | Form 990-N | No figure |
| Ohio River Scenic Route of Southern Indiana IncJeffersonville | Form 990-N | No figure |
| Huntington County Chapter of the Izaak Walton League of AmericaHuntington | Form 990-N | No figure |
| Miller Garden ClubGary | Form 990-N | No figure |
| Friends of Brown County State ParkNashville | Form 990-N | No figure |
| Bartholomew County Conservation Council IncColumbus | Form 990-N | No figure |
| Roanoke Beautification Foundation IncRoanoke | Form 990-N | No figure |
| Indian Creek Trail IncCorydon | Form 990-N | No figure |
| Tryon Farm InstituteMichigan City | Form 990-N | No figure |
| White River Watchers IncMarkleville | Form 990-N | No figure |
| Madison County Master Gardener Association IncAnderson | Form 990-N | No figure |
| Whitewater Valley Land Trust IncorporatedCenterville | Form 990-N | No figure |
| Calumet Heritage Partnership IncorporatedPorter | Form 990-N | No figure |
| Tulip Creek Nature Center IncLigonier | Form 990-N | No figure |
| Chapman Lakes Foundation IncWarsaw | Form 990-N | No figure |
| Trillium Land Conservancy IncElkhart | Form 990-N | No figure |
| Indiana Chapter of the Air & Waste Management Association IncMartinsville | Form 990-N | No figure |
| American Volkssport Association IncBrookville | Form 990-N | No figure |
| Live Free USAMunster | Form 990-N | No figure |
| Friends of the Eel River Trail IncColumbia City | Form 990-N | No figure |
| South Bend-Elkhart Bird Alliance IncMishawaka | Form 990-N | No figure |
| Moonsville Conservation Club IncAnderson | Form 990-N | No figure |
| Michiana Watershed IncorporatedSouth Bend | Form 990-N | No figure |
| Izaak Walton League of America IncLogansport | Form 990-N | No figure |
| Keep Stockwell Beautiful IncStockwell | Form 990-N | No figure |
| George Rogers Clark Land Trust IncCharlestown | Form 990-N | No figure |
| Friends of the St Joe RiverSouth Bend | Form 990-N | No figure |
| Beverly Shores Environmental Restoration GroupBeverly Shores | Form 990-N | No figure |
| Friends of Recycling IncPaoli | Form 990-N | No figure |
| Plastic Reduction Alliance IncorporatedChesterton | Form 990-N | No figure |
| Hoosier ConservancyAngola | Form 990-N | No figure |
| Great Lakes Habitat and Reforestation AllianceNew Haven | Form 990-N | No figure |
| Indiana Fury Fastpitch CorporationCamby | Form 990-N | No figure |
| Nineveh Heritage Committee IncNineveh | Form 990-N | No figure |
| National Road Heritage Trail IncPlainfield | Form 990-N | No figure |
| Tippecanoe Lake Trails IncLeesburg | Form 990-N | No figure |
| Benton County Conservation ClubOxford | Form 990-N | No figure |
| Lagrange County Lakes Council IncLagrange | Form 990-N | No figure |
| Miami County Master Gardener AssociationPeru | Form 990-N | No figure |
| Foundation for Sustainable FuturesLanesville | Form 990-N | No figure |
| Recyclemania IncMuncie | Form 990-N | No figure |